taxonID	type	format	identifier	references	title	description	created	creator	contributor	publisher	audience	source	license	rightsHolder	datasetID
F12B8A1C7E53FFBA139EFA5CFE0A908A.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/21839663/files/figure.png	https://doi.org/10.5281/zenodo.21839663	Fig. 5. Vetigastropoda Salvini-Plawen, 1980 from the Maastrichtian of the Paris Basin. A–D. Diodora sp. A. MNHN.F.A66743, MA, apical view of the imprint. B. MNHN.F.C02614, MA, apical view of the internal mould. C. Same specimen in lateral view. D. MNHN.F.C02608, MA, apical view. — E. Trochoidea indet. MNHN.F.A66745, MA, lateral view. — F.?Calliostoma monswavinarensis sp. nov., holotype MNHN.F.C02609, MA, lateral view. — G–K. Sparnollonia bicarinata gen. et sp. nov. G. Holotype MNHN.F. C02610, VGM, lateral view. H. Paratype MNHN.F.C02616, VGM, lateral view. I. Paratype MNHN.F.C02612, VGM, apertural view. J. Paratype MNHN.F.C02618, VGM, apertural view. K. Paratype MNHN.F.C02621, VGM, apical view. — L. Afrollonia nigeriensis Adegoke, 1977 for comparison, holotype UIMG 189, Ewekoro (Nigeria), Danian, apertural view. — M–O.?Tectus acmantensis sp. nov. M. Holotype MNHN.F.A66744, BE, lateral view. N. Paratype UPMC.PAL.2017.0.15.1a, BE, lateral view. O. Paratype UPMC.PAL.2017.0.15.1b, BE, lateral view. Localities: BE = Esmans (Bois d’Esmans); MA = Bergères-lès-Vertus (Mont Aimé); VGM = Vertus (Grand Mont). Scale bars: A–C, F = 10 mm; D, M–O = 5 mm; E = 2 mm; G–L = 3 mm; Credits: A–B, M, O = P. Loubry (MNHN/CNRS), C–K, N = L. Cazes (MNHN/CNRS).	Fig. 5. Vetigastropoda Salvini-Plawen, 1980 from the Maastrichtian of the Paris Basin. A–D. Diodora sp. A. MNHN.F.A66743, MA, apical view of the imprint. B. MNHN.F.C02614, MA, apical view of the internal mould. C. Same specimen in lateral view. D. MNHN.F.C02608, MA, apical view. — E. Trochoidea indet. MNHN.F.A66745, MA, lateral view. — F.?Calliostoma monswavinarensis sp. nov., holotype MNHN.F.C02609, MA, lateral view. — G–K. Sparnollonia bicarinata gen. et sp. nov. G. Holotype MNHN.F. C02610, VGM, lateral view. H. Paratype MNHN.F.C02616, VGM, lateral view. I. Paratype MNHN.F.C02612, VGM, apertural view. J. Paratype MNHN.F.C02618, VGM, apertural view. K. Paratype MNHN.F.C02621, VGM, apical view. — L. Afrollonia nigeriensis Adegoke, 1977 for comparison, holotype UIMG 189, Ewekoro (Nigeria), Danian, apertural view. — M–O.?Tectus acmantensis sp. nov. M. Holotype MNHN.F.A66744, BE, lateral view. N. Paratype UPMC.PAL.2017.0.15.1a, BE, lateral view. O. Paratype UPMC.PAL.2017.0.15.1b, BE, lateral view. Localities: BE = Esmans (Bois d’Esmans); MA = Bergères-lès-Vertus (Mont Aimé); VGM = Vertus (Grand Mont). Scale bars: A–C, F = 10 mm; D, M–O = 5 mm; E = 2 mm; G–L = 3 mm; Credits: A–B, M, O = P. Loubry (MNHN/CNRS), C–K, N = L. Cazes (MNHN/CNRS).	2026-08-07	Merle, Didier		Zenodo	biologists	Merle, Didier			
F12B8A1C7E52FFBC13E5FA99FB35929C.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/21839663/files/figure.png	https://doi.org/10.5281/zenodo.21839663	Fig. 5. Vetigastropoda Salvini-Plawen, 1980 from the Maastrichtian of the Paris Basin. A–D. Diodora sp. A. MNHN.F.A66743, MA, apical view of the imprint. B. MNHN.F.C02614, MA, apical view of the internal mould. C. Same specimen in lateral view. D. MNHN.F.C02608, MA, apical view. — E. Trochoidea indet. MNHN.F.A66745, MA, lateral view. — F.?Calliostoma monswavinarensis sp. nov., holotype MNHN.F.C02609, MA, lateral view. — G–K. Sparnollonia bicarinata gen. et sp. nov. G. Holotype MNHN.F. C02610, VGM, lateral view. H. Paratype MNHN.F.C02616, VGM, lateral view. I. Paratype MNHN.F.C02612, VGM, apertural view. J. Paratype MNHN.F.C02618, VGM, apertural view. K. Paratype MNHN.F.C02621, VGM, apical view. — L. Afrollonia nigeriensis Adegoke, 1977 for comparison, holotype UIMG 189, Ewekoro (Nigeria), Danian, apertural view. — M–O.?Tectus acmantensis sp. nov. M. Holotype MNHN.F.A66744, BE, lateral view. N. Paratype UPMC.PAL.2017.0.15.1a, BE, lateral view. O. Paratype UPMC.PAL.2017.0.15.1b, BE, lateral view. Localities: BE = Esmans (Bois d’Esmans); MA = Bergères-lès-Vertus (Mont Aimé); VGM = Vertus (Grand Mont). Scale bars: A–C, F = 10 mm; D, M–O = 5 mm; E = 2 mm; G–L = 3 mm; Credits: A–B, M, O = P. Loubry (MNHN/CNRS), C–K, N = L. Cazes (MNHN/CNRS).	Fig. 5. Vetigastropoda Salvini-Plawen, 1980 from the Maastrichtian of the Paris Basin. A–D. Diodora sp. A. MNHN.F.A66743, MA, apical view of the imprint. B. MNHN.F.C02614, MA, apical view of the internal mould. C. Same specimen in lateral view. D. MNHN.F.C02608, MA, apical view. — E. Trochoidea indet. MNHN.F.A66745, MA, lateral view. — F.?Calliostoma monswavinarensis sp. nov., holotype MNHN.F.C02609, MA, lateral view. — G–K. Sparnollonia bicarinata gen. et sp. nov. G. Holotype MNHN.F. C02610, VGM, lateral view. H. Paratype MNHN.F.C02616, VGM, lateral view. I. Paratype MNHN.F.C02612, VGM, apertural view. J. Paratype MNHN.F.C02618, VGM, apertural view. K. Paratype MNHN.F.C02621, VGM, apical view. — L. Afrollonia nigeriensis Adegoke, 1977 for comparison, holotype UIMG 189, Ewekoro (Nigeria), Danian, apertural view. — M–O.?Tectus acmantensis sp. nov. M. Holotype MNHN.F.A66744, BE, lateral view. N. Paratype UPMC.PAL.2017.0.15.1a, BE, lateral view. O. Paratype UPMC.PAL.2017.0.15.1b, BE, lateral view. Localities: BE = Esmans (Bois d’Esmans); MA = Bergères-lès-Vertus (Mont Aimé); VGM = Vertus (Grand Mont). Scale bars: A–C, F = 10 mm; D, M–O = 5 mm; E = 2 mm; G–L = 3 mm; Credits: A–B, M, O = P. Loubry (MNHN/CNRS), C–K, N = L. Cazes (MNHN/CNRS).	2026-08-07	Merle, Didier		Zenodo	biologists	Merle, Didier			
F12B8A1C7E54FFBF136CFC48FDBA9071.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/21839663/files/figure.png	https://doi.org/10.5281/zenodo.21839663	Fig. 5. Vetigastropoda Salvini-Plawen, 1980 from the Maastrichtian of the Paris Basin. A–D. Diodora sp. A. MNHN.F.A66743, MA, apical view of the imprint. B. MNHN.F.C02614, MA, apical view of the internal mould. C. Same specimen in lateral view. D. MNHN.F.C02608, MA, apical view. — E. Trochoidea indet. MNHN.F.A66745, MA, lateral view. — F.?Calliostoma monswavinarensis sp. nov., holotype MNHN.F.C02609, MA, lateral view. — G–K. Sparnollonia bicarinata gen. et sp. nov. G. Holotype MNHN.F. C02610, VGM, lateral view. H. Paratype MNHN.F.C02616, VGM, lateral view. I. Paratype MNHN.F.C02612, VGM, apertural view. J. Paratype MNHN.F.C02618, VGM, apertural view. K. Paratype MNHN.F.C02621, VGM, apical view. — L. Afrollonia nigeriensis Adegoke, 1977 for comparison, holotype UIMG 189, Ewekoro (Nigeria), Danian, apertural view. — M–O.?Tectus acmantensis sp. nov. M. Holotype MNHN.F.A66744, BE, lateral view. N. Paratype UPMC.PAL.2017.0.15.1a, BE, lateral view. O. Paratype UPMC.PAL.2017.0.15.1b, BE, lateral view. Localities: BE = Esmans (Bois d’Esmans); MA = Bergères-lès-Vertus (Mont Aimé); VGM = Vertus (Grand Mont). Scale bars: A–C, F = 10 mm; D, M–O = 5 mm; E = 2 mm; G–L = 3 mm; Credits: A–B, M, O = P. Loubry (MNHN/CNRS), C–K, N = L. Cazes (MNHN/CNRS).	Fig. 5. Vetigastropoda Salvini-Plawen, 1980 from the Maastrichtian of the Paris Basin. A–D. Diodora sp. A. MNHN.F.A66743, MA, apical view of the imprint. B. MNHN.F.C02614, MA, apical view of the internal mould. C. Same specimen in lateral view. D. MNHN.F.C02608, MA, apical view. — E. Trochoidea indet. MNHN.F.A66745, MA, lateral view. — F.?Calliostoma monswavinarensis sp. nov., holotype MNHN.F.C02609, MA, lateral view. — G–K. Sparnollonia bicarinata gen. et sp. nov. G. Holotype MNHN.F. C02610, VGM, lateral view. H. Paratype MNHN.F.C02616, VGM, lateral view. I. Paratype MNHN.F.C02612, VGM, apertural view. J. Paratype MNHN.F.C02618, VGM, apertural view. K. Paratype MNHN.F.C02621, VGM, apical view. — L. Afrollonia nigeriensis Adegoke, 1977 for comparison, holotype UIMG 189, Ewekoro (Nigeria), Danian, apertural view. — M–O.?Tectus acmantensis sp. nov. M. Holotype MNHN.F.A66744, BE, lateral view. N. Paratype UPMC.PAL.2017.0.15.1a, BE, lateral view. O. Paratype UPMC.PAL.2017.0.15.1b, BE, lateral view. Localities: BE = Esmans (Bois d’Esmans); MA = Bergères-lès-Vertus (Mont Aimé); VGM = Vertus (Grand Mont). Scale bars: A–C, F = 10 mm; D, M–O = 5 mm; E = 2 mm; G–L = 3 mm; Credits: A–B, M, O = P. Loubry (MNHN/CNRS), C–K, N = L. Cazes (MNHN/CNRS).	2026-08-07	Merle, Didier		Zenodo	biologists	Merle, Didier			
F12B8A1C7E54FFBF136CFC48FDBA9071.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/21839665/files/figure.png	https://doi.org/10.5281/zenodo.21839665	Fig. 6. Analysis of the spiral cords of the Vetigastropoda Salvini-Plawen, 1980 from the Maastrichtian of the Paris Basin. A–B.?Calliostoma monswavinarensis sp. nov. A. Holotype MNHN.F.C02609, MA, lateral view. B. Same specimen in profil view. — C–D. Sparnollonia bicarinata gen et sp. nov. C. Paratype MNHN.F.C02612, VGM, apertural view. D. Holotype MNHN.F.C02610, Vertus (Grand Mont), lateral view. — E–F. Afrollonia vilcassina Pacaud, 2017 for comparison. E. Holotype MNHN.F.R62758, Vigny (Bois des Roches), Val d’Oise, Paris Basin, Danian, lateral view. F. Paratype MNHN.F.R63259, same locality. Localities: MA = Bergères-lès-Vertus (Mont Aimé); VGM = Vertus (Grand Mont). Scale bars = 3 mm. Credits = L. Cazes (MNHN/CNRS).	Fig. 6. Analysis of the spiral cords of the Vetigastropoda Salvini-Plawen, 1980 from the Maastrichtian of the Paris Basin. A–B.?Calliostoma monswavinarensis sp. nov. A. Holotype MNHN.F.C02609, MA, lateral view. B. Same specimen in profil view. — C–D. Sparnollonia bicarinata gen et sp. nov. C. Paratype MNHN.F.C02612, VGM, apertural view. D. Holotype MNHN.F.C02610, Vertus (Grand Mont), lateral view. — E–F. Afrollonia vilcassina Pacaud, 2017 for comparison. E. Holotype MNHN.F.R62758, Vigny (Bois des Roches), Val d’Oise, Paris Basin, Danian, lateral view. F. Paratype MNHN.F.R63259, same locality. Localities: MA = Bergères-lès-Vertus (Mont Aimé); VGM = Vertus (Grand Mont). Scale bars = 3 mm. Credits = L. Cazes (MNHN/CNRS).	2026-08-07	Merle, Didier		Zenodo	biologists	Merle, Didier			
F12B8A1C7E57FFA01364F945FDBA9139.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/21839663/files/figure.png	https://doi.org/10.5281/zenodo.21839663	Fig. 5. Vetigastropoda Salvini-Plawen, 1980 from the Maastrichtian of the Paris Basin. A–D. Diodora sp. A. MNHN.F.A66743, MA, apical view of the imprint. B. MNHN.F.C02614, MA, apical view of the internal mould. C. Same specimen in lateral view. D. MNHN.F.C02608, MA, apical view. — E. Trochoidea indet. MNHN.F.A66745, MA, lateral view. — F.?Calliostoma monswavinarensis sp. nov., holotype MNHN.F.C02609, MA, lateral view. — G–K. Sparnollonia bicarinata gen. et sp. nov. G. Holotype MNHN.F. C02610, VGM, lateral view. H. Paratype MNHN.F.C02616, VGM, lateral view. I. Paratype MNHN.F.C02612, VGM, apertural view. J. Paratype MNHN.F.C02618, VGM, apertural view. K. Paratype MNHN.F.C02621, VGM, apical view. — L. Afrollonia nigeriensis Adegoke, 1977 for comparison, holotype UIMG 189, Ewekoro (Nigeria), Danian, apertural view. — M–O.?Tectus acmantensis sp. nov. M. Holotype MNHN.F.A66744, BE, lateral view. N. Paratype UPMC.PAL.2017.0.15.1a, BE, lateral view. O. Paratype UPMC.PAL.2017.0.15.1b, BE, lateral view. Localities: BE = Esmans (Bois d’Esmans); MA = Bergères-lès-Vertus (Mont Aimé); VGM = Vertus (Grand Mont). Scale bars: A–C, F = 10 mm; D, M–O = 5 mm; E = 2 mm; G–L = 3 mm; Credits: A–B, M, O = P. Loubry (MNHN/CNRS), C–K, N = L. Cazes (MNHN/CNRS).	Fig. 5. Vetigastropoda Salvini-Plawen, 1980 from the Maastrichtian of the Paris Basin. A–D. Diodora sp. A. MNHN.F.A66743, MA, apical view of the imprint. B. MNHN.F.C02614, MA, apical view of the internal mould. C. Same specimen in lateral view. D. MNHN.F.C02608, MA, apical view. — E. Trochoidea indet. MNHN.F.A66745, MA, lateral view. — F.?Calliostoma monswavinarensis sp. nov., holotype MNHN.F.C02609, MA, lateral view. — G–K. Sparnollonia bicarinata gen. et sp. nov. G. Holotype MNHN.F. C02610, VGM, lateral view. H. Paratype MNHN.F.C02616, VGM, lateral view. I. Paratype MNHN.F.C02612, VGM, apertural view. J. Paratype MNHN.F.C02618, VGM, apertural view. K. Paratype MNHN.F.C02621, VGM, apical view. — L. Afrollonia nigeriensis Adegoke, 1977 for comparison, holotype UIMG 189, Ewekoro (Nigeria), Danian, apertural view. — M–O.?Tectus acmantensis sp. nov. M. Holotype MNHN.F.A66744, BE, lateral view. N. Paratype UPMC.PAL.2017.0.15.1a, BE, lateral view. O. Paratype UPMC.PAL.2017.0.15.1b, BE, lateral view. Localities: BE = Esmans (Bois d’Esmans); MA = Bergères-lès-Vertus (Mont Aimé); VGM = Vertus (Grand Mont). Scale bars: A–C, F = 10 mm; D, M–O = 5 mm; E = 2 mm; G–L = 3 mm; Credits: A–B, M, O = P. Loubry (MNHN/CNRS), C–K, N = L. Cazes (MNHN/CNRS).	2026-08-07	Merle, Didier		Zenodo	biologists	Merle, Didier			
F12B8A1C7E57FFA01364F945FDBA9139.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/21839665/files/figure.png	https://doi.org/10.5281/zenodo.21839665	Fig. 6. Analysis of the spiral cords of the Vetigastropoda Salvini-Plawen, 1980 from the Maastrichtian of the Paris Basin. A–B.?Calliostoma monswavinarensis sp. nov. A. Holotype MNHN.F.C02609, MA, lateral view. B. Same specimen in profil view. — C–D. Sparnollonia bicarinata gen et sp. nov. C. Paratype MNHN.F.C02612, VGM, apertural view. D. Holotype MNHN.F.C02610, Vertus (Grand Mont), lateral view. — E–F. Afrollonia vilcassina Pacaud, 2017 for comparison. E. Holotype MNHN.F.R62758, Vigny (Bois des Roches), Val d’Oise, Paris Basin, Danian, lateral view. F. Paratype MNHN.F.R63259, same locality. Localities: MA = Bergères-lès-Vertus (Mont Aimé); VGM = Vertus (Grand Mont). Scale bars = 3 mm. Credits = L. Cazes (MNHN/CNRS).	Fig. 6. Analysis of the spiral cords of the Vetigastropoda Salvini-Plawen, 1980 from the Maastrichtian of the Paris Basin. A–B.?Calliostoma monswavinarensis sp. nov. A. Holotype MNHN.F.C02609, MA, lateral view. B. Same specimen in profil view. — C–D. Sparnollonia bicarinata gen et sp. nov. C. Paratype MNHN.F.C02612, VGM, apertural view. D. Holotype MNHN.F.C02610, Vertus (Grand Mont), lateral view. — E–F. Afrollonia vilcassina Pacaud, 2017 for comparison. E. Holotype MNHN.F.R62758, Vigny (Bois des Roches), Val d’Oise, Paris Basin, Danian, lateral view. F. Paratype MNHN.F.R63259, same locality. Localities: MA = Bergères-lès-Vertus (Mont Aimé); VGM = Vertus (Grand Mont). Scale bars = 3 mm. Credits = L. Cazes (MNHN/CNRS).	2026-08-07	Merle, Didier		Zenodo	biologists	Merle, Didier			
F12B8A1C7E48FFA21326FB2EFD109019.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/21839663/files/figure.png	https://doi.org/10.5281/zenodo.21839663	Fig. 5. Vetigastropoda Salvini-Plawen, 1980 from the Maastrichtian of the Paris Basin. A–D. Diodora sp. A. MNHN.F.A66743, MA, apical view of the imprint. B. MNHN.F.C02614, MA, apical view of the internal mould. C. Same specimen in lateral view. D. MNHN.F.C02608, MA, apical view. — E. Trochoidea indet. MNHN.F.A66745, MA, lateral view. — F.?Calliostoma monswavinarensis sp. nov., holotype MNHN.F.C02609, MA, lateral view. — G–K. Sparnollonia bicarinata gen. et sp. nov. G. Holotype MNHN.F. C02610, VGM, lateral view. H. Paratype MNHN.F.C02616, VGM, lateral view. I. Paratype MNHN.F.C02612, VGM, apertural view. J. Paratype MNHN.F.C02618, VGM, apertural view. K. Paratype MNHN.F.C02621, VGM, apical view. — L. Afrollonia nigeriensis Adegoke, 1977 for comparison, holotype UIMG 189, Ewekoro (Nigeria), Danian, apertural view. — M–O.?Tectus acmantensis sp. nov. M. Holotype MNHN.F.A66744, BE, lateral view. N. Paratype UPMC.PAL.2017.0.15.1a, BE, lateral view. O. Paratype UPMC.PAL.2017.0.15.1b, BE, lateral view. Localities: BE = Esmans (Bois d’Esmans); MA = Bergères-lès-Vertus (Mont Aimé); VGM = Vertus (Grand Mont). Scale bars: A–C, F = 10 mm; D, M–O = 5 mm; E = 2 mm; G–L = 3 mm; Credits: A–B, M, O = P. Loubry (MNHN/CNRS), C–K, N = L. Cazes (MNHN/CNRS).	Fig. 5. Vetigastropoda Salvini-Plawen, 1980 from the Maastrichtian of the Paris Basin. A–D. Diodora sp. A. MNHN.F.A66743, MA, apical view of the imprint. B. MNHN.F.C02614, MA, apical view of the internal mould. C. Same specimen in lateral view. D. MNHN.F.C02608, MA, apical view. — E. Trochoidea indet. MNHN.F.A66745, MA, lateral view. — F.?Calliostoma monswavinarensis sp. nov., holotype MNHN.F.C02609, MA, lateral view. — G–K. Sparnollonia bicarinata gen. et sp. nov. G. Holotype MNHN.F. C02610, VGM, lateral view. H. Paratype MNHN.F.C02616, VGM, lateral view. I. Paratype MNHN.F.C02612, VGM, apertural view. J. Paratype MNHN.F.C02618, VGM, apertural view. K. Paratype MNHN.F.C02621, VGM, apical view. — L. Afrollonia nigeriensis Adegoke, 1977 for comparison, holotype UIMG 189, Ewekoro (Nigeria), Danian, apertural view. — M–O.?Tectus acmantensis sp. nov. M. Holotype MNHN.F.A66744, BE, lateral view. N. Paratype UPMC.PAL.2017.0.15.1a, BE, lateral view. O. Paratype UPMC.PAL.2017.0.15.1b, BE, lateral view. Localities: BE = Esmans (Bois d’Esmans); MA = Bergères-lès-Vertus (Mont Aimé); VGM = Vertus (Grand Mont). Scale bars: A–C, F = 10 mm; D, M–O = 5 mm; E = 2 mm; G–L = 3 mm; Credits: A–B, M, O = P. Loubry (MNHN/CNRS), C–K, N = L. Cazes (MNHN/CNRS).	2026-08-07	Merle, Didier		Zenodo	biologists	Merle, Didier			
F12B8A1C7E48FFA21326FB2EFD109019.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/21839667/files/figure.png	https://doi.org/10.5281/zenodo.21839667	Fig. 7. Analysis of the spiral cords of the Vetigastropoda Salvini-Plawen, 1980 from the Maastrichtian of the Paris Basin. A–C.?Tectus acmantensis sp. nov. A. Holotype MNHN.F.FA66744, BE, lateral view. B. Paratype UPMC.PAL 2017.15.1a, BE, lateral view. C. Paratype UPMC.PAL 2017.15.1b, BE, lateral view. — D.?Tectus fraterculus sp. nov., holotype MNHN.F.C02629, VGM, lateral view. — E.?Tectus montissanctipetri (Binkhorst, 1861) from Maastricht (The Netherlands) for comparison. E1. Original figure of Binkhorst (1861: pl. 5a1 fig. 10a apertural view. E 2. Detailed figure of Binkhorst (1861: pl. 5a1 10c) of the spiral sculpture. Localities: BE = Esmans (bois d’Esmans); VGM = Vertus (Grand Mont). Scale bars = 5 mm. Credits: B, D = L. Cazes (MNHN/CNRS); A, C = P. Loubry (MNHN/CNRS).	Fig. 7. Analysis of the spiral cords of the Vetigastropoda Salvini-Plawen, 1980 from the Maastrichtian of the Paris Basin. A–C.?Tectus acmantensis sp. nov. A. Holotype MNHN.F.FA66744, BE, lateral view. B. Paratype UPMC.PAL 2017.15.1a, BE, lateral view. C. Paratype UPMC.PAL 2017.15.1b, BE, lateral view. — D.?Tectus fraterculus sp. nov., holotype MNHN.F.C02629, VGM, lateral view. — E.?Tectus montissanctipetri (Binkhorst, 1861) from Maastricht (The Netherlands) for comparison. E1. Original figure of Binkhorst (1861: pl. 5a1 fig. 10a apertural view. E 2. Detailed figure of Binkhorst (1861: pl. 5a1 10c) of the spiral sculpture. Localities: BE = Esmans (bois d’Esmans); VGM = Vertus (Grand Mont). Scale bars = 5 mm. Credits: B, D = L. Cazes (MNHN/CNRS); A, C = P. Loubry (MNHN/CNRS).	2026-08-07	Merle, Didier		Zenodo	biologists	Merle, Didier			
F12B8A1C7E4AFFA4133FFCAFFDBA919C.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/21839667/files/figure.png	https://doi.org/10.5281/zenodo.21839667	Fig. 7. Analysis of the spiral cords of the Vetigastropoda Salvini-Plawen, 1980 from the Maastrichtian of the Paris Basin. A–C.?Tectus acmantensis sp. nov. A. Holotype MNHN.F.FA66744, BE, lateral view. B. Paratype UPMC.PAL 2017.15.1a, BE, lateral view. C. Paratype UPMC.PAL 2017.15.1b, BE, lateral view. — D.?Tectus fraterculus sp. nov., holotype MNHN.F.C02629, VGM, lateral view. — E.?Tectus montissanctipetri (Binkhorst, 1861) from Maastricht (The Netherlands) for comparison. E1. Original figure of Binkhorst (1861: pl. 5a1 fig. 10a apertural view. E 2. Detailed figure of Binkhorst (1861: pl. 5a1 10c) of the spiral sculpture. Localities: BE = Esmans (bois d’Esmans); VGM = Vertus (Grand Mont). Scale bars = 5 mm. Credits: B, D = L. Cazes (MNHN/CNRS); A, C = P. Loubry (MNHN/CNRS).	Fig. 7. Analysis of the spiral cords of the Vetigastropoda Salvini-Plawen, 1980 from the Maastrichtian of the Paris Basin. A–C.?Tectus acmantensis sp. nov. A. Holotype MNHN.F.FA66744, BE, lateral view. B. Paratype UPMC.PAL 2017.15.1a, BE, lateral view. C. Paratype UPMC.PAL 2017.15.1b, BE, lateral view. — D.?Tectus fraterculus sp. nov., holotype MNHN.F.C02629, VGM, lateral view. — E.?Tectus montissanctipetri (Binkhorst, 1861) from Maastricht (The Netherlands) for comparison. E1. Original figure of Binkhorst (1861: pl. 5a1 fig. 10a apertural view. E 2. Detailed figure of Binkhorst (1861: pl. 5a1 10c) of the spiral sculpture. Localities: BE = Esmans (bois d’Esmans); VGM = Vertus (Grand Mont). Scale bars = 5 mm. Credits: B, D = L. Cazes (MNHN/CNRS); A, C = P. Loubry (MNHN/CNRS).	2026-08-07	Merle, Didier		Zenodo	biologists	Merle, Didier			
F12B8A1C7E4AFFA4133FFCAFFDBA919C.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/21839670/files/figure.png	https://doi.org/10.5281/zenodo.21839670	Fig. 8. Vetigastropoda Salvini-Plawen, 1980 from the Maastrichtian of the Paris Basin. A–D.?Tectus fraterculus sp. nov. A. Holotype MNHN.F.C02629, VGM, lateral view. B–C. Paratype MNHN.F.C02630, VGM, two lateral viewes. D. Same specimen, basal view — E–H.?Tectus senarmonti sp. nov., holotype SU.PAL.2017.0.2.404, BE. E. Lateral view of the imprint. F. Lateral view of the internal mould. G. Basal view of the imprint. H. Apical view of the internal mould. — I.?Agathodonta granosecincta (Binkhorst, 1861) comb. nov. MNHN.F.R63293, MA, lateral view. — J–K.?Clypeostoma vertusensis sp. nov. J. Paratype MNHN.F.C02632, VGM, lateral view. K. Holotype MNHN.F.C02631, VGM, lateral view. — L–M. Calliomphalus (Planolateralus) montenati sp. nov. L. Holotype MNHN.F.C02633, MA, lateral view. M. Paratype UPMC.PAL.2017.0.14.1, VF, lateral view. Localities: BE = Esmans (Bois d’Esmans); MA = Bergères-lès-Vertus (Mont Aimé); VF: Vertus (Faloise); VGM = Vertus (Grand Mont). Scale bars: A–K, M = 5 mm; L = 3 mm. Credits A–H, J–K = Lilian Cazes (MNHN/CNRS), I, L–M = P. Loubry (MNHN/CNRS).	Fig. 8. Vetigastropoda Salvini-Plawen, 1980 from the Maastrichtian of the Paris Basin. A–D.?Tectus fraterculus sp. nov. A. Holotype MNHN.F.C02629, VGM, lateral view. B–C. Paratype MNHN.F.C02630, VGM, two lateral viewes. D. Same specimen, basal view — E–H.?Tectus senarmonti sp. nov., holotype SU.PAL.2017.0.2.404, BE. E. Lateral view of the imprint. F. Lateral view of the internal mould. G. Basal view of the imprint. H. Apical view of the internal mould. — I.?Agathodonta granosecincta (Binkhorst, 1861) comb. nov. MNHN.F.R63293, MA, lateral view. — J–K.?Clypeostoma vertusensis sp. nov. J. Paratype MNHN.F.C02632, VGM, lateral view. K. Holotype MNHN.F.C02631, VGM, lateral view. — L–M. Calliomphalus (Planolateralus) montenati sp. nov. L. Holotype MNHN.F.C02633, MA, lateral view. M. Paratype UPMC.PAL.2017.0.14.1, VF, lateral view. Localities: BE = Esmans (Bois d’Esmans); MA = Bergères-lès-Vertus (Mont Aimé); VF: Vertus (Faloise); VGM = Vertus (Grand Mont). Scale bars: A–K, M = 5 mm; L = 3 mm. Credits A–H, J–K = Lilian Cazes (MNHN/CNRS), I, L–M = P. Loubry (MNHN/CNRS).	2026-08-07	Merle, Didier		Zenodo	biologists	Merle, Didier			
F12B8A1C7E4AFFA4133FFCAFFDBA919C.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/21839657/files/figure.png	https://doi.org/10.5281/zenodo.21839657	Fig. 2. Geological context of the sections of Mont Aimé (A) and Bois d’Esmans (B) after Hébert (1848), original figures coloured. Legends: a = chalk; b = ‘Pisolithic’ = Maastrichtian beds; d = sands and sandstone from Argile plastique (Ypresian); h = millstone from Brie (Rupelian). The two sections are not to the same scale. The thickness of the Maastrichtian (b) is 9 to 10 m at Bois d’Esmans and 25 m at Mont Aimé.	Fig. 2. Geological context of the sections of Mont Aimé (A) and Bois d’Esmans (B) after Hébert (1848), original figures coloured. Legends: a = chalk; b = ‘Pisolithic’ = Maastrichtian beds; d = sands and sandstone from Argile plastique (Ypresian); h = millstone from Brie (Rupelian). The two sections are not to the same scale. The thickness of the Maastrichtian (b) is 9 to 10 m at Bois d’Esmans and 25 m at Mont Aimé.	2026-08-07	Merle, Didier		Zenodo	biologists	Merle, Didier			
F12B8A1C7E4CFFA71339FD13FD1092D9.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/21839670/files/figure.png	https://doi.org/10.5281/zenodo.21839670	Fig. 8. Vetigastropoda Salvini-Plawen, 1980 from the Maastrichtian of the Paris Basin. A–D.?Tectus fraterculus sp. nov. A. Holotype MNHN.F.C02629, VGM, lateral view. B–C. Paratype MNHN.F.C02630, VGM, two lateral viewes. D. Same specimen, basal view — E–H.?Tectus senarmonti sp. nov., holotype SU.PAL.2017.0.2.404, BE. E. Lateral view of the imprint. F. Lateral view of the internal mould. G. Basal view of the imprint. H. Apical view of the internal mould. — I.?Agathodonta granosecincta (Binkhorst, 1861) comb. nov. MNHN.F.R63293, MA, lateral view. — J–K.?Clypeostoma vertusensis sp. nov. J. Paratype MNHN.F.C02632, VGM, lateral view. K. Holotype MNHN.F.C02631, VGM, lateral view. — L–M. Calliomphalus (Planolateralus) montenati sp. nov. L. Holotype MNHN.F.C02633, MA, lateral view. M. Paratype UPMC.PAL.2017.0.14.1, VF, lateral view. Localities: BE = Esmans (Bois d’Esmans); MA = Bergères-lès-Vertus (Mont Aimé); VF: Vertus (Faloise); VGM = Vertus (Grand Mont). Scale bars: A–K, M = 5 mm; L = 3 mm. Credits A–H, J–K = Lilian Cazes (MNHN/CNRS), I, L–M = P. Loubry (MNHN/CNRS).	Fig. 8. Vetigastropoda Salvini-Plawen, 1980 from the Maastrichtian of the Paris Basin. A–D.?Tectus fraterculus sp. nov. A. Holotype MNHN.F.C02629, VGM, lateral view. B–C. Paratype MNHN.F.C02630, VGM, two lateral viewes. D. Same specimen, basal view — E–H.?Tectus senarmonti sp. nov., holotype SU.PAL.2017.0.2.404, BE. E. Lateral view of the imprint. F. Lateral view of the internal mould. G. Basal view of the imprint. H. Apical view of the internal mould. — I.?Agathodonta granosecincta (Binkhorst, 1861) comb. nov. MNHN.F.R63293, MA, lateral view. — J–K.?Clypeostoma vertusensis sp. nov. J. Paratype MNHN.F.C02632, VGM, lateral view. K. Holotype MNHN.F.C02631, VGM, lateral view. — L–M. Calliomphalus (Planolateralus) montenati sp. nov. L. Holotype MNHN.F.C02633, MA, lateral view. M. Paratype UPMC.PAL.2017.0.14.1, VF, lateral view. Localities: BE = Esmans (Bois d’Esmans); MA = Bergères-lès-Vertus (Mont Aimé); VF: Vertus (Faloise); VGM = Vertus (Grand Mont). Scale bars: A–K, M = 5 mm; L = 3 mm. Credits A–H, J–K = Lilian Cazes (MNHN/CNRS), I, L–M = P. Loubry (MNHN/CNRS).	2026-08-07	Merle, Didier		Zenodo	biologists	Merle, Didier			
F12B8A1C7E4CFFA71339FD13FD1092D9.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/21839672/files/figure.png	https://doi.org/10.5281/zenodo.21839672	Fig. 9. Analysis of the spiral cords of the Vetigastropoda Salvini-Plawen, 1980 from the Maastrichtian of the Paris Basin. A.?Tectus senarmonti sp. nov., holotype UPMC.PAL, BE, lateral view. — B–C.?Agathodonta granosecincta (Binkhorst, 1861) comb. nov. B. MNHN.F.R63293, MA, lateral view. C. Holotype, original figure of Binkhorst (1861: pl. 5a1 fig. 6a–b) for comparison. — D.?Clypeostoma vertusensis sp. nov., holotype MNHN.F.C02631, VGM, lateral view. — E–F. Calliomphalus (Planolateralus) montenati sp. nov. E. Holotype MNHN.F.C02633, MA, lateral view. F. Paratype UPMC.PAL.2017.0.14.1, VF, lateral view. Localities: BE = Esmans (Bois d’Esmans); MA = Bergèreslès-Vertus (Mont Aimé); VF = Vertus (Faloise); VGM = Vertus (Grand Mont). Scale bars: A–B, D, F = 5 mm; E = 3 mm. Credits: A, D = L. Cazes (MNHN/CNRS); B–C, E–F = P. Loubry (MNHN/CNRS).	Fig. 9. Analysis of the spiral cords of the Vetigastropoda Salvini-Plawen, 1980 from the Maastrichtian of the Paris Basin. A.?Tectus senarmonti sp. nov., holotype UPMC.PAL, BE, lateral view. — B–C.?Agathodonta granosecincta (Binkhorst, 1861) comb. nov. B. MNHN.F.R63293, MA, lateral view. C. Holotype, original figure of Binkhorst (1861: pl. 5a1 fig. 6a–b) for comparison. — D.?Clypeostoma vertusensis sp. nov., holotype MNHN.F.C02631, VGM, lateral view. — E–F. Calliomphalus (Planolateralus) montenati sp. nov. E. Holotype MNHN.F.C02633, MA, lateral view. F. Paratype UPMC.PAL.2017.0.14.1, VF, lateral view. Localities: BE = Esmans (Bois d’Esmans); MA = Bergèreslès-Vertus (Mont Aimé); VF = Vertus (Faloise); VGM = Vertus (Grand Mont). Scale bars: A–B, D, F = 5 mm; E = 3 mm. Credits: A, D = L. Cazes (MNHN/CNRS); B–C, E–F = P. Loubry (MNHN/CNRS).	2026-08-07	Merle, Didier		Zenodo	biologists	Merle, Didier			
F12B8A1C7E4FFFA610F1FBFEFCFC97C4.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/21839670/files/figure.png	https://doi.org/10.5281/zenodo.21839670	Fig. 8. Vetigastropoda Salvini-Plawen, 1980 from the Maastrichtian of the Paris Basin. A–D.?Tectus fraterculus sp. nov. A. Holotype MNHN.F.C02629, VGM, lateral view. B–C. Paratype MNHN.F.C02630, VGM, two lateral viewes. D. Same specimen, basal view — E–H.?Tectus senarmonti sp. nov., holotype SU.PAL.2017.0.2.404, BE. E. Lateral view of the imprint. F. Lateral view of the internal mould. G. Basal view of the imprint. H. Apical view of the internal mould. — I.?Agathodonta granosecincta (Binkhorst, 1861) comb. nov. MNHN.F.R63293, MA, lateral view. — J–K.?Clypeostoma vertusensis sp. nov. J. Paratype MNHN.F.C02632, VGM, lateral view. K. Holotype MNHN.F.C02631, VGM, lateral view. — L–M. Calliomphalus (Planolateralus) montenati sp. nov. L. Holotype MNHN.F.C02633, MA, lateral view. M. Paratype UPMC.PAL.2017.0.14.1, VF, lateral view. Localities: BE = Esmans (Bois d’Esmans); MA = Bergères-lès-Vertus (Mont Aimé); VF: Vertus (Faloise); VGM = Vertus (Grand Mont). Scale bars: A–K, M = 5 mm; L = 3 mm. Credits A–H, J–K = Lilian Cazes (MNHN/CNRS), I, L–M = P. Loubry (MNHN/CNRS).	Fig. 8. Vetigastropoda Salvini-Plawen, 1980 from the Maastrichtian of the Paris Basin. A–D.?Tectus fraterculus sp. nov. A. Holotype MNHN.F.C02629, VGM, lateral view. B–C. Paratype MNHN.F.C02630, VGM, two lateral viewes. D. Same specimen, basal view — E–H.?Tectus senarmonti sp. nov., holotype SU.PAL.2017.0.2.404, BE. E. Lateral view of the imprint. F. Lateral view of the internal mould. G. Basal view of the imprint. H. Apical view of the internal mould. — I.?Agathodonta granosecincta (Binkhorst, 1861) comb. nov. MNHN.F.R63293, MA, lateral view. — J–K.?Clypeostoma vertusensis sp. nov. J. Paratype MNHN.F.C02632, VGM, lateral view. K. Holotype MNHN.F.C02631, VGM, lateral view. — L–M. Calliomphalus (Planolateralus) montenati sp. nov. L. Holotype MNHN.F.C02633, MA, lateral view. M. Paratype UPMC.PAL.2017.0.14.1, VF, lateral view. Localities: BE = Esmans (Bois d’Esmans); MA = Bergères-lès-Vertus (Mont Aimé); VF: Vertus (Faloise); VGM = Vertus (Grand Mont). Scale bars: A–K, M = 5 mm; L = 3 mm. Credits A–H, J–K = Lilian Cazes (MNHN/CNRS), I, L–M = P. Loubry (MNHN/CNRS).	2026-08-07	Merle, Didier		Zenodo	biologists	Merle, Didier			
F12B8A1C7E4FFFA610F1FBFEFCFC97C4.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/21839672/files/figure.png	https://doi.org/10.5281/zenodo.21839672	Fig. 9. Analysis of the spiral cords of the Vetigastropoda Salvini-Plawen, 1980 from the Maastrichtian of the Paris Basin. A.?Tectus senarmonti sp. nov., holotype UPMC.PAL, BE, lateral view. — B–C.?Agathodonta granosecincta (Binkhorst, 1861) comb. nov. B. MNHN.F.R63293, MA, lateral view. C. Holotype, original figure of Binkhorst (1861: pl. 5a1 fig. 6a–b) for comparison. — D.?Clypeostoma vertusensis sp. nov., holotype MNHN.F.C02631, VGM, lateral view. — E–F. Calliomphalus (Planolateralus) montenati sp. nov. E. Holotype MNHN.F.C02633, MA, lateral view. F. Paratype UPMC.PAL.2017.0.14.1, VF, lateral view. Localities: BE = Esmans (Bois d’Esmans); MA = Bergèreslès-Vertus (Mont Aimé); VF = Vertus (Faloise); VGM = Vertus (Grand Mont). Scale bars: A–B, D, F = 5 mm; E = 3 mm. Credits: A, D = L. Cazes (MNHN/CNRS); B–C, E–F = P. Loubry (MNHN/CNRS).	Fig. 9. Analysis of the spiral cords of the Vetigastropoda Salvini-Plawen, 1980 from the Maastrichtian of the Paris Basin. A.?Tectus senarmonti sp. nov., holotype UPMC.PAL, BE, lateral view. — B–C.?Agathodonta granosecincta (Binkhorst, 1861) comb. nov. B. MNHN.F.R63293, MA, lateral view. C. Holotype, original figure of Binkhorst (1861: pl. 5a1 fig. 6a–b) for comparison. — D.?Clypeostoma vertusensis sp. nov., holotype MNHN.F.C02631, VGM, lateral view. — E–F. Calliomphalus (Planolateralus) montenati sp. nov. E. Holotype MNHN.F.C02633, MA, lateral view. F. Paratype UPMC.PAL.2017.0.14.1, VF, lateral view. Localities: BE = Esmans (Bois d’Esmans); MA = Bergèreslès-Vertus (Mont Aimé); VF = Vertus (Faloise); VGM = Vertus (Grand Mont). Scale bars: A–B, D, F = 5 mm; E = 3 mm. Credits: A, D = L. Cazes (MNHN/CNRS); B–C, E–F = P. Loubry (MNHN/CNRS).	2026-08-07	Merle, Didier		Zenodo	biologists	Merle, Didier			
F12B8A1C7E4EFFA91304F9D3FDBA96D4.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/21839670/files/figure.png	https://doi.org/10.5281/zenodo.21839670	Fig. 8. Vetigastropoda Salvini-Plawen, 1980 from the Maastrichtian of the Paris Basin. A–D.?Tectus fraterculus sp. nov. A. Holotype MNHN.F.C02629, VGM, lateral view. B–C. Paratype MNHN.F.C02630, VGM, two lateral viewes. D. Same specimen, basal view — E–H.?Tectus senarmonti sp. nov., holotype SU.PAL.2017.0.2.404, BE. E. Lateral view of the imprint. F. Lateral view of the internal mould. G. Basal view of the imprint. H. Apical view of the internal mould. — I.?Agathodonta granosecincta (Binkhorst, 1861) comb. nov. MNHN.F.R63293, MA, lateral view. — J–K.?Clypeostoma vertusensis sp. nov. J. Paratype MNHN.F.C02632, VGM, lateral view. K. Holotype MNHN.F.C02631, VGM, lateral view. — L–M. Calliomphalus (Planolateralus) montenati sp. nov. L. Holotype MNHN.F.C02633, MA, lateral view. M. Paratype UPMC.PAL.2017.0.14.1, VF, lateral view. Localities: BE = Esmans (Bois d’Esmans); MA = Bergères-lès-Vertus (Mont Aimé); VF: Vertus (Faloise); VGM = Vertus (Grand Mont). Scale bars: A–K, M = 5 mm; L = 3 mm. Credits A–H, J–K = Lilian Cazes (MNHN/CNRS), I, L–M = P. Loubry (MNHN/CNRS).	Fig. 8. Vetigastropoda Salvini-Plawen, 1980 from the Maastrichtian of the Paris Basin. A–D.?Tectus fraterculus sp. nov. A. Holotype MNHN.F.C02629, VGM, lateral view. B–C. Paratype MNHN.F.C02630, VGM, two lateral viewes. D. Same specimen, basal view — E–H.?Tectus senarmonti sp. nov., holotype SU.PAL.2017.0.2.404, BE. E. Lateral view of the imprint. F. Lateral view of the internal mould. G. Basal view of the imprint. H. Apical view of the internal mould. — I.?Agathodonta granosecincta (Binkhorst, 1861) comb. nov. MNHN.F.R63293, MA, lateral view. — J–K.?Clypeostoma vertusensis sp. nov. J. Paratype MNHN.F.C02632, VGM, lateral view. K. Holotype MNHN.F.C02631, VGM, lateral view. — L–M. Calliomphalus (Planolateralus) montenati sp. nov. L. Holotype MNHN.F.C02633, MA, lateral view. M. Paratype UPMC.PAL.2017.0.14.1, VF, lateral view. Localities: BE = Esmans (Bois d’Esmans); MA = Bergères-lès-Vertus (Mont Aimé); VF: Vertus (Faloise); VGM = Vertus (Grand Mont). Scale bars: A–K, M = 5 mm; L = 3 mm. Credits A–H, J–K = Lilian Cazes (MNHN/CNRS), I, L–M = P. Loubry (MNHN/CNRS).	2026-08-07	Merle, Didier		Zenodo	biologists	Merle, Didier			
F12B8A1C7E4EFFA91304F9D3FDBA96D4.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/21839672/files/figure.png	https://doi.org/10.5281/zenodo.21839672	Fig. 9. Analysis of the spiral cords of the Vetigastropoda Salvini-Plawen, 1980 from the Maastrichtian of the Paris Basin. A.?Tectus senarmonti sp. nov., holotype UPMC.PAL, BE, lateral view. — B–C.?Agathodonta granosecincta (Binkhorst, 1861) comb. nov. B. MNHN.F.R63293, MA, lateral view. C. Holotype, original figure of Binkhorst (1861: pl. 5a1 fig. 6a–b) for comparison. — D.?Clypeostoma vertusensis sp. nov., holotype MNHN.F.C02631, VGM, lateral view. — E–F. Calliomphalus (Planolateralus) montenati sp. nov. E. Holotype MNHN.F.C02633, MA, lateral view. F. Paratype UPMC.PAL.2017.0.14.1, VF, lateral view. Localities: BE = Esmans (Bois d’Esmans); MA = Bergèreslès-Vertus (Mont Aimé); VF = Vertus (Faloise); VGM = Vertus (Grand Mont). Scale bars: A–B, D, F = 5 mm; E = 3 mm. Credits: A, D = L. Cazes (MNHN/CNRS); B–C, E–F = P. Loubry (MNHN/CNRS).	Fig. 9. Analysis of the spiral cords of the Vetigastropoda Salvini-Plawen, 1980 from the Maastrichtian of the Paris Basin. A.?Tectus senarmonti sp. nov., holotype UPMC.PAL, BE, lateral view. — B–C.?Agathodonta granosecincta (Binkhorst, 1861) comb. nov. B. MNHN.F.R63293, MA, lateral view. C. Holotype, original figure of Binkhorst (1861: pl. 5a1 fig. 6a–b) for comparison. — D.?Clypeostoma vertusensis sp. nov., holotype MNHN.F.C02631, VGM, lateral view. — E–F. Calliomphalus (Planolateralus) montenati sp. nov. E. Holotype MNHN.F.C02633, MA, lateral view. F. Paratype UPMC.PAL.2017.0.14.1, VF, lateral view. Localities: BE = Esmans (Bois d’Esmans); MA = Bergèreslès-Vertus (Mont Aimé); VF = Vertus (Faloise); VGM = Vertus (Grand Mont). Scale bars: A–B, D, F = 5 mm; E = 3 mm. Credits: A, D = L. Cazes (MNHN/CNRS); B–C, E–F = P. Loubry (MNHN/CNRS).	2026-08-07	Merle, Didier		Zenodo	biologists	Merle, Didier			
F12B8A1C7E40FFAB10A3FE57FDBA9033.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/21839670/files/figure.png	https://doi.org/10.5281/zenodo.21839670	Fig. 8. Vetigastropoda Salvini-Plawen, 1980 from the Maastrichtian of the Paris Basin. A–D.?Tectus fraterculus sp. nov. A. Holotype MNHN.F.C02629, VGM, lateral view. B–C. Paratype MNHN.F.C02630, VGM, two lateral viewes. D. Same specimen, basal view — E–H.?Tectus senarmonti sp. nov., holotype SU.PAL.2017.0.2.404, BE. E. Lateral view of the imprint. F. Lateral view of the internal mould. G. Basal view of the imprint. H. Apical view of the internal mould. — I.?Agathodonta granosecincta (Binkhorst, 1861) comb. nov. MNHN.F.R63293, MA, lateral view. — J–K.?Clypeostoma vertusensis sp. nov. J. Paratype MNHN.F.C02632, VGM, lateral view. K. Holotype MNHN.F.C02631, VGM, lateral view. — L–M. Calliomphalus (Planolateralus) montenati sp. nov. L. Holotype MNHN.F.C02633, MA, lateral view. M. Paratype UPMC.PAL.2017.0.14.1, VF, lateral view. Localities: BE = Esmans (Bois d’Esmans); MA = Bergères-lès-Vertus (Mont Aimé); VF: Vertus (Faloise); VGM = Vertus (Grand Mont). Scale bars: A–K, M = 5 mm; L = 3 mm. Credits A–H, J–K = Lilian Cazes (MNHN/CNRS), I, L–M = P. Loubry (MNHN/CNRS).	Fig. 8. Vetigastropoda Salvini-Plawen, 1980 from the Maastrichtian of the Paris Basin. A–D.?Tectus fraterculus sp. nov. A. Holotype MNHN.F.C02629, VGM, lateral view. B–C. Paratype MNHN.F.C02630, VGM, two lateral viewes. D. Same specimen, basal view — E–H.?Tectus senarmonti sp. nov., holotype SU.PAL.2017.0.2.404, BE. E. Lateral view of the imprint. F. Lateral view of the internal mould. G. Basal view of the imprint. H. Apical view of the internal mould. — I.?Agathodonta granosecincta (Binkhorst, 1861) comb. nov. MNHN.F.R63293, MA, lateral view. — J–K.?Clypeostoma vertusensis sp. nov. J. Paratype MNHN.F.C02632, VGM, lateral view. K. Holotype MNHN.F.C02631, VGM, lateral view. — L–M. Calliomphalus (Planolateralus) montenati sp. nov. L. Holotype MNHN.F.C02633, MA, lateral view. M. Paratype UPMC.PAL.2017.0.14.1, VF, lateral view. Localities: BE = Esmans (Bois d’Esmans); MA = Bergères-lès-Vertus (Mont Aimé); VF: Vertus (Faloise); VGM = Vertus (Grand Mont). Scale bars: A–K, M = 5 mm; L = 3 mm. Credits A–H, J–K = Lilian Cazes (MNHN/CNRS), I, L–M = P. Loubry (MNHN/CNRS).	2026-08-07	Merle, Didier		Zenodo	biologists	Merle, Didier			
F12B8A1C7E40FFAB10A3FE57FDBA9033.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/21839672/files/figure.png	https://doi.org/10.5281/zenodo.21839672	Fig. 9. Analysis of the spiral cords of the Vetigastropoda Salvini-Plawen, 1980 from the Maastrichtian of the Paris Basin. A.?Tectus senarmonti sp. nov., holotype UPMC.PAL, BE, lateral view. — B–C.?Agathodonta granosecincta (Binkhorst, 1861) comb. nov. B. MNHN.F.R63293, MA, lateral view. C. Holotype, original figure of Binkhorst (1861: pl. 5a1 fig. 6a–b) for comparison. — D.?Clypeostoma vertusensis sp. nov., holotype MNHN.F.C02631, VGM, lateral view. — E–F. Calliomphalus (Planolateralus) montenati sp. nov. E. Holotype MNHN.F.C02633, MA, lateral view. F. Paratype UPMC.PAL.2017.0.14.1, VF, lateral view. Localities: BE = Esmans (Bois d’Esmans); MA = Bergèreslès-Vertus (Mont Aimé); VF = Vertus (Faloise); VGM = Vertus (Grand Mont). Scale bars: A–B, D, F = 5 mm; E = 3 mm. Credits: A, D = L. Cazes (MNHN/CNRS); B–C, E–F = P. Loubry (MNHN/CNRS).	Fig. 9. Analysis of the spiral cords of the Vetigastropoda Salvini-Plawen, 1980 from the Maastrichtian of the Paris Basin. A.?Tectus senarmonti sp. nov., holotype UPMC.PAL, BE, lateral view. — B–C.?Agathodonta granosecincta (Binkhorst, 1861) comb. nov. B. MNHN.F.R63293, MA, lateral view. C. Holotype, original figure of Binkhorst (1861: pl. 5a1 fig. 6a–b) for comparison. — D.?Clypeostoma vertusensis sp. nov., holotype MNHN.F.C02631, VGM, lateral view. — E–F. Calliomphalus (Planolateralus) montenati sp. nov. E. Holotype MNHN.F.C02633, MA, lateral view. F. Paratype UPMC.PAL.2017.0.14.1, VF, lateral view. Localities: BE = Esmans (Bois d’Esmans); MA = Bergèreslès-Vertus (Mont Aimé); VF = Vertus (Faloise); VGM = Vertus (Grand Mont). Scale bars: A–B, D, F = 5 mm; E = 3 mm. Credits: A, D = L. Cazes (MNHN/CNRS); B–C, E–F = P. Loubry (MNHN/CNRS).	2026-08-07	Merle, Didier		Zenodo	biologists	Merle, Didier			
F12B8A1C7E42FFAC1307FCF2FDBA9753.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/21839678/files/figure.png	https://doi.org/10.5281/zenodo.21839678	Fig. 10. Analysis of the spiral cords of Rhinoclavis parvisulcatus sp. nov. from the Maastrichtian of the Paris Basin. A. Paratype MNHN.F.C02639, VGM. B. Paratype MNHN.F.C02637, MA. C. Holotype MNHN.F.C02634, MA. — D. Rhinoclavis urania (d’Orbigny, 1850) from the Danian of the Paris Basin for comparison, syntype MNHN.F.A46112, Montainville (Pont de Falaise), Yvelines. Abbreviations: gr = groove; s = suture. Localities: MA = Bergères-lès-Vertus (Mont Aimé); VGM = Vertus (Grand Mont). Scale bars = 5 mm. Credits = P. Loubry (MNHN/CNRS).	Fig. 10. Analysis of the spiral cords of Rhinoclavis parvisulcatus sp. nov. from the Maastrichtian of the Paris Basin. A. Paratype MNHN.F.C02639, VGM. B. Paratype MNHN.F.C02637, MA. C. Holotype MNHN.F.C02634, MA. — D. Rhinoclavis urania (d’Orbigny, 1850) from the Danian of the Paris Basin for comparison, syntype MNHN.F.A46112, Montainville (Pont de Falaise), Yvelines. Abbreviations: gr = groove; s = suture. Localities: MA = Bergères-lès-Vertus (Mont Aimé); VGM = Vertus (Grand Mont). Scale bars = 5 mm. Credits = P. Loubry (MNHN/CNRS).	2026-08-07	Merle, Didier		Zenodo	biologists	Merle, Didier			
F12B8A1C7E42FFAC1307FCF2FDBA9753.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/21839680/files/figure.png	https://doi.org/10.5281/zenodo.21839680	Fig. 11. Cerithioidea J. Fleming, 1822 from the Maastrichtian of the Paris Basin. A–F. Rhinoclavis parvisulcatus sp. nov. A. Holotype MNHN.F.C02634, MA. B. Paratype MNHN.F.C02637, MA. C. Paratype MNHN.F.C02639, VGM. D. Paratype MNHN.F.C02635, MA. E–F. Paratype MNHN.F.A66753, MA. — G. Pseudoaluco sp., MNHN.F.A66755, MA. — H–J.?Vicinocerithium heberti n. sp. H. Paratype MNHN.F.A66749, MA. I. Holotype MNHN.F.A66750, MA. J. Paratype MNHN.F.C02641, MA. — K–L.?Vicinocerithium sp. K. MNHN.F.A66751, MA. L. MNHN.F.C02651, VGM. — M–O. Granulolabium cretaceum sp. nov. M. Paratype MNHN.FC02652, VGM. N. Paratype MNHN.F.C02653, VGM. O. Holotype MNHN.F.C02654, MA. Localities: MA = Bergères-lès-Vertus (Mont Aimé); VGM = Vertus (Grand Mont). Scale bars = 5 mm. Credits = P. Loubry (MNHN/CNRS).	Fig. 11. Cerithioidea J. Fleming, 1822 from the Maastrichtian of the Paris Basin. A–F. Rhinoclavis parvisulcatus sp. nov. A. Holotype MNHN.F.C02634, MA. B. Paratype MNHN.F.C02637, MA. C. Paratype MNHN.F.C02639, VGM. D. Paratype MNHN.F.C02635, MA. E–F. Paratype MNHN.F.A66753, MA. — G. Pseudoaluco sp., MNHN.F.A66755, MA. — H–J.?Vicinocerithium heberti n. sp. H. Paratype MNHN.F.A66749, MA. I. Holotype MNHN.F.A66750, MA. J. Paratype MNHN.F.C02641, MA. — K–L.?Vicinocerithium sp. K. MNHN.F.A66751, MA. L. MNHN.F.C02651, VGM. — M–O. Granulolabium cretaceum sp. nov. M. Paratype MNHN.FC02652, VGM. N. Paratype MNHN.F.C02653, VGM. O. Holotype MNHN.F.C02654, MA. Localities: MA = Bergères-lès-Vertus (Mont Aimé); VGM = Vertus (Grand Mont). Scale bars = 5 mm. Credits = P. Loubry (MNHN/CNRS).	2026-08-07	Merle, Didier		Zenodo	biologists	Merle, Didier			
F12B8A1C7E44FF9113FDF9EFFDBA90D1.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/21839680/files/figure.png	https://doi.org/10.5281/zenodo.21839680	Fig. 11. Cerithioidea J. Fleming, 1822 from the Maastrichtian of the Paris Basin. A–F. Rhinoclavis parvisulcatus sp. nov. A. Holotype MNHN.F.C02634, MA. B. Paratype MNHN.F.C02637, MA. C. Paratype MNHN.F.C02639, VGM. D. Paratype MNHN.F.C02635, MA. E–F. Paratype MNHN.F.A66753, MA. — G. Pseudoaluco sp., MNHN.F.A66755, MA. — H–J.?Vicinocerithium heberti n. sp. H. Paratype MNHN.F.A66749, MA. I. Holotype MNHN.F.A66750, MA. J. Paratype MNHN.F.C02641, MA. — K–L.?Vicinocerithium sp. K. MNHN.F.A66751, MA. L. MNHN.F.C02651, VGM. — M–O. Granulolabium cretaceum sp. nov. M. Paratype MNHN.FC02652, VGM. N. Paratype MNHN.F.C02653, VGM. O. Holotype MNHN.F.C02654, MA. Localities: MA = Bergères-lès-Vertus (Mont Aimé); VGM = Vertus (Grand Mont). Scale bars = 5 mm. Credits = P. Loubry (MNHN/CNRS).	Fig. 11. Cerithioidea J. Fleming, 1822 from the Maastrichtian of the Paris Basin. A–F. Rhinoclavis parvisulcatus sp. nov. A. Holotype MNHN.F.C02634, MA. B. Paratype MNHN.F.C02637, MA. C. Paratype MNHN.F.C02639, VGM. D. Paratype MNHN.F.C02635, MA. E–F. Paratype MNHN.F.A66753, MA. — G. Pseudoaluco sp., MNHN.F.A66755, MA. — H–J.?Vicinocerithium heberti n. sp. H. Paratype MNHN.F.A66749, MA. I. Holotype MNHN.F.A66750, MA. J. Paratype MNHN.F.C02641, MA. — K–L.?Vicinocerithium sp. K. MNHN.F.A66751, MA. L. MNHN.F.C02651, VGM. — M–O. Granulolabium cretaceum sp. nov. M. Paratype MNHN.FC02652, VGM. N. Paratype MNHN.F.C02653, VGM. O. Holotype MNHN.F.C02654, MA. Localities: MA = Bergères-lès-Vertus (Mont Aimé); VGM = Vertus (Grand Mont). Scale bars = 5 mm. Credits = P. Loubry (MNHN/CNRS).	2026-08-07	Merle, Didier		Zenodo	biologists	Merle, Didier			
F12B8A1C7E44FF9113FDF9EFFDBA90D1.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/21839684/files/figure.png	https://doi.org/10.5281/zenodo.21839684	Fig. 12. Analysis of the spiral cords of Pseudoaluco B.L. Clark, 1946,?Vicinocerithium E. Wood, 1910 and Granulolabium Cossmann, 1889 from the Maastrichtian of the Paris Basin. A. Pseudoaluco sp., MNHN.F.A66755, MA. — B–C.?Vicinoceritium heberti sp. nov. B. Paratype MNHN.F.C02641, MA. C. Holotype MNHN.F.A66750, MA. — D.?Vicinocerithium sp., MNHN.F.A66751, MA. — E–F. Granulolabium cretaceum sp. nov. E. Paratype MNHN.F.C02653, VGM. F. Paratype MNHN.F.C02652, VGM. Localities: MA = Bergères-lès-Vertus (Mont Aimé); VGM = Vertus (Grand Mont). Scale bars = 5 mm. Credits = P. Loubry (MNHN/CNRS).	Fig. 12. Analysis of the spiral cords of Pseudoaluco B.L. Clark, 1946,?Vicinocerithium E. Wood, 1910 and Granulolabium Cossmann, 1889 from the Maastrichtian of the Paris Basin. A. Pseudoaluco sp., MNHN.F.A66755, MA. — B–C.?Vicinoceritium heberti sp. nov. B. Paratype MNHN.F.C02641, MA. C. Holotype MNHN.F.A66750, MA. — D.?Vicinocerithium sp., MNHN.F.A66751, MA. — E–F. Granulolabium cretaceum sp. nov. E. Paratype MNHN.F.C02653, VGM. F. Paratype MNHN.F.C02652, VGM. Localities: MA = Bergères-lès-Vertus (Mont Aimé); VGM = Vertus (Grand Mont). Scale bars = 5 mm. Credits = P. Loubry (MNHN/CNRS).	2026-08-07	Merle, Didier		Zenodo	biologists	Merle, Didier			
F12B8A1C7E79FF931318FA94FB369099.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/21839680/files/figure.png	https://doi.org/10.5281/zenodo.21839680	Fig. 11. Cerithioidea J. Fleming, 1822 from the Maastrichtian of the Paris Basin. A–F. Rhinoclavis parvisulcatus sp. nov. A. Holotype MNHN.F.C02634, MA. B. Paratype MNHN.F.C02637, MA. C. Paratype MNHN.F.C02639, VGM. D. Paratype MNHN.F.C02635, MA. E–F. Paratype MNHN.F.A66753, MA. — G. Pseudoaluco sp., MNHN.F.A66755, MA. — H–J.?Vicinocerithium heberti n. sp. H. Paratype MNHN.F.A66749, MA. I. Holotype MNHN.F.A66750, MA. J. Paratype MNHN.F.C02641, MA. — K–L.?Vicinocerithium sp. K. MNHN.F.A66751, MA. L. MNHN.F.C02651, VGM. — M–O. Granulolabium cretaceum sp. nov. M. Paratype MNHN.FC02652, VGM. N. Paratype MNHN.F.C02653, VGM. O. Holotype MNHN.F.C02654, MA. Localities: MA = Bergères-lès-Vertus (Mont Aimé); VGM = Vertus (Grand Mont). Scale bars = 5 mm. Credits = P. Loubry (MNHN/CNRS).	Fig. 11. Cerithioidea J. Fleming, 1822 from the Maastrichtian of the Paris Basin. A–F. Rhinoclavis parvisulcatus sp. nov. A. Holotype MNHN.F.C02634, MA. B. Paratype MNHN.F.C02637, MA. C. Paratype MNHN.F.C02639, VGM. D. Paratype MNHN.F.C02635, MA. E–F. Paratype MNHN.F.A66753, MA. — G. Pseudoaluco sp., MNHN.F.A66755, MA. — H–J.?Vicinocerithium heberti n. sp. H. Paratype MNHN.F.A66749, MA. I. Holotype MNHN.F.A66750, MA. J. Paratype MNHN.F.C02641, MA. — K–L.?Vicinocerithium sp. K. MNHN.F.A66751, MA. L. MNHN.F.C02651, VGM. — M–O. Granulolabium cretaceum sp. nov. M. Paratype MNHN.FC02652, VGM. N. Paratype MNHN.F.C02653, VGM. O. Holotype MNHN.F.C02654, MA. Localities: MA = Bergères-lès-Vertus (Mont Aimé); VGM = Vertus (Grand Mont). Scale bars = 5 mm. Credits = P. Loubry (MNHN/CNRS).	2026-08-07	Merle, Didier		Zenodo	biologists	Merle, Didier			
F12B8A1C7E79FF931318FA94FB369099.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/21839684/files/figure.png	https://doi.org/10.5281/zenodo.21839684	Fig. 12. Analysis of the spiral cords of Pseudoaluco B.L. Clark, 1946,?Vicinocerithium E. Wood, 1910 and Granulolabium Cossmann, 1889 from the Maastrichtian of the Paris Basin. A. Pseudoaluco sp., MNHN.F.A66755, MA. — B–C.?Vicinoceritium heberti sp. nov. B. Paratype MNHN.F.C02641, MA. C. Holotype MNHN.F.A66750, MA. — D.?Vicinocerithium sp., MNHN.F.A66751, MA. — E–F. Granulolabium cretaceum sp. nov. E. Paratype MNHN.F.C02653, VGM. F. Paratype MNHN.F.C02652, VGM. Localities: MA = Bergères-lès-Vertus (Mont Aimé); VGM = Vertus (Grand Mont). Scale bars = 5 mm. Credits = P. Loubry (MNHN/CNRS).	Fig. 12. Analysis of the spiral cords of Pseudoaluco B.L. Clark, 1946,?Vicinocerithium E. Wood, 1910 and Granulolabium Cossmann, 1889 from the Maastrichtian of the Paris Basin. A. Pseudoaluco sp., MNHN.F.A66755, MA. — B–C.?Vicinoceritium heberti sp. nov. B. Paratype MNHN.F.C02641, MA. C. Holotype MNHN.F.A66750, MA. — D.?Vicinocerithium sp., MNHN.F.A66751, MA. — E–F. Granulolabium cretaceum sp. nov. E. Paratype MNHN.F.C02653, VGM. F. Paratype MNHN.F.C02652, VGM. Localities: MA = Bergères-lès-Vertus (Mont Aimé); VGM = Vertus (Grand Mont). Scale bars = 5 mm. Credits = P. Loubry (MNHN/CNRS).	2026-08-07	Merle, Didier		Zenodo	biologists	Merle, Didier			
F12B8A1C7E79FF931318FA94FB369099.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/21839667/files/figure.png	https://doi.org/10.5281/zenodo.21839667	Fig. 7. Analysis of the spiral cords of the Vetigastropoda Salvini-Plawen, 1980 from the Maastrichtian of the Paris Basin. A–C.?Tectus acmantensis sp. nov. A. Holotype MNHN.F.FA66744, BE, lateral view. B. Paratype UPMC.PAL 2017.15.1a, BE, lateral view. C. Paratype UPMC.PAL 2017.15.1b, BE, lateral view. — D.?Tectus fraterculus sp. nov., holotype MNHN.F.C02629, VGM, lateral view. — E.?Tectus montissanctipetri (Binkhorst, 1861) from Maastricht (The Netherlands) for comparison. E1. Original figure of Binkhorst (1861: pl. 5a1 fig. 10a apertural view. E 2. Detailed figure of Binkhorst (1861: pl. 5a1 10c) of the spiral sculpture. Localities: BE = Esmans (bois d’Esmans); VGM = Vertus (Grand Mont). Scale bars = 5 mm. Credits: B, D = L. Cazes (MNHN/CNRS); A, C = P. Loubry (MNHN/CNRS).	Fig. 7. Analysis of the spiral cords of the Vetigastropoda Salvini-Plawen, 1980 from the Maastrichtian of the Paris Basin. A–C.?Tectus acmantensis sp. nov. A. Holotype MNHN.F.FA66744, BE, lateral view. B. Paratype UPMC.PAL 2017.15.1a, BE, lateral view. C. Paratype UPMC.PAL 2017.15.1b, BE, lateral view. — D.?Tectus fraterculus sp. nov., holotype MNHN.F.C02629, VGM, lateral view. — E.?Tectus montissanctipetri (Binkhorst, 1861) from Maastricht (The Netherlands) for comparison. E1. Original figure of Binkhorst (1861: pl. 5a1 fig. 10a apertural view. E 2. Detailed figure of Binkhorst (1861: pl. 5a1 10c) of the spiral sculpture. Localities: BE = Esmans (bois d’Esmans); VGM = Vertus (Grand Mont). Scale bars = 5 mm. Credits: B, D = L. Cazes (MNHN/CNRS); A, C = P. Loubry (MNHN/CNRS).	2026-08-07	Merle, Didier		Zenodo	biologists	Merle, Didier			
F12B8A1C7E7BFF9213D6FC2FFBB19262.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/21839680/files/figure.png	https://doi.org/10.5281/zenodo.21839680	Fig. 11. Cerithioidea J. Fleming, 1822 from the Maastrichtian of the Paris Basin. A–F. Rhinoclavis parvisulcatus sp. nov. A. Holotype MNHN.F.C02634, MA. B. Paratype MNHN.F.C02637, MA. C. Paratype MNHN.F.C02639, VGM. D. Paratype MNHN.F.C02635, MA. E–F. Paratype MNHN.F.A66753, MA. — G. Pseudoaluco sp., MNHN.F.A66755, MA. — H–J.?Vicinocerithium heberti n. sp. H. Paratype MNHN.F.A66749, MA. I. Holotype MNHN.F.A66750, MA. J. Paratype MNHN.F.C02641, MA. — K–L.?Vicinocerithium sp. K. MNHN.F.A66751, MA. L. MNHN.F.C02651, VGM. — M–O. Granulolabium cretaceum sp. nov. M. Paratype MNHN.FC02652, VGM. N. Paratype MNHN.F.C02653, VGM. O. Holotype MNHN.F.C02654, MA. Localities: MA = Bergères-lès-Vertus (Mont Aimé); VGM = Vertus (Grand Mont). Scale bars = 5 mm. Credits = P. Loubry (MNHN/CNRS).	Fig. 11. Cerithioidea J. Fleming, 1822 from the Maastrichtian of the Paris Basin. A–F. Rhinoclavis parvisulcatus sp. nov. A. Holotype MNHN.F.C02634, MA. B. Paratype MNHN.F.C02637, MA. C. Paratype MNHN.F.C02639, VGM. D. Paratype MNHN.F.C02635, MA. E–F. Paratype MNHN.F.A66753, MA. — G. Pseudoaluco sp., MNHN.F.A66755, MA. — H–J.?Vicinocerithium heberti n. sp. H. Paratype MNHN.F.A66749, MA. I. Holotype MNHN.F.A66750, MA. J. Paratype MNHN.F.C02641, MA. — K–L.?Vicinocerithium sp. K. MNHN.F.A66751, MA. L. MNHN.F.C02651, VGM. — M–O. Granulolabium cretaceum sp. nov. M. Paratype MNHN.FC02652, VGM. N. Paratype MNHN.F.C02653, VGM. O. Holotype MNHN.F.C02654, MA. Localities: MA = Bergères-lès-Vertus (Mont Aimé); VGM = Vertus (Grand Mont). Scale bars = 5 mm. Credits = P. Loubry (MNHN/CNRS).	2026-08-07	Merle, Didier		Zenodo	biologists	Merle, Didier			
F12B8A1C7E7BFF9213D6FC2FFBB19262.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/21839684/files/figure.png	https://doi.org/10.5281/zenodo.21839684	Fig. 12. Analysis of the spiral cords of Pseudoaluco B.L. Clark, 1946,?Vicinocerithium E. Wood, 1910 and Granulolabium Cossmann, 1889 from the Maastrichtian of the Paris Basin. A. Pseudoaluco sp., MNHN.F.A66755, MA. — B–C.?Vicinoceritium heberti sp. nov. B. Paratype MNHN.F.C02641, MA. C. Holotype MNHN.F.A66750, MA. — D.?Vicinocerithium sp., MNHN.F.A66751, MA. — E–F. Granulolabium cretaceum sp. nov. E. Paratype MNHN.F.C02653, VGM. F. Paratype MNHN.F.C02652, VGM. Localities: MA = Bergères-lès-Vertus (Mont Aimé); VGM = Vertus (Grand Mont). Scale bars = 5 mm. Credits = P. Loubry (MNHN/CNRS).	Fig. 12. Analysis of the spiral cords of Pseudoaluco B.L. Clark, 1946,?Vicinocerithium E. Wood, 1910 and Granulolabium Cossmann, 1889 from the Maastrichtian of the Paris Basin. A. Pseudoaluco sp., MNHN.F.A66755, MA. — B–C.?Vicinoceritium heberti sp. nov. B. Paratype MNHN.F.C02641, MA. C. Holotype MNHN.F.A66750, MA. — D.?Vicinocerithium sp., MNHN.F.A66751, MA. — E–F. Granulolabium cretaceum sp. nov. E. Paratype MNHN.F.C02653, VGM. F. Paratype MNHN.F.C02652, VGM. Localities: MA = Bergères-lès-Vertus (Mont Aimé); VGM = Vertus (Grand Mont). Scale bars = 5 mm. Credits = P. Loubry (MNHN/CNRS).	2026-08-07	Merle, Didier		Zenodo	biologists	Merle, Didier			
F12B8A1C7E7AFF951303FD7EFDBA9701.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/21839680/files/figure.png	https://doi.org/10.5281/zenodo.21839680	Fig. 11. Cerithioidea J. Fleming, 1822 from the Maastrichtian of the Paris Basin. A–F. Rhinoclavis parvisulcatus sp. nov. A. Holotype MNHN.F.C02634, MA. B. Paratype MNHN.F.C02637, MA. C. Paratype MNHN.F.C02639, VGM. D. Paratype MNHN.F.C02635, MA. E–F. Paratype MNHN.F.A66753, MA. — G. Pseudoaluco sp., MNHN.F.A66755, MA. — H–J.?Vicinocerithium heberti n. sp. H. Paratype MNHN.F.A66749, MA. I. Holotype MNHN.F.A66750, MA. J. Paratype MNHN.F.C02641, MA. — K–L.?Vicinocerithium sp. K. MNHN.F.A66751, MA. L. MNHN.F.C02651, VGM. — M–O. Granulolabium cretaceum sp. nov. M. Paratype MNHN.FC02652, VGM. N. Paratype MNHN.F.C02653, VGM. O. Holotype MNHN.F.C02654, MA. Localities: MA = Bergères-lès-Vertus (Mont Aimé); VGM = Vertus (Grand Mont). Scale bars = 5 mm. Credits = P. Loubry (MNHN/CNRS).	Fig. 11. Cerithioidea J. Fleming, 1822 from the Maastrichtian of the Paris Basin. A–F. Rhinoclavis parvisulcatus sp. nov. A. Holotype MNHN.F.C02634, MA. B. Paratype MNHN.F.C02637, MA. C. Paratype MNHN.F.C02639, VGM. D. Paratype MNHN.F.C02635, MA. E–F. Paratype MNHN.F.A66753, MA. — G. Pseudoaluco sp., MNHN.F.A66755, MA. — H–J.?Vicinocerithium heberti n. sp. H. Paratype MNHN.F.A66749, MA. I. Holotype MNHN.F.A66750, MA. J. Paratype MNHN.F.C02641, MA. — K–L.?Vicinocerithium sp. K. MNHN.F.A66751, MA. L. MNHN.F.C02651, VGM. — M–O. Granulolabium cretaceum sp. nov. M. Paratype MNHN.FC02652, VGM. N. Paratype MNHN.F.C02653, VGM. O. Holotype MNHN.F.C02654, MA. Localities: MA = Bergères-lès-Vertus (Mont Aimé); VGM = Vertus (Grand Mont). Scale bars = 5 mm. Credits = P. Loubry (MNHN/CNRS).	2026-08-07	Merle, Didier		Zenodo	biologists	Merle, Didier			
F12B8A1C7E7AFF951303FD7EFDBA9701.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/21839684/files/figure.png	https://doi.org/10.5281/zenodo.21839684	Fig. 12. Analysis of the spiral cords of Pseudoaluco B.L. Clark, 1946,?Vicinocerithium E. Wood, 1910 and Granulolabium Cossmann, 1889 from the Maastrichtian of the Paris Basin. A. Pseudoaluco sp., MNHN.F.A66755, MA. — B–C.?Vicinoceritium heberti sp. nov. B. Paratype MNHN.F.C02641, MA. C. Holotype MNHN.F.A66750, MA. — D.?Vicinocerithium sp., MNHN.F.A66751, MA. — E–F. Granulolabium cretaceum sp. nov. E. Paratype MNHN.F.C02653, VGM. F. Paratype MNHN.F.C02652, VGM. Localities: MA = Bergères-lès-Vertus (Mont Aimé); VGM = Vertus (Grand Mont). Scale bars = 5 mm. Credits = P. Loubry (MNHN/CNRS).	Fig. 12. Analysis of the spiral cords of Pseudoaluco B.L. Clark, 1946,?Vicinocerithium E. Wood, 1910 and Granulolabium Cossmann, 1889 from the Maastrichtian of the Paris Basin. A. Pseudoaluco sp., MNHN.F.A66755, MA. — B–C.?Vicinoceritium heberti sp. nov. B. Paratype MNHN.F.C02641, MA. C. Holotype MNHN.F.A66750, MA. — D.?Vicinocerithium sp., MNHN.F.A66751, MA. — E–F. Granulolabium cretaceum sp. nov. E. Paratype MNHN.F.C02653, VGM. F. Paratype MNHN.F.C02652, VGM. Localities: MA = Bergères-lès-Vertus (Mont Aimé); VGM = Vertus (Grand Mont). Scale bars = 5 mm. Credits = P. Loubry (MNHN/CNRS).	2026-08-07	Merle, Didier		Zenodo	biologists	Merle, Didier			
F12B8A1C7E7DFF971315F9C3FDBA95F3.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/21839687/files/figure.png	https://doi.org/10.5281/zenodo.21839687	Fig. 13. Analysis of the spiral cords of Haustator bergierensis sp. nov. from the Maastrichtian of the Paris Basin. A. Holotype MNHN.F.C02655, MA. B–D. Paratypes. B. MNHN.F.C02656, MA. C. MNHN.F.C02657, MA. D. MNHN.F. C02658, MA. Locality: MA = Bergères-lès-Vertus (Mont Aimé). Scale bars: A–C = 5 mm; D = 2 mm. Credits = P. Loubry (MNHN/CNRS).	Fig. 13. Analysis of the spiral cords of Haustator bergierensis sp. nov. from the Maastrichtian of the Paris Basin. A. Holotype MNHN.F.C02655, MA. B–D. Paratypes. B. MNHN.F.C02656, MA. C. MNHN.F.C02657, MA. D. MNHN.F. C02658, MA. Locality: MA = Bergères-lès-Vertus (Mont Aimé). Scale bars: A–C = 5 mm; D = 2 mm. Credits = P. Loubry (MNHN/CNRS).	2026-08-07	Merle, Didier		Zenodo	biologists	Merle, Didier			
F12B8A1C7E7DFF971315F9C3FDBA95F3.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/21839691/files/figure.png	https://doi.org/10.5281/zenodo.21839691	Fig. 14. Caenogastropoda L.R. Cox, 1960 and Neogastropoda Wenz, 1938 from the Maastrichtian of the Paris Basin. A–E. Haustator bergierensis sp. nov. A. Holotype MNHN.F.C02655, MA. B. Paratype MNHN.F. C02656, MA. C. Paratype MNHN.F.C02657, MA. D. Paratype MNHN.F.C02658, MA. E. Paratype MNHN.F.C02659, MA. — F. Haustator sp., MNHN.F.C02671, MA. — G. Campanile (s. str.) sp., MNHN.F.C02672, MA. — H–I. Sveltella binkhorsti sp. nov. H. Holotype MNHN.F.C02675, VGM. I. Paratype MNHN.F.C02676, VGM. — J–K. Fusinus bouchardae sp. nov., holotype MNHN.F.C02677, VGM. — L–M.?Pseudopisania cretacea sp. nov., holotype MNHN.F.C02684, VGM. — N–O. Popenoeum ambiguum (Binkhorst, 1861), MNHN.F.C02685, VGM. — P. Volutomorpha sp., MNHN.F.C02682, MA. Localities: MA = Bergères-lès-Vertus (Mont Aimé); VGM = Vertus (Grand Mont). Scale bars: A–F, H–P = 5 mm; G = 50 mm. Credits = P. Loubry (MNHN/CNRS).	Fig. 14. Caenogastropoda L.R. Cox, 1960 and Neogastropoda Wenz, 1938 from the Maastrichtian of the Paris Basin. A–E. Haustator bergierensis sp. nov. A. Holotype MNHN.F.C02655, MA. B. Paratype MNHN.F. C02656, MA. C. Paratype MNHN.F.C02657, MA. D. Paratype MNHN.F.C02658, MA. E. Paratype MNHN.F.C02659, MA. — F. Haustator sp., MNHN.F.C02671, MA. — G. Campanile (s. str.) sp., MNHN.F.C02672, MA. — H–I. Sveltella binkhorsti sp. nov. H. Holotype MNHN.F.C02675, VGM. I. Paratype MNHN.F.C02676, VGM. — J–K. Fusinus bouchardae sp. nov., holotype MNHN.F.C02677, VGM. — L–M.?Pseudopisania cretacea sp. nov., holotype MNHN.F.C02684, VGM. — N–O. Popenoeum ambiguum (Binkhorst, 1861), MNHN.F.C02685, VGM. — P. Volutomorpha sp., MNHN.F.C02682, MA. Localities: MA = Bergères-lès-Vertus (Mont Aimé); VGM = Vertus (Grand Mont). Scale bars: A–F, H–P = 5 mm; G = 50 mm. Credits = P. Loubry (MNHN/CNRS).	2026-08-07	Merle, Didier		Zenodo	biologists	Merle, Didier			
F12B8A1C7E7FFF961382F932FDFC91C6.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/21839691/files/figure.png	https://doi.org/10.5281/zenodo.21839691	Fig. 14. Caenogastropoda L.R. Cox, 1960 and Neogastropoda Wenz, 1938 from the Maastrichtian of the Paris Basin. A–E. Haustator bergierensis sp. nov. A. Holotype MNHN.F.C02655, MA. B. Paratype MNHN.F. C02656, MA. C. Paratype MNHN.F.C02657, MA. D. Paratype MNHN.F.C02658, MA. E. Paratype MNHN.F.C02659, MA. — F. Haustator sp., MNHN.F.C02671, MA. — G. Campanile (s. str.) sp., MNHN.F.C02672, MA. — H–I. Sveltella binkhorsti sp. nov. H. Holotype MNHN.F.C02675, VGM. I. Paratype MNHN.F.C02676, VGM. — J–K. Fusinus bouchardae sp. nov., holotype MNHN.F.C02677, VGM. — L–M.?Pseudopisania cretacea sp. nov., holotype MNHN.F.C02684, VGM. — N–O. Popenoeum ambiguum (Binkhorst, 1861), MNHN.F.C02685, VGM. — P. Volutomorpha sp., MNHN.F.C02682, MA. Localities: MA = Bergères-lès-Vertus (Mont Aimé); VGM = Vertus (Grand Mont). Scale bars: A–F, H–P = 5 mm; G = 50 mm. Credits = P. Loubry (MNHN/CNRS).	Fig. 14. Caenogastropoda L.R. Cox, 1960 and Neogastropoda Wenz, 1938 from the Maastrichtian of the Paris Basin. A–E. Haustator bergierensis sp. nov. A. Holotype MNHN.F.C02655, MA. B. Paratype MNHN.F. C02656, MA. C. Paratype MNHN.F.C02657, MA. D. Paratype MNHN.F.C02658, MA. E. Paratype MNHN.F.C02659, MA. — F. Haustator sp., MNHN.F.C02671, MA. — G. Campanile (s. str.) sp., MNHN.F.C02672, MA. — H–I. Sveltella binkhorsti sp. nov. H. Holotype MNHN.F.C02675, VGM. I. Paratype MNHN.F.C02676, VGM. — J–K. Fusinus bouchardae sp. nov., holotype MNHN.F.C02677, VGM. — L–M.?Pseudopisania cretacea sp. nov., holotype MNHN.F.C02684, VGM. — N–O. Popenoeum ambiguum (Binkhorst, 1861), MNHN.F.C02685, VGM. — P. Volutomorpha sp., MNHN.F.C02682, MA. Localities: MA = Bergères-lès-Vertus (Mont Aimé); VGM = Vertus (Grand Mont). Scale bars: A–F, H–P = 5 mm; G = 50 mm. Credits = P. Loubry (MNHN/CNRS).	2026-08-07	Merle, Didier		Zenodo	biologists	Merle, Didier			
F12B8A1C7E7EFF98133EFB3FFAED917D.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/21839691/files/figure.png	https://doi.org/10.5281/zenodo.21839691	Fig. 14. Caenogastropoda L.R. Cox, 1960 and Neogastropoda Wenz, 1938 from the Maastrichtian of the Paris Basin. A–E. Haustator bergierensis sp. nov. A. Holotype MNHN.F.C02655, MA. B. Paratype MNHN.F. C02656, MA. C. Paratype MNHN.F.C02657, MA. D. Paratype MNHN.F.C02658, MA. E. Paratype MNHN.F.C02659, MA. — F. Haustator sp., MNHN.F.C02671, MA. — G. Campanile (s. str.) sp., MNHN.F.C02672, MA. — H–I. Sveltella binkhorsti sp. nov. H. Holotype MNHN.F.C02675, VGM. I. Paratype MNHN.F.C02676, VGM. — J–K. Fusinus bouchardae sp. nov., holotype MNHN.F.C02677, VGM. — L–M.?Pseudopisania cretacea sp. nov., holotype MNHN.F.C02684, VGM. — N–O. Popenoeum ambiguum (Binkhorst, 1861), MNHN.F.C02685, VGM. — P. Volutomorpha sp., MNHN.F.C02682, MA. Localities: MA = Bergères-lès-Vertus (Mont Aimé); VGM = Vertus (Grand Mont). Scale bars: A–F, H–P = 5 mm; G = 50 mm. Credits = P. Loubry (MNHN/CNRS).	Fig. 14. Caenogastropoda L.R. Cox, 1960 and Neogastropoda Wenz, 1938 from the Maastrichtian of the Paris Basin. A–E. Haustator bergierensis sp. nov. A. Holotype MNHN.F.C02655, MA. B. Paratype MNHN.F. C02656, MA. C. Paratype MNHN.F.C02657, MA. D. Paratype MNHN.F.C02658, MA. E. Paratype MNHN.F.C02659, MA. — F. Haustator sp., MNHN.F.C02671, MA. — G. Campanile (s. str.) sp., MNHN.F.C02672, MA. — H–I. Sveltella binkhorsti sp. nov. H. Holotype MNHN.F.C02675, VGM. I. Paratype MNHN.F.C02676, VGM. — J–K. Fusinus bouchardae sp. nov., holotype MNHN.F.C02677, VGM. — L–M.?Pseudopisania cretacea sp. nov., holotype MNHN.F.C02684, VGM. — N–O. Popenoeum ambiguum (Binkhorst, 1861), MNHN.F.C02685, VGM. — P. Volutomorpha sp., MNHN.F.C02682, MA. Localities: MA = Bergères-lès-Vertus (Mont Aimé); VGM = Vertus (Grand Mont). Scale bars: A–F, H–P = 5 mm; G = 50 mm. Credits = P. Loubry (MNHN/CNRS).	2026-08-07	Merle, Didier		Zenodo	biologists	Merle, Didier			
F12B8A1C7E70FF9B133EFB4CFDBA97E6.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/21839691/files/figure.png	https://doi.org/10.5281/zenodo.21839691	Fig. 14. Caenogastropoda L.R. Cox, 1960 and Neogastropoda Wenz, 1938 from the Maastrichtian of the Paris Basin. A–E. Haustator bergierensis sp. nov. A. Holotype MNHN.F.C02655, MA. B. Paratype MNHN.F. C02656, MA. C. Paratype MNHN.F.C02657, MA. D. Paratype MNHN.F.C02658, MA. E. Paratype MNHN.F.C02659, MA. — F. Haustator sp., MNHN.F.C02671, MA. — G. Campanile (s. str.) sp., MNHN.F.C02672, MA. — H–I. Sveltella binkhorsti sp. nov. H. Holotype MNHN.F.C02675, VGM. I. Paratype MNHN.F.C02676, VGM. — J–K. Fusinus bouchardae sp. nov., holotype MNHN.F.C02677, VGM. — L–M.?Pseudopisania cretacea sp. nov., holotype MNHN.F.C02684, VGM. — N–O. Popenoeum ambiguum (Binkhorst, 1861), MNHN.F.C02685, VGM. — P. Volutomorpha sp., MNHN.F.C02682, MA. Localities: MA = Bergères-lès-Vertus (Mont Aimé); VGM = Vertus (Grand Mont). Scale bars: A–F, H–P = 5 mm; G = 50 mm. Credits = P. Loubry (MNHN/CNRS).	Fig. 14. Caenogastropoda L.R. Cox, 1960 and Neogastropoda Wenz, 1938 from the Maastrichtian of the Paris Basin. A–E. Haustator bergierensis sp. nov. A. Holotype MNHN.F.C02655, MA. B. Paratype MNHN.F. C02656, MA. C. Paratype MNHN.F.C02657, MA. D. Paratype MNHN.F.C02658, MA. E. Paratype MNHN.F.C02659, MA. — F. Haustator sp., MNHN.F.C02671, MA. — G. Campanile (s. str.) sp., MNHN.F.C02672, MA. — H–I. Sveltella binkhorsti sp. nov. H. Holotype MNHN.F.C02675, VGM. I. Paratype MNHN.F.C02676, VGM. — J–K. Fusinus bouchardae sp. nov., holotype MNHN.F.C02677, VGM. — L–M.?Pseudopisania cretacea sp. nov., holotype MNHN.F.C02684, VGM. — N–O. Popenoeum ambiguum (Binkhorst, 1861), MNHN.F.C02685, VGM. — P. Volutomorpha sp., MNHN.F.C02682, MA. Localities: MA = Bergères-lès-Vertus (Mont Aimé); VGM = Vertus (Grand Mont). Scale bars: A–F, H–P = 5 mm; G = 50 mm. Credits = P. Loubry (MNHN/CNRS).	2026-08-07	Merle, Didier		Zenodo	biologists	Merle, Didier			
F12B8A1C7E73FF9A1326F963FDBA9445.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/21839691/files/figure.png	https://doi.org/10.5281/zenodo.21839691	Fig. 14. Caenogastropoda L.R. Cox, 1960 and Neogastropoda Wenz, 1938 from the Maastrichtian of the Paris Basin. A–E. Haustator bergierensis sp. nov. A. Holotype MNHN.F.C02655, MA. B. Paratype MNHN.F. C02656, MA. C. Paratype MNHN.F.C02657, MA. D. Paratype MNHN.F.C02658, MA. E. Paratype MNHN.F.C02659, MA. — F. Haustator sp., MNHN.F.C02671, MA. — G. Campanile (s. str.) sp., MNHN.F.C02672, MA. — H–I. Sveltella binkhorsti sp. nov. H. Holotype MNHN.F.C02675, VGM. I. Paratype MNHN.F.C02676, VGM. — J–K. Fusinus bouchardae sp. nov., holotype MNHN.F.C02677, VGM. — L–M.?Pseudopisania cretacea sp. nov., holotype MNHN.F.C02684, VGM. — N–O. Popenoeum ambiguum (Binkhorst, 1861), MNHN.F.C02685, VGM. — P. Volutomorpha sp., MNHN.F.C02682, MA. Localities: MA = Bergères-lès-Vertus (Mont Aimé); VGM = Vertus (Grand Mont). Scale bars: A–F, H–P = 5 mm; G = 50 mm. Credits = P. Loubry (MNHN/CNRS).	Fig. 14. Caenogastropoda L.R. Cox, 1960 and Neogastropoda Wenz, 1938 from the Maastrichtian of the Paris Basin. A–E. Haustator bergierensis sp. nov. A. Holotype MNHN.F.C02655, MA. B. Paratype MNHN.F. C02656, MA. C. Paratype MNHN.F.C02657, MA. D. Paratype MNHN.F.C02658, MA. E. Paratype MNHN.F.C02659, MA. — F. Haustator sp., MNHN.F.C02671, MA. — G. Campanile (s. str.) sp., MNHN.F.C02672, MA. — H–I. Sveltella binkhorsti sp. nov. H. Holotype MNHN.F.C02675, VGM. I. Paratype MNHN.F.C02676, VGM. — J–K. Fusinus bouchardae sp. nov., holotype MNHN.F.C02677, VGM. — L–M.?Pseudopisania cretacea sp. nov., holotype MNHN.F.C02684, VGM. — N–O. Popenoeum ambiguum (Binkhorst, 1861), MNHN.F.C02685, VGM. — P. Volutomorpha sp., MNHN.F.C02682, MA. Localities: MA = Bergères-lès-Vertus (Mont Aimé); VGM = Vertus (Grand Mont). Scale bars: A–F, H–P = 5 mm; G = 50 mm. Credits = P. Loubry (MNHN/CNRS).	2026-08-07	Merle, Didier		Zenodo	biologists	Merle, Didier			
F12B8A1C7E75FF9C1319FD43FDBA9276.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/21839691/files/figure.png	https://doi.org/10.5281/zenodo.21839691	Fig. 14. Caenogastropoda L.R. Cox, 1960 and Neogastropoda Wenz, 1938 from the Maastrichtian of the Paris Basin. A–E. Haustator bergierensis sp. nov. A. Holotype MNHN.F.C02655, MA. B. Paratype MNHN.F. C02656, MA. C. Paratype MNHN.F.C02657, MA. D. Paratype MNHN.F.C02658, MA. E. Paratype MNHN.F.C02659, MA. — F. Haustator sp., MNHN.F.C02671, MA. — G. Campanile (s. str.) sp., MNHN.F.C02672, MA. — H–I. Sveltella binkhorsti sp. nov. H. Holotype MNHN.F.C02675, VGM. I. Paratype MNHN.F.C02676, VGM. — J–K. Fusinus bouchardae sp. nov., holotype MNHN.F.C02677, VGM. — L–M.?Pseudopisania cretacea sp. nov., holotype MNHN.F.C02684, VGM. — N–O. Popenoeum ambiguum (Binkhorst, 1861), MNHN.F.C02685, VGM. — P. Volutomorpha sp., MNHN.F.C02682, MA. Localities: MA = Bergères-lès-Vertus (Mont Aimé); VGM = Vertus (Grand Mont). Scale bars: A–F, H–P = 5 mm; G = 50 mm. Credits = P. Loubry (MNHN/CNRS).	Fig. 14. Caenogastropoda L.R. Cox, 1960 and Neogastropoda Wenz, 1938 from the Maastrichtian of the Paris Basin. A–E. Haustator bergierensis sp. nov. A. Holotype MNHN.F.C02655, MA. B. Paratype MNHN.F. C02656, MA. C. Paratype MNHN.F.C02657, MA. D. Paratype MNHN.F.C02658, MA. E. Paratype MNHN.F.C02659, MA. — F. Haustator sp., MNHN.F.C02671, MA. — G. Campanile (s. str.) sp., MNHN.F.C02672, MA. — H–I. Sveltella binkhorsti sp. nov. H. Holotype MNHN.F.C02675, VGM. I. Paratype MNHN.F.C02676, VGM. — J–K. Fusinus bouchardae sp. nov., holotype MNHN.F.C02677, VGM. — L–M.?Pseudopisania cretacea sp. nov., holotype MNHN.F.C02684, VGM. — N–O. Popenoeum ambiguum (Binkhorst, 1861), MNHN.F.C02685, VGM. — P. Volutomorpha sp., MNHN.F.C02682, MA. Localities: MA = Bergères-lès-Vertus (Mont Aimé); VGM = Vertus (Grand Mont). Scale bars: A–F, H–P = 5 mm; G = 50 mm. Credits = P. Loubry (MNHN/CNRS).	2026-08-07	Merle, Didier		Zenodo	biologists	Merle, Didier			
F12B8A1C7E74FF9F136BFC89FA809047.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/21839691/files/figure.png	https://doi.org/10.5281/zenodo.21839691	Fig. 14. Caenogastropoda L.R. Cox, 1960 and Neogastropoda Wenz, 1938 from the Maastrichtian of the Paris Basin. A–E. Haustator bergierensis sp. nov. A. Holotype MNHN.F.C02655, MA. B. Paratype MNHN.F. C02656, MA. C. Paratype MNHN.F.C02657, MA. D. Paratype MNHN.F.C02658, MA. E. Paratype MNHN.F.C02659, MA. — F. Haustator sp., MNHN.F.C02671, MA. — G. Campanile (s. str.) sp., MNHN.F.C02672, MA. — H–I. Sveltella binkhorsti sp. nov. H. Holotype MNHN.F.C02675, VGM. I. Paratype MNHN.F.C02676, VGM. — J–K. Fusinus bouchardae sp. nov., holotype MNHN.F.C02677, VGM. — L–M.?Pseudopisania cretacea sp. nov., holotype MNHN.F.C02684, VGM. — N–O. Popenoeum ambiguum (Binkhorst, 1861), MNHN.F.C02685, VGM. — P. Volutomorpha sp., MNHN.F.C02682, MA. Localities: MA = Bergères-lès-Vertus (Mont Aimé); VGM = Vertus (Grand Mont). Scale bars: A–F, H–P = 5 mm; G = 50 mm. Credits = P. Loubry (MNHN/CNRS).	Fig. 14. Caenogastropoda L.R. Cox, 1960 and Neogastropoda Wenz, 1938 from the Maastrichtian of the Paris Basin. A–E. Haustator bergierensis sp. nov. A. Holotype MNHN.F.C02655, MA. B. Paratype MNHN.F. C02656, MA. C. Paratype MNHN.F.C02657, MA. D. Paratype MNHN.F.C02658, MA. E. Paratype MNHN.F.C02659, MA. — F. Haustator sp., MNHN.F.C02671, MA. — G. Campanile (s. str.) sp., MNHN.F.C02672, MA. — H–I. Sveltella binkhorsti sp. nov. H. Holotype MNHN.F.C02675, VGM. I. Paratype MNHN.F.C02676, VGM. — J–K. Fusinus bouchardae sp. nov., holotype MNHN.F.C02677, VGM. — L–M.?Pseudopisania cretacea sp. nov., holotype MNHN.F.C02684, VGM. — N–O. Popenoeum ambiguum (Binkhorst, 1861), MNHN.F.C02685, VGM. — P. Volutomorpha sp., MNHN.F.C02682, MA. Localities: MA = Bergères-lès-Vertus (Mont Aimé); VGM = Vertus (Grand Mont). Scale bars: A–F, H–P = 5 mm; G = 50 mm. Credits = P. Loubry (MNHN/CNRS).	2026-08-07	Merle, Didier		Zenodo	biologists	Merle, Didier			
F12B8A1C7E77FF9E13E5FA9AFEE992FA.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/21839691/files/figure.png	https://doi.org/10.5281/zenodo.21839691	Fig. 14. Caenogastropoda L.R. Cox, 1960 and Neogastropoda Wenz, 1938 from the Maastrichtian of the Paris Basin. A–E. Haustator bergierensis sp. nov. A. Holotype MNHN.F.C02655, MA. B. Paratype MNHN.F. C02656, MA. C. Paratype MNHN.F.C02657, MA. D. Paratype MNHN.F.C02658, MA. E. Paratype MNHN.F.C02659, MA. — F. Haustator sp., MNHN.F.C02671, MA. — G. Campanile (s. str.) sp., MNHN.F.C02672, MA. — H–I. Sveltella binkhorsti sp. nov. H. Holotype MNHN.F.C02675, VGM. I. Paratype MNHN.F.C02676, VGM. — J–K. Fusinus bouchardae sp. nov., holotype MNHN.F.C02677, VGM. — L–M.?Pseudopisania cretacea sp. nov., holotype MNHN.F.C02684, VGM. — N–O. Popenoeum ambiguum (Binkhorst, 1861), MNHN.F.C02685, VGM. — P. Volutomorpha sp., MNHN.F.C02682, MA. Localities: MA = Bergères-lès-Vertus (Mont Aimé); VGM = Vertus (Grand Mont). Scale bars: A–F, H–P = 5 mm; G = 50 mm. Credits = P. Loubry (MNHN/CNRS).	Fig. 14. Caenogastropoda L.R. Cox, 1960 and Neogastropoda Wenz, 1938 from the Maastrichtian of the Paris Basin. A–E. Haustator bergierensis sp. nov. A. Holotype MNHN.F.C02655, MA. B. Paratype MNHN.F. C02656, MA. C. Paratype MNHN.F.C02657, MA. D. Paratype MNHN.F.C02658, MA. E. Paratype MNHN.F.C02659, MA. — F. Haustator sp., MNHN.F.C02671, MA. — G. Campanile (s. str.) sp., MNHN.F.C02672, MA. — H–I. Sveltella binkhorsti sp. nov. H. Holotype MNHN.F.C02675, VGM. I. Paratype MNHN.F.C02676, VGM. — J–K. Fusinus bouchardae sp. nov., holotype MNHN.F.C02677, VGM. — L–M.?Pseudopisania cretacea sp. nov., holotype MNHN.F.C02684, VGM. — N–O. Popenoeum ambiguum (Binkhorst, 1861), MNHN.F.C02685, VGM. — P. Volutomorpha sp., MNHN.F.C02682, MA. Localities: MA = Bergères-lès-Vertus (Mont Aimé); VGM = Vertus (Grand Mont). Scale bars: A–F, H–P = 5 mm; G = 50 mm. Credits = P. Loubry (MNHN/CNRS).	2026-08-07	Merle, Didier		Zenodo	biologists	Merle, Didier			
F12B8A1C7E76FF811348FADAFEF39144.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/21839695/files/figure.png	https://doi.org/10.5281/zenodo.21839695	Fig. 15. Caenogastropoda L.R. Cox, 1960 indet. from the Maastrichtian of the Paris Basin. A. Caenogastropoda indet. 1 (?ampullinid shape), MNHN.F.C02673, VGM. — B. Caenogastropoda indet. 2 (?calyptraeid shape), MNHN.F.C02674, VGM. — C. Caenogastropoda indet. 3 (?volutid shape), MNHN.F.A66758, MA. — D. Caenogastropoda indet. 4 (?volutid/cancellariid shape), MNHN.F.C02683, MA. — E. Caenogastropoda indet. 5 (?turrid/aporrhaid shape), MNHN.F.C02678, VGM. — F. Caenogastropoda indet. 6 (?turrid/aporrhaid shape), MNHN.F.C02679, MA. — G. Caenogastropoda indet. 7 (?turrid/aporrhaid shape), MNHN.F.C02680, VGM. Localities: MA = Bergères-lès-Vertus (Mont Aimé); VGM = Vertus (Grand Mont). Scale bars = 5 mm. Credits = P. Loubry (MNHN/CNRS).	Fig. 15. Caenogastropoda L.R. Cox, 1960 indet. from the Maastrichtian of the Paris Basin. A. Caenogastropoda indet. 1 (?ampullinid shape), MNHN.F.C02673, VGM. — B. Caenogastropoda indet. 2 (?calyptraeid shape), MNHN.F.C02674, VGM. — C. Caenogastropoda indet. 3 (?volutid shape), MNHN.F.A66758, MA. — D. Caenogastropoda indet. 4 (?volutid/cancellariid shape), MNHN.F.C02683, MA. — E. Caenogastropoda indet. 5 (?turrid/aporrhaid shape), MNHN.F.C02678, VGM. — F. Caenogastropoda indet. 6 (?turrid/aporrhaid shape), MNHN.F.C02679, MA. — G. Caenogastropoda indet. 7 (?turrid/aporrhaid shape), MNHN.F.C02680, VGM. Localities: MA = Bergères-lès-Vertus (Mont Aimé); VGM = Vertus (Grand Mont). Scale bars = 5 mm. Credits = P. Loubry (MNHN/CNRS).	2026-08-07	Merle, Didier		Zenodo	biologists	Merle, Didier			
F12B8A1C7E76FF9E134EFD8AFCD897CB.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/21839695/files/figure.png	https://doi.org/10.5281/zenodo.21839695	Fig. 15. Caenogastropoda L.R. Cox, 1960 indet. from the Maastrichtian of the Paris Basin. A. Caenogastropoda indet. 1 (?ampullinid shape), MNHN.F.C02673, VGM. — B. Caenogastropoda indet. 2 (?calyptraeid shape), MNHN.F.C02674, VGM. — C. Caenogastropoda indet. 3 (?volutid shape), MNHN.F.A66758, MA. — D. Caenogastropoda indet. 4 (?volutid/cancellariid shape), MNHN.F.C02683, MA. — E. Caenogastropoda indet. 5 (?turrid/aporrhaid shape), MNHN.F.C02678, VGM. — F. Caenogastropoda indet. 6 (?turrid/aporrhaid shape), MNHN.F.C02679, MA. — G. Caenogastropoda indet. 7 (?turrid/aporrhaid shape), MNHN.F.C02680, VGM. Localities: MA = Bergères-lès-Vertus (Mont Aimé); VGM = Vertus (Grand Mont). Scale bars = 5 mm. Credits = P. Loubry (MNHN/CNRS).	Fig. 15. Caenogastropoda L.R. Cox, 1960 indet. from the Maastrichtian of the Paris Basin. A. Caenogastropoda indet. 1 (?ampullinid shape), MNHN.F.C02673, VGM. — B. Caenogastropoda indet. 2 (?calyptraeid shape), MNHN.F.C02674, VGM. — C. Caenogastropoda indet. 3 (?volutid shape), MNHN.F.A66758, MA. — D. Caenogastropoda indet. 4 (?volutid/cancellariid shape), MNHN.F.C02683, MA. — E. Caenogastropoda indet. 5 (?turrid/aporrhaid shape), MNHN.F.C02678, VGM. — F. Caenogastropoda indet. 6 (?turrid/aporrhaid shape), MNHN.F.C02679, MA. — G. Caenogastropoda indet. 7 (?turrid/aporrhaid shape), MNHN.F.C02680, VGM. Localities: MA = Bergères-lès-Vertus (Mont Aimé); VGM = Vertus (Grand Mont). Scale bars = 5 mm. Credits = P. Loubry (MNHN/CNRS).	2026-08-07	Merle, Didier		Zenodo	biologists	Merle, Didier			
F12B8A1C7E69FF811350FD4BFAF29677.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/21839695/files/figure.png	https://doi.org/10.5281/zenodo.21839695	Fig. 15. Caenogastropoda L.R. Cox, 1960 indet. from the Maastrichtian of the Paris Basin. A. Caenogastropoda indet. 1 (?ampullinid shape), MNHN.F.C02673, VGM. — B. Caenogastropoda indet. 2 (?calyptraeid shape), MNHN.F.C02674, VGM. — C. Caenogastropoda indet. 3 (?volutid shape), MNHN.F.A66758, MA. — D. Caenogastropoda indet. 4 (?volutid/cancellariid shape), MNHN.F.C02683, MA. — E. Caenogastropoda indet. 5 (?turrid/aporrhaid shape), MNHN.F.C02678, VGM. — F. Caenogastropoda indet. 6 (?turrid/aporrhaid shape), MNHN.F.C02679, MA. — G. Caenogastropoda indet. 7 (?turrid/aporrhaid shape), MNHN.F.C02680, VGM. Localities: MA = Bergères-lès-Vertus (Mont Aimé); VGM = Vertus (Grand Mont). Scale bars = 5 mm. Credits = P. Loubry (MNHN/CNRS).	Fig. 15. Caenogastropoda L.R. Cox, 1960 indet. from the Maastrichtian of the Paris Basin. A. Caenogastropoda indet. 1 (?ampullinid shape), MNHN.F.C02673, VGM. — B. Caenogastropoda indet. 2 (?calyptraeid shape), MNHN.F.C02674, VGM. — C. Caenogastropoda indet. 3 (?volutid shape), MNHN.F.A66758, MA. — D. Caenogastropoda indet. 4 (?volutid/cancellariid shape), MNHN.F.C02683, MA. — E. Caenogastropoda indet. 5 (?turrid/aporrhaid shape), MNHN.F.C02678, VGM. — F. Caenogastropoda indet. 6 (?turrid/aporrhaid shape), MNHN.F.C02679, MA. — G. Caenogastropoda indet. 7 (?turrid/aporrhaid shape), MNHN.F.C02680, VGM. Localities: MA = Bergères-lès-Vertus (Mont Aimé); VGM = Vertus (Grand Mont). Scale bars = 5 mm. Credits = P. Loubry (MNHN/CNRS).	2026-08-07	Merle, Didier		Zenodo	biologists	Merle, Didier			
F12B8A1C7E69FF80109BFAB6FEE2929F.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/21839695/files/figure.png	https://doi.org/10.5281/zenodo.21839695	Fig. 15. Caenogastropoda L.R. Cox, 1960 indet. from the Maastrichtian of the Paris Basin. A. Caenogastropoda indet. 1 (?ampullinid shape), MNHN.F.C02673, VGM. — B. Caenogastropoda indet. 2 (?calyptraeid shape), MNHN.F.C02674, VGM. — C. Caenogastropoda indet. 3 (?volutid shape), MNHN.F.A66758, MA. — D. Caenogastropoda indet. 4 (?volutid/cancellariid shape), MNHN.F.C02683, MA. — E. Caenogastropoda indet. 5 (?turrid/aporrhaid shape), MNHN.F.C02678, VGM. — F. Caenogastropoda indet. 6 (?turrid/aporrhaid shape), MNHN.F.C02679, MA. — G. Caenogastropoda indet. 7 (?turrid/aporrhaid shape), MNHN.F.C02680, VGM. Localities: MA = Bergères-lès-Vertus (Mont Aimé); VGM = Vertus (Grand Mont). Scale bars = 5 mm. Credits = P. Loubry (MNHN/CNRS).	Fig. 15. Caenogastropoda L.R. Cox, 1960 indet. from the Maastrichtian of the Paris Basin. A. Caenogastropoda indet. 1 (?ampullinid shape), MNHN.F.C02673, VGM. — B. Caenogastropoda indet. 2 (?calyptraeid shape), MNHN.F.C02674, VGM. — C. Caenogastropoda indet. 3 (?volutid shape), MNHN.F.A66758, MA. — D. Caenogastropoda indet. 4 (?volutid/cancellariid shape), MNHN.F.C02683, MA. — E. Caenogastropoda indet. 5 (?turrid/aporrhaid shape), MNHN.F.C02678, VGM. — F. Caenogastropoda indet. 6 (?turrid/aporrhaid shape), MNHN.F.C02679, MA. — G. Caenogastropoda indet. 7 (?turrid/aporrhaid shape), MNHN.F.C02680, VGM. Localities: MA = Bergères-lès-Vertus (Mont Aimé); VGM = Vertus (Grand Mont). Scale bars = 5 mm. Credits = P. Loubry (MNHN/CNRS).	2026-08-07	Merle, Didier		Zenodo	biologists	Merle, Didier			
F12B8A1C7E68FF8310ACFE2EFDA9916B.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/21839695/files/figure.png	https://doi.org/10.5281/zenodo.21839695	Fig. 15. Caenogastropoda L.R. Cox, 1960 indet. from the Maastrichtian of the Paris Basin. A. Caenogastropoda indet. 1 (?ampullinid shape), MNHN.F.C02673, VGM. — B. Caenogastropoda indet. 2 (?calyptraeid shape), MNHN.F.C02674, VGM. — C. Caenogastropoda indet. 3 (?volutid shape), MNHN.F.A66758, MA. — D. Caenogastropoda indet. 4 (?volutid/cancellariid shape), MNHN.F.C02683, MA. — E. Caenogastropoda indet. 5 (?turrid/aporrhaid shape), MNHN.F.C02678, VGM. — F. Caenogastropoda indet. 6 (?turrid/aporrhaid shape), MNHN.F.C02679, MA. — G. Caenogastropoda indet. 7 (?turrid/aporrhaid shape), MNHN.F.C02680, VGM. Localities: MA = Bergères-lès-Vertus (Mont Aimé); VGM = Vertus (Grand Mont). Scale bars = 5 mm. Credits = P. Loubry (MNHN/CNRS).	Fig. 15. Caenogastropoda L.R. Cox, 1960 indet. from the Maastrichtian of the Paris Basin. A. Caenogastropoda indet. 1 (?ampullinid shape), MNHN.F.C02673, VGM. — B. Caenogastropoda indet. 2 (?calyptraeid shape), MNHN.F.C02674, VGM. — C. Caenogastropoda indet. 3 (?volutid shape), MNHN.F.A66758, MA. — D. Caenogastropoda indet. 4 (?volutid/cancellariid shape), MNHN.F.C02683, MA. — E. Caenogastropoda indet. 5 (?turrid/aporrhaid shape), MNHN.F.C02678, VGM. — F. Caenogastropoda indet. 6 (?turrid/aporrhaid shape), MNHN.F.C02679, MA. — G. Caenogastropoda indet. 7 (?turrid/aporrhaid shape), MNHN.F.C02680, VGM. Localities: MA = Bergères-lès-Vertus (Mont Aimé); VGM = Vertus (Grand Mont). Scale bars = 5 mm. Credits = P. Loubry (MNHN/CNRS).	2026-08-07	Merle, Didier		Zenodo	biologists	Merle, Didier			
F12B8A1C7E6BFF8310ACFDB9FB67964D.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/21839695/files/figure.png	https://doi.org/10.5281/zenodo.21839695	Fig. 15. Caenogastropoda L.R. Cox, 1960 indet. from the Maastrichtian of the Paris Basin. A. Caenogastropoda indet. 1 (?ampullinid shape), MNHN.F.C02673, VGM. — B. Caenogastropoda indet. 2 (?calyptraeid shape), MNHN.F.C02674, VGM. — C. Caenogastropoda indet. 3 (?volutid shape), MNHN.F.A66758, MA. — D. Caenogastropoda indet. 4 (?volutid/cancellariid shape), MNHN.F.C02683, MA. — E. Caenogastropoda indet. 5 (?turrid/aporrhaid shape), MNHN.F.C02678, VGM. — F. Caenogastropoda indet. 6 (?turrid/aporrhaid shape), MNHN.F.C02679, MA. — G. Caenogastropoda indet. 7 (?turrid/aporrhaid shape), MNHN.F.C02680, VGM. Localities: MA = Bergères-lès-Vertus (Mont Aimé); VGM = Vertus (Grand Mont). Scale bars = 5 mm. Credits = P. Loubry (MNHN/CNRS).	Fig. 15. Caenogastropoda L.R. Cox, 1960 indet. from the Maastrichtian of the Paris Basin. A. Caenogastropoda indet. 1 (?ampullinid shape), MNHN.F.C02673, VGM. — B. Caenogastropoda indet. 2 (?calyptraeid shape), MNHN.F.C02674, VGM. — C. Caenogastropoda indet. 3 (?volutid shape), MNHN.F.A66758, MA. — D. Caenogastropoda indet. 4 (?volutid/cancellariid shape), MNHN.F.C02683, MA. — E. Caenogastropoda indet. 5 (?turrid/aporrhaid shape), MNHN.F.C02678, VGM. — F. Caenogastropoda indet. 6 (?turrid/aporrhaid shape), MNHN.F.C02679, MA. — G. Caenogastropoda indet. 7 (?turrid/aporrhaid shape), MNHN.F.C02680, VGM. Localities: MA = Bergères-lès-Vertus (Mont Aimé); VGM = Vertus (Grand Mont). Scale bars = 5 mm. Credits = P. Loubry (MNHN/CNRS).	2026-08-07	Merle, Didier		Zenodo	biologists	Merle, Didier			
F12B8A1C7E6BFF8210ACFA5CFDBB9138.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/21839695/files/figure.png	https://doi.org/10.5281/zenodo.21839695	Fig. 15. Caenogastropoda L.R. Cox, 1960 indet. from the Maastrichtian of the Paris Basin. A. Caenogastropoda indet. 1 (?ampullinid shape), MNHN.F.C02673, VGM. — B. Caenogastropoda indet. 2 (?calyptraeid shape), MNHN.F.C02674, VGM. — C. Caenogastropoda indet. 3 (?volutid shape), MNHN.F.A66758, MA. — D. Caenogastropoda indet. 4 (?volutid/cancellariid shape), MNHN.F.C02683, MA. — E. Caenogastropoda indet. 5 (?turrid/aporrhaid shape), MNHN.F.C02678, VGM. — F. Caenogastropoda indet. 6 (?turrid/aporrhaid shape), MNHN.F.C02679, MA. — G. Caenogastropoda indet. 7 (?turrid/aporrhaid shape), MNHN.F.C02680, VGM. Localities: MA = Bergères-lès-Vertus (Mont Aimé); VGM = Vertus (Grand Mont). Scale bars = 5 mm. Credits = P. Loubry (MNHN/CNRS).	Fig. 15. Caenogastropoda L.R. Cox, 1960 indet. from the Maastrichtian of the Paris Basin. A. Caenogastropoda indet. 1 (?ampullinid shape), MNHN.F.C02673, VGM. — B. Caenogastropoda indet. 2 (?calyptraeid shape), MNHN.F.C02674, VGM. — C. Caenogastropoda indet. 3 (?volutid shape), MNHN.F.A66758, MA. — D. Caenogastropoda indet. 4 (?volutid/cancellariid shape), MNHN.F.C02683, MA. — E. Caenogastropoda indet. 5 (?turrid/aporrhaid shape), MNHN.F.C02678, VGM. — F. Caenogastropoda indet. 6 (?turrid/aporrhaid shape), MNHN.F.C02679, MA. — G. Caenogastropoda indet. 7 (?turrid/aporrhaid shape), MNHN.F.C02680, VGM. Localities: MA = Bergères-lès-Vertus (Mont Aimé); VGM = Vertus (Grand Mont). Scale bars = 5 mm. Credits = P. Loubry (MNHN/CNRS).	2026-08-07	Merle, Didier		Zenodo	biologists	Merle, Didier			
F12B8A1C7E6AFF8513D3FB9CFDBA9607.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/21839699/files/figure.png	https://doi.org/10.5281/zenodo.21839699	Fig. 16. Bivalvia Linnaeus, 1758 (Nuculoidea Gray, 1824 and Arcoidea Lamarck, 1809) from the Maastrichtian of the Paris Basin. A–D. Nucula bauti sp. nov. A. Holotype MNHN.F.C02688 (RV, IF), VGM. B. Paratype MNHN.F.C02689 (LV, IF), VGM. C. Paratype MNHN.F.C02701 (LV, EF), VGM. D. MNHN.F.C02702 (RV, EF), VGM. — E–H. Arca (s. str.) submontensis sp. nov. E–F. Holotype MNHN.F.C02690 (RV, EF), MA. G. Paratype MNHN.F.A66760 (RV, IF), MA. H. Paratype MNHN.F.C02691 (LV, EF), VGM. — I. Barbatia sp., MNHN.F.A66762 (LV, EF), MA. — J–P. Cucullaearca supracretacea (d’Orbigny, 1850). J. MNHN.F.C02692 (LV, EF), VF. K. MNHN.F.A66761 (fragment of LF, EF), MA. L. MNHN.F.C02693 (LV, EF), MA. M. MNHN.F. C02694 (fragment of RV, EF), VGM. N–O. MNHN.F.C02695 (RV, EF), VGM. P. MNHN.F.C02697 (RV, EF), VGM. Localities: MA = Bergères-lès-Vertus (Mont Aimé); VF = Vertus (Faloise); VGM = Vertus (Grand Mont). Scale bars = 5 mm. Credits = P. Loubry (MNHN/CNRS).	Fig. 16. Bivalvia Linnaeus, 1758 (Nuculoidea Gray, 1824 and Arcoidea Lamarck, 1809) from the Maastrichtian of the Paris Basin. A–D. Nucula bauti sp. nov. A. Holotype MNHN.F.C02688 (RV, IF), VGM. B. Paratype MNHN.F.C02689 (LV, IF), VGM. C. Paratype MNHN.F.C02701 (LV, EF), VGM. D. MNHN.F.C02702 (RV, EF), VGM. — E–H. Arca (s. str.) submontensis sp. nov. E–F. Holotype MNHN.F.C02690 (RV, EF), MA. G. Paratype MNHN.F.A66760 (RV, IF), MA. H. Paratype MNHN.F.C02691 (LV, EF), VGM. — I. Barbatia sp., MNHN.F.A66762 (LV, EF), MA. — J–P. Cucullaearca supracretacea (d’Orbigny, 1850). J. MNHN.F.C02692 (LV, EF), VF. K. MNHN.F.A66761 (fragment of LF, EF), MA. L. MNHN.F.C02693 (LV, EF), MA. M. MNHN.F. C02694 (fragment of RV, EF), VGM. N–O. MNHN.F.C02695 (RV, EF), VGM. P. MNHN.F.C02697 (RV, EF), VGM. Localities: MA = Bergères-lès-Vertus (Mont Aimé); VF = Vertus (Faloise); VGM = Vertus (Grand Mont). Scale bars = 5 mm. Credits = P. Loubry (MNHN/CNRS).	2026-08-07	Merle, Didier		Zenodo	biologists	Merle, Didier			
F12B8A1C7E6CFF861302FEC5FDBA90E6.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/21839699/files/figure.png	https://doi.org/10.5281/zenodo.21839699	Fig. 16. Bivalvia Linnaeus, 1758 (Nuculoidea Gray, 1824 and Arcoidea Lamarck, 1809) from the Maastrichtian of the Paris Basin. A–D. Nucula bauti sp. nov. A. Holotype MNHN.F.C02688 (RV, IF), VGM. B. Paratype MNHN.F.C02689 (LV, IF), VGM. C. Paratype MNHN.F.C02701 (LV, EF), VGM. D. MNHN.F.C02702 (RV, EF), VGM. — E–H. Arca (s. str.) submontensis sp. nov. E–F. Holotype MNHN.F.C02690 (RV, EF), MA. G. Paratype MNHN.F.A66760 (RV, IF), MA. H. Paratype MNHN.F.C02691 (LV, EF), VGM. — I. Barbatia sp., MNHN.F.A66762 (LV, EF), MA. — J–P. Cucullaearca supracretacea (d’Orbigny, 1850). J. MNHN.F.C02692 (LV, EF), VF. K. MNHN.F.A66761 (fragment of LF, EF), MA. L. MNHN.F.C02693 (LV, EF), MA. M. MNHN.F. C02694 (fragment of RV, EF), VGM. N–O. MNHN.F.C02695 (RV, EF), VGM. P. MNHN.F.C02697 (RV, EF), VGM. Localities: MA = Bergères-lès-Vertus (Mont Aimé); VF = Vertus (Faloise); VGM = Vertus (Grand Mont). Scale bars = 5 mm. Credits = P. Loubry (MNHN/CNRS).	Fig. 16. Bivalvia Linnaeus, 1758 (Nuculoidea Gray, 1824 and Arcoidea Lamarck, 1809) from the Maastrichtian of the Paris Basin. A–D. Nucula bauti sp. nov. A. Holotype MNHN.F.C02688 (RV, IF), VGM. B. Paratype MNHN.F.C02689 (LV, IF), VGM. C. Paratype MNHN.F.C02701 (LV, EF), VGM. D. MNHN.F.C02702 (RV, EF), VGM. — E–H. Arca (s. str.) submontensis sp. nov. E–F. Holotype MNHN.F.C02690 (RV, EF), MA. G. Paratype MNHN.F.A66760 (RV, IF), MA. H. Paratype MNHN.F.C02691 (LV, EF), VGM. — I. Barbatia sp., MNHN.F.A66762 (LV, EF), MA. — J–P. Cucullaearca supracretacea (d’Orbigny, 1850). J. MNHN.F.C02692 (LV, EF), VF. K. MNHN.F.A66761 (fragment of LF, EF), MA. L. MNHN.F.C02693 (LV, EF), MA. M. MNHN.F. C02694 (fragment of RV, EF), VGM. N–O. MNHN.F.C02695 (RV, EF), VGM. P. MNHN.F.C02697 (RV, EF), VGM. Localities: MA = Bergères-lès-Vertus (Mont Aimé); VF = Vertus (Faloise); VGM = Vertus (Grand Mont). Scale bars = 5 mm. Credits = P. Loubry (MNHN/CNRS).	2026-08-07	Merle, Didier		Zenodo	biologists	Merle, Didier			
F12B8A1C7E6EFF89139AFAE0FE0491E6.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/21839699/files/figure.png	https://doi.org/10.5281/zenodo.21839699	Fig. 16. Bivalvia Linnaeus, 1758 (Nuculoidea Gray, 1824 and Arcoidea Lamarck, 1809) from the Maastrichtian of the Paris Basin. A–D. Nucula bauti sp. nov. A. Holotype MNHN.F.C02688 (RV, IF), VGM. B. Paratype MNHN.F.C02689 (LV, IF), VGM. C. Paratype MNHN.F.C02701 (LV, EF), VGM. D. MNHN.F.C02702 (RV, EF), VGM. — E–H. Arca (s. str.) submontensis sp. nov. E–F. Holotype MNHN.F.C02690 (RV, EF), MA. G. Paratype MNHN.F.A66760 (RV, IF), MA. H. Paratype MNHN.F.C02691 (LV, EF), VGM. — I. Barbatia sp., MNHN.F.A66762 (LV, EF), MA. — J–P. Cucullaearca supracretacea (d’Orbigny, 1850). J. MNHN.F.C02692 (LV, EF), VF. K. MNHN.F.A66761 (fragment of LF, EF), MA. L. MNHN.F.C02693 (LV, EF), MA. M. MNHN.F. C02694 (fragment of RV, EF), VGM. N–O. MNHN.F.C02695 (RV, EF), VGM. P. MNHN.F.C02697 (RV, EF), VGM. Localities: MA = Bergères-lès-Vertus (Mont Aimé); VF = Vertus (Faloise); VGM = Vertus (Grand Mont). Scale bars = 5 mm. Credits = P. Loubry (MNHN/CNRS).	Fig. 16. Bivalvia Linnaeus, 1758 (Nuculoidea Gray, 1824 and Arcoidea Lamarck, 1809) from the Maastrichtian of the Paris Basin. A–D. Nucula bauti sp. nov. A. Holotype MNHN.F.C02688 (RV, IF), VGM. B. Paratype MNHN.F.C02689 (LV, IF), VGM. C. Paratype MNHN.F.C02701 (LV, EF), VGM. D. MNHN.F.C02702 (RV, EF), VGM. — E–H. Arca (s. str.) submontensis sp. nov. E–F. Holotype MNHN.F.C02690 (RV, EF), MA. G. Paratype MNHN.F.A66760 (RV, IF), MA. H. Paratype MNHN.F.C02691 (LV, EF), VGM. — I. Barbatia sp., MNHN.F.A66762 (LV, EF), MA. — J–P. Cucullaearca supracretacea (d’Orbigny, 1850). J. MNHN.F.C02692 (LV, EF), VF. K. MNHN.F.A66761 (fragment of LF, EF), MA. L. MNHN.F.C02693 (LV, EF), MA. M. MNHN.F. C02694 (fragment of RV, EF), VGM. N–O. MNHN.F.C02695 (RV, EF), VGM. P. MNHN.F.C02697 (RV, EF), VGM. Localities: MA = Bergères-lès-Vertus (Mont Aimé); VF = Vertus (Faloise); VGM = Vertus (Grand Mont). Scale bars = 5 mm. Credits = P. Loubry (MNHN/CNRS).	2026-08-07	Merle, Didier		Zenodo	biologists	Merle, Didier			
F12B8A1C7E61FF881348FB8FFD4897A7.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/21839699/files/figure.png	https://doi.org/10.5281/zenodo.21839699	Fig. 16. Bivalvia Linnaeus, 1758 (Nuculoidea Gray, 1824 and Arcoidea Lamarck, 1809) from the Maastrichtian of the Paris Basin. A–D. Nucula bauti sp. nov. A. Holotype MNHN.F.C02688 (RV, IF), VGM. B. Paratype MNHN.F.C02689 (LV, IF), VGM. C. Paratype MNHN.F.C02701 (LV, EF), VGM. D. MNHN.F.C02702 (RV, EF), VGM. — E–H. Arca (s. str.) submontensis sp. nov. E–F. Holotype MNHN.F.C02690 (RV, EF), MA. G. Paratype MNHN.F.A66760 (RV, IF), MA. H. Paratype MNHN.F.C02691 (LV, EF), VGM. — I. Barbatia sp., MNHN.F.A66762 (LV, EF), MA. — J–P. Cucullaearca supracretacea (d’Orbigny, 1850). J. MNHN.F.C02692 (LV, EF), VF. K. MNHN.F.A66761 (fragment of LF, EF), MA. L. MNHN.F.C02693 (LV, EF), MA. M. MNHN.F. C02694 (fragment of RV, EF), VGM. N–O. MNHN.F.C02695 (RV, EF), VGM. P. MNHN.F.C02697 (RV, EF), VGM. Localities: MA = Bergères-lès-Vertus (Mont Aimé); VF = Vertus (Faloise); VGM = Vertus (Grand Mont). Scale bars = 5 mm. Credits = P. Loubry (MNHN/CNRS).	Fig. 16. Bivalvia Linnaeus, 1758 (Nuculoidea Gray, 1824 and Arcoidea Lamarck, 1809) from the Maastrichtian of the Paris Basin. A–D. Nucula bauti sp. nov. A. Holotype MNHN.F.C02688 (RV, IF), VGM. B. Paratype MNHN.F.C02689 (LV, IF), VGM. C. Paratype MNHN.F.C02701 (LV, EF), VGM. D. MNHN.F.C02702 (RV, EF), VGM. — E–H. Arca (s. str.) submontensis sp. nov. E–F. Holotype MNHN.F.C02690 (RV, EF), MA. G. Paratype MNHN.F.A66760 (RV, IF), MA. H. Paratype MNHN.F.C02691 (LV, EF), VGM. — I. Barbatia sp., MNHN.F.A66762 (LV, EF), MA. — J–P. Cucullaearca supracretacea (d’Orbigny, 1850). J. MNHN.F.C02692 (LV, EF), VF. K. MNHN.F.A66761 (fragment of LF, EF), MA. L. MNHN.F.C02693 (LV, EF), MA. M. MNHN.F. C02694 (fragment of RV, EF), VGM. N–O. MNHN.F.C02695 (RV, EF), VGM. P. MNHN.F.C02697 (RV, EF), VGM. Localities: MA = Bergères-lès-Vertus (Mont Aimé); VF = Vertus (Faloise); VGM = Vertus (Grand Mont). Scale bars = 5 mm. Credits = P. Loubry (MNHN/CNRS).	2026-08-07	Merle, Didier		Zenodo	biologists	Merle, Didier			
F12B8A1C7E60FF8B1329F9BDFCFC94FE.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/21839702/files/figure.png	https://doi.org/10.5281/zenodo.21839702	Fig. 17. Bivalvia Linnaeus, 1758 (Limoidea Rafinesque, 1815, Mytiloidea Rafinesque, 1815, Ostreoidea Rafinesque, 1815, Pterioidea Gray, 1847 and Pectinoidea Rafinesque, 1815) from the Maastrichtian of the Paris Basin. A–C. Ctenoides vogeli Dhont, 1983. A. UPMC.PAL.2017.0.18 (EF,?RV), VF. B. MNHN.F.A66773 (IF, RV),?VF. C. SU.PAL.2017.0.13.290 (IF, RV), VF. — D.?Septifer sp., MNHN.F.C02698 (RV, internal mould), VGM. — E–F. Lecompteus ornatus (Münster in Goldfuss, 1837). E. MNHN.F.A66764 (RV, EF), VF. F. MNHN.F.A66765 (LV, EF). — G.?Ostreoidea indet., MNHN.F.C02699 (LV, EF), MA. — H–I. Isognomon sp. H. MNHN.F.A66763 (LV, IF), MA. I. MNHN.F.C02700 (LV, IF), MA. — J–K. Lyropecten ternatus (Münster in Goldfuss, 1833). J. MNHN.F.A66768 (RV, IF), VF. K. MNHN.F.A66769 (RV, IF), VF. Localities: MA = Bergères-lès- Vertus (Mont Aimé); VF = Vertus (Faloise); VGM = Vertus (Grand Mont). Scale bars: A–C = 20 mm; D, H–I = 5 mm; E–G, J–K = 10 mm. Credits = P. Loubry (MNHN/CNRS).	Fig. 17. Bivalvia Linnaeus, 1758 (Limoidea Rafinesque, 1815, Mytiloidea Rafinesque, 1815, Ostreoidea Rafinesque, 1815, Pterioidea Gray, 1847 and Pectinoidea Rafinesque, 1815) from the Maastrichtian of the Paris Basin. A–C. Ctenoides vogeli Dhont, 1983. A. UPMC.PAL.2017.0.18 (EF,?RV), VF. B. MNHN.F.A66773 (IF, RV),?VF. C. SU.PAL.2017.0.13.290 (IF, RV), VF. — D.?Septifer sp., MNHN.F.C02698 (RV, internal mould), VGM. — E–F. Lecompteus ornatus (Münster in Goldfuss, 1837). E. MNHN.F.A66764 (RV, EF), VF. F. MNHN.F.A66765 (LV, EF). — G.?Ostreoidea indet., MNHN.F.C02699 (LV, EF), MA. — H–I. Isognomon sp. H. MNHN.F.A66763 (LV, IF), MA. I. MNHN.F.C02700 (LV, IF), MA. — J–K. Lyropecten ternatus (Münster in Goldfuss, 1833). J. MNHN.F.A66768 (RV, IF), VF. K. MNHN.F.A66769 (RV, IF), VF. Localities: MA = Bergères-lès- Vertus (Mont Aimé); VF = Vertus (Faloise); VGM = Vertus (Grand Mont). Scale bars: A–C = 20 mm; D, H–I = 5 mm; E–G, J–K = 10 mm. Credits = P. Loubry (MNHN/CNRS).	2026-08-07	Merle, Didier		Zenodo	biologists	Merle, Didier			
F12B8A1C7E62FF8D10BEF89FFE8E948E.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/21839702/files/figure.png	https://doi.org/10.5281/zenodo.21839702	Fig. 17. Bivalvia Linnaeus, 1758 (Limoidea Rafinesque, 1815, Mytiloidea Rafinesque, 1815, Ostreoidea Rafinesque, 1815, Pterioidea Gray, 1847 and Pectinoidea Rafinesque, 1815) from the Maastrichtian of the Paris Basin. A–C. Ctenoides vogeli Dhont, 1983. A. UPMC.PAL.2017.0.18 (EF,?RV), VF. B. MNHN.F.A66773 (IF, RV),?VF. C. SU.PAL.2017.0.13.290 (IF, RV), VF. — D.?Septifer sp., MNHN.F.C02698 (RV, internal mould), VGM. — E–F. Lecompteus ornatus (Münster in Goldfuss, 1837). E. MNHN.F.A66764 (RV, EF), VF. F. MNHN.F.A66765 (LV, EF). — G.?Ostreoidea indet., MNHN.F.C02699 (LV, EF), MA. — H–I. Isognomon sp. H. MNHN.F.A66763 (LV, IF), MA. I. MNHN.F.C02700 (LV, IF), MA. — J–K. Lyropecten ternatus (Münster in Goldfuss, 1833). J. MNHN.F.A66768 (RV, IF), VF. K. MNHN.F.A66769 (RV, IF), VF. Localities: MA = Bergères-lès- Vertus (Mont Aimé); VF = Vertus (Faloise); VGM = Vertus (Grand Mont). Scale bars: A–C = 20 mm; D, H–I = 5 mm; E–G, J–K = 10 mm. Credits = P. Loubry (MNHN/CNRS).	Fig. 17. Bivalvia Linnaeus, 1758 (Limoidea Rafinesque, 1815, Mytiloidea Rafinesque, 1815, Ostreoidea Rafinesque, 1815, Pterioidea Gray, 1847 and Pectinoidea Rafinesque, 1815) from the Maastrichtian of the Paris Basin. A–C. Ctenoides vogeli Dhont, 1983. A. UPMC.PAL.2017.0.18 (EF,?RV), VF. B. MNHN.F.A66773 (IF, RV),?VF. C. SU.PAL.2017.0.13.290 (IF, RV), VF. — D.?Septifer sp., MNHN.F.C02698 (RV, internal mould), VGM. — E–F. Lecompteus ornatus (Münster in Goldfuss, 1837). E. MNHN.F.A66764 (RV, EF), VF. F. MNHN.F.A66765 (LV, EF). — G.?Ostreoidea indet., MNHN.F.C02699 (LV, EF), MA. — H–I. Isognomon sp. H. MNHN.F.A66763 (LV, IF), MA. I. MNHN.F.C02700 (LV, IF), MA. — J–K. Lyropecten ternatus (Münster in Goldfuss, 1833). J. MNHN.F.A66768 (RV, IF), VF. K. MNHN.F.A66769 (RV, IF), VF. Localities: MA = Bergères-lès- Vertus (Mont Aimé); VF = Vertus (Faloise); VGM = Vertus (Grand Mont). Scale bars: A–C = 20 mm; D, H–I = 5 mm; E–G, J–K = 10 mm. Credits = P. Loubry (MNHN/CNRS).	2026-08-07	Merle, Didier		Zenodo	biologists	Merle, Didier			
F12B8A1C7E62FF8D10BEF89FFE8E948E.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/21839661/files/figure.png	https://doi.org/10.5281/zenodo.21839661	Fig. 4. Photographs of the studied sections. A. The Mont Aimé section at Bergères-lès-Vertus (Marne). B. The Grand Mont section in the Vertus ravine (exhibiting the basal biocalcarenite with pectinids). C. The former Faloise quarry in the Vertus Massif at Vertus. D. The Bois d’Esmans outcrop at Esmans (Seine-et-Marne). Credits: A–C = Christian Montenat; D = Elise Auberger.	Fig. 4. Photographs of the studied sections. A. The Mont Aimé section at Bergères-lès-Vertus (Marne). B. The Grand Mont section in the Vertus ravine (exhibiting the basal biocalcarenite with pectinids). C. The former Faloise quarry in the Vertus Massif at Vertus. D. The Bois d’Esmans outcrop at Esmans (Seine-et-Marne). Credits: A–C = Christian Montenat; D = Elise Auberger.	2026-08-07	Merle, Didier		Zenodo	biologists	Merle, Didier			
F12B8A1C7E67FF8F13E0FEA1FBFB9676.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/21839702/files/figure.png	https://doi.org/10.5281/zenodo.21839702	Fig. 17. Bivalvia Linnaeus, 1758 (Limoidea Rafinesque, 1815, Mytiloidea Rafinesque, 1815, Ostreoidea Rafinesque, 1815, Pterioidea Gray, 1847 and Pectinoidea Rafinesque, 1815) from the Maastrichtian of the Paris Basin. A–C. Ctenoides vogeli Dhont, 1983. A. UPMC.PAL.2017.0.18 (EF,?RV), VF. B. MNHN.F.A66773 (IF, RV),?VF. C. SU.PAL.2017.0.13.290 (IF, RV), VF. — D.?Septifer sp., MNHN.F.C02698 (RV, internal mould), VGM. — E–F. Lecompteus ornatus (Münster in Goldfuss, 1837). E. MNHN.F.A66764 (RV, EF), VF. F. MNHN.F.A66765 (LV, EF). — G.?Ostreoidea indet., MNHN.F.C02699 (LV, EF), MA. — H–I. Isognomon sp. H. MNHN.F.A66763 (LV, IF), MA. I. MNHN.F.C02700 (LV, IF), MA. — J–K. Lyropecten ternatus (Münster in Goldfuss, 1833). J. MNHN.F.A66768 (RV, IF), VF. K. MNHN.F.A66769 (RV, IF), VF. Localities: MA = Bergères-lès- Vertus (Mont Aimé); VF = Vertus (Faloise); VGM = Vertus (Grand Mont). Scale bars: A–C = 20 mm; D, H–I = 5 mm; E–G, J–K = 10 mm. Credits = P. Loubry (MNHN/CNRS).	Fig. 17. Bivalvia Linnaeus, 1758 (Limoidea Rafinesque, 1815, Mytiloidea Rafinesque, 1815, Ostreoidea Rafinesque, 1815, Pterioidea Gray, 1847 and Pectinoidea Rafinesque, 1815) from the Maastrichtian of the Paris Basin. A–C. Ctenoides vogeli Dhont, 1983. A. UPMC.PAL.2017.0.18 (EF,?RV), VF. B. MNHN.F.A66773 (IF, RV),?VF. C. SU.PAL.2017.0.13.290 (IF, RV), VF. — D.?Septifer sp., MNHN.F.C02698 (RV, internal mould), VGM. — E–F. Lecompteus ornatus (Münster in Goldfuss, 1837). E. MNHN.F.A66764 (RV, EF), VF. F. MNHN.F.A66765 (LV, EF). — G.?Ostreoidea indet., MNHN.F.C02699 (LV, EF), MA. — H–I. Isognomon sp. H. MNHN.F.A66763 (LV, IF), MA. I. MNHN.F.C02700 (LV, IF), MA. — J–K. Lyropecten ternatus (Münster in Goldfuss, 1833). J. MNHN.F.A66768 (RV, IF), VF. K. MNHN.F.A66769 (RV, IF), VF. Localities: MA = Bergères-lès- Vertus (Mont Aimé); VF = Vertus (Faloise); VGM = Vertus (Grand Mont). Scale bars: A–C = 20 mm; D, H–I = 5 mm; E–G, J–K = 10 mm. Credits = P. Loubry (MNHN/CNRS).	2026-08-07	Merle, Didier		Zenodo	biologists	Merle, Didier			
F12B8A1C7E67FF8E138BF8CCFE0790BC.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/21839702/files/figure.png	https://doi.org/10.5281/zenodo.21839702	Fig. 17. Bivalvia Linnaeus, 1758 (Limoidea Rafinesque, 1815, Mytiloidea Rafinesque, 1815, Ostreoidea Rafinesque, 1815, Pterioidea Gray, 1847 and Pectinoidea Rafinesque, 1815) from the Maastrichtian of the Paris Basin. A–C. Ctenoides vogeli Dhont, 1983. A. UPMC.PAL.2017.0.18 (EF,?RV), VF. B. MNHN.F.A66773 (IF, RV),?VF. C. SU.PAL.2017.0.13.290 (IF, RV), VF. — D.?Septifer sp., MNHN.F.C02698 (RV, internal mould), VGM. — E–F. Lecompteus ornatus (Münster in Goldfuss, 1837). E. MNHN.F.A66764 (RV, EF), VF. F. MNHN.F.A66765 (LV, EF). — G.?Ostreoidea indet., MNHN.F.C02699 (LV, EF), MA. — H–I. Isognomon sp. H. MNHN.F.A66763 (LV, IF), MA. I. MNHN.F.C02700 (LV, IF), MA. — J–K. Lyropecten ternatus (Münster in Goldfuss, 1833). J. MNHN.F.A66768 (RV, IF), VF. K. MNHN.F.A66769 (RV, IF), VF. Localities: MA = Bergères-lès- Vertus (Mont Aimé); VF = Vertus (Faloise); VGM = Vertus (Grand Mont). Scale bars: A–C = 20 mm; D, H–I = 5 mm; E–G, J–K = 10 mm. Credits = P. Loubry (MNHN/CNRS).	Fig. 17. Bivalvia Linnaeus, 1758 (Limoidea Rafinesque, 1815, Mytiloidea Rafinesque, 1815, Ostreoidea Rafinesque, 1815, Pterioidea Gray, 1847 and Pectinoidea Rafinesque, 1815) from the Maastrichtian of the Paris Basin. A–C. Ctenoides vogeli Dhont, 1983. A. UPMC.PAL.2017.0.18 (EF,?RV), VF. B. MNHN.F.A66773 (IF, RV),?VF. C. SU.PAL.2017.0.13.290 (IF, RV), VF. — D.?Septifer sp., MNHN.F.C02698 (RV, internal mould), VGM. — E–F. Lecompteus ornatus (Münster in Goldfuss, 1837). E. MNHN.F.A66764 (RV, EF), VF. F. MNHN.F.A66765 (LV, EF). — G.?Ostreoidea indet., MNHN.F.C02699 (LV, EF), MA. — H–I. Isognomon sp. H. MNHN.F.A66763 (LV, IF), MA. I. MNHN.F.C02700 (LV, IF), MA. — J–K. Lyropecten ternatus (Münster in Goldfuss, 1833). J. MNHN.F.A66768 (RV, IF), VF. K. MNHN.F.A66769 (RV, IF), VF. Localities: MA = Bergères-lès- Vertus (Mont Aimé); VF = Vertus (Faloise); VGM = Vertus (Grand Mont). Scale bars: A–C = 20 mm; D, H–I = 5 mm; E–G, J–K = 10 mm. Credits = P. Loubry (MNHN/CNRS).	2026-08-07	Merle, Didier		Zenodo	biologists	Merle, Didier			
F12B8A1C7E66FFF110BDFA63FCC9969E.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/21839702/files/figure.png	https://doi.org/10.5281/zenodo.21839702	Fig. 17. Bivalvia Linnaeus, 1758 (Limoidea Rafinesque, 1815, Mytiloidea Rafinesque, 1815, Ostreoidea Rafinesque, 1815, Pterioidea Gray, 1847 and Pectinoidea Rafinesque, 1815) from the Maastrichtian of the Paris Basin. A–C. Ctenoides vogeli Dhont, 1983. A. UPMC.PAL.2017.0.18 (EF,?RV), VF. B. MNHN.F.A66773 (IF, RV),?VF. C. SU.PAL.2017.0.13.290 (IF, RV), VF. — D.?Septifer sp., MNHN.F.C02698 (RV, internal mould), VGM. — E–F. Lecompteus ornatus (Münster in Goldfuss, 1837). E. MNHN.F.A66764 (RV, EF), VF. F. MNHN.F.A66765 (LV, EF). — G.?Ostreoidea indet., MNHN.F.C02699 (LV, EF), MA. — H–I. Isognomon sp. H. MNHN.F.A66763 (LV, IF), MA. I. MNHN.F.C02700 (LV, IF), MA. — J–K. Lyropecten ternatus (Münster in Goldfuss, 1833). J. MNHN.F.A66768 (RV, IF), VF. K. MNHN.F.A66769 (RV, IF), VF. Localities: MA = Bergères-lès- Vertus (Mont Aimé); VF = Vertus (Faloise); VGM = Vertus (Grand Mont). Scale bars: A–C = 20 mm; D, H–I = 5 mm; E–G, J–K = 10 mm. Credits = P. Loubry (MNHN/CNRS).	Fig. 17. Bivalvia Linnaeus, 1758 (Limoidea Rafinesque, 1815, Mytiloidea Rafinesque, 1815, Ostreoidea Rafinesque, 1815, Pterioidea Gray, 1847 and Pectinoidea Rafinesque, 1815) from the Maastrichtian of the Paris Basin. A–C. Ctenoides vogeli Dhont, 1983. A. UPMC.PAL.2017.0.18 (EF,?RV), VF. B. MNHN.F.A66773 (IF, RV),?VF. C. SU.PAL.2017.0.13.290 (IF, RV), VF. — D.?Septifer sp., MNHN.F.C02698 (RV, internal mould), VGM. — E–F. Lecompteus ornatus (Münster in Goldfuss, 1837). E. MNHN.F.A66764 (RV, EF), VF. F. MNHN.F.A66765 (LV, EF). — G.?Ostreoidea indet., MNHN.F.C02699 (LV, EF), MA. — H–I. Isognomon sp. H. MNHN.F.A66763 (LV, IF), MA. I. MNHN.F.C02700 (LV, IF), MA. — J–K. Lyropecten ternatus (Münster in Goldfuss, 1833). J. MNHN.F.A66768 (RV, IF), VF. K. MNHN.F.A66769 (RV, IF), VF. Localities: MA = Bergères-lès- Vertus (Mont Aimé); VF = Vertus (Faloise); VGM = Vertus (Grand Mont). Scale bars: A–C = 20 mm; D, H–I = 5 mm; E–G, J–K = 10 mm. Credits = P. Loubry (MNHN/CNRS).	2026-08-07	Merle, Didier		Zenodo	biologists	Merle, Didier			
F12B8A1C7E19FFF31365F888FE7D92B3.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/21839706/files/figure.png	https://doi.org/10.5281/zenodo.21839706	Fig. 18. Bivalvia Linnaeus, 1758 (Pectinoidea Rafinesque, 1815 and Plicatuloidea Gray, 1854) from the Maastrichtian of the Paris Basin. A–D. Lyriochlamys faujasii (Defrance, 1826). A. MNHN.F.A66766 (LV, IF), VF. B. SU.PAL.2017.0.13.293 (LV, IF), VF. C. MNHN.F.A66767 (LV, EF), VF. D. SU. PAL.2017.0.13.294 (RV, IF), VF. — E–F. Neithea regularis (Schlotheim, 1813). E. UPMC. PAL2017.0.17 (partial internal mold of RV, Hébert coll.), BE. F. SU.PAL.2017.0.13.297 (LV, IF), BE. — G–H. Neithea quinquecostata (J. Sowerby, 1814). G. SU.PAL.2017.0.13.298 (RV, EF), specimen in dorsal view, VF. H. same specimen in commissural view. — I.?Spondylidae indet., MNHN.F.C02706 (EF), MA. — J–K. Plicatula pacaudi sp. nov. J. Paratype MNHN.F.A66771 (LV, IF), MA. K. Paratype MNHN.F.A66772 (hinge, LV), MA. Localities: MA = Bergères-lès-Vertus (Mont Aimé); VF = Vertus (Faloise). Scale bars = 10 mm. Credits = P. Loubry (MNHN/CNRS).	Fig. 18. Bivalvia Linnaeus, 1758 (Pectinoidea Rafinesque, 1815 and Plicatuloidea Gray, 1854) from the Maastrichtian of the Paris Basin. A–D. Lyriochlamys faujasii (Defrance, 1826). A. MNHN.F.A66766 (LV, IF), VF. B. SU.PAL.2017.0.13.293 (LV, IF), VF. C. MNHN.F.A66767 (LV, EF), VF. D. SU. PAL.2017.0.13.294 (RV, IF), VF. — E–F. Neithea regularis (Schlotheim, 1813). E. UPMC. PAL2017.0.17 (partial internal mold of RV, Hébert coll.), BE. F. SU.PAL.2017.0.13.297 (LV, IF), BE. — G–H. Neithea quinquecostata (J. Sowerby, 1814). G. SU.PAL.2017.0.13.298 (RV, EF), specimen in dorsal view, VF. H. same specimen in commissural view. — I.?Spondylidae indet., MNHN.F.C02706 (EF), MA. — J–K. Plicatula pacaudi sp. nov. J. Paratype MNHN.F.A66771 (LV, IF), MA. K. Paratype MNHN.F.A66772 (hinge, LV), MA. Localities: MA = Bergères-lès-Vertus (Mont Aimé); VF = Vertus (Faloise). Scale bars = 10 mm. Credits = P. Loubry (MNHN/CNRS).	2026-08-07	Merle, Didier		Zenodo	biologists	Merle, Didier			
F12B8A1C7E1BFFF51371FC88FEEF91AF.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/21839706/files/figure.png	https://doi.org/10.5281/zenodo.21839706	Fig. 18. Bivalvia Linnaeus, 1758 (Pectinoidea Rafinesque, 1815 and Plicatuloidea Gray, 1854) from the Maastrichtian of the Paris Basin. A–D. Lyriochlamys faujasii (Defrance, 1826). A. MNHN.F.A66766 (LV, IF), VF. B. SU.PAL.2017.0.13.293 (LV, IF), VF. C. MNHN.F.A66767 (LV, EF), VF. D. SU. PAL.2017.0.13.294 (RV, IF), VF. — E–F. Neithea regularis (Schlotheim, 1813). E. UPMC. PAL2017.0.17 (partial internal mold of RV, Hébert coll.), BE. F. SU.PAL.2017.0.13.297 (LV, IF), BE. — G–H. Neithea quinquecostata (J. Sowerby, 1814). G. SU.PAL.2017.0.13.298 (RV, EF), specimen in dorsal view, VF. H. same specimen in commissural view. — I.?Spondylidae indet., MNHN.F.C02706 (EF), MA. — J–K. Plicatula pacaudi sp. nov. J. Paratype MNHN.F.A66771 (LV, IF), MA. K. Paratype MNHN.F.A66772 (hinge, LV), MA. Localities: MA = Bergères-lès-Vertus (Mont Aimé); VF = Vertus (Faloise). Scale bars = 10 mm. Credits = P. Loubry (MNHN/CNRS).	Fig. 18. Bivalvia Linnaeus, 1758 (Pectinoidea Rafinesque, 1815 and Plicatuloidea Gray, 1854) from the Maastrichtian of the Paris Basin. A–D. Lyriochlamys faujasii (Defrance, 1826). A. MNHN.F.A66766 (LV, IF), VF. B. SU.PAL.2017.0.13.293 (LV, IF), VF. C. MNHN.F.A66767 (LV, EF), VF. D. SU. PAL.2017.0.13.294 (RV, IF), VF. — E–F. Neithea regularis (Schlotheim, 1813). E. UPMC. PAL2017.0.17 (partial internal mold of RV, Hébert coll.), BE. F. SU.PAL.2017.0.13.297 (LV, IF), BE. — G–H. Neithea quinquecostata (J. Sowerby, 1814). G. SU.PAL.2017.0.13.298 (RV, EF), specimen in dorsal view, VF. H. same specimen in commissural view. — I.?Spondylidae indet., MNHN.F.C02706 (EF), MA. — J–K. Plicatula pacaudi sp. nov. J. Paratype MNHN.F.A66771 (LV, IF), MA. K. Paratype MNHN.F.A66772 (hinge, LV), MA. Localities: MA = Bergères-lès-Vertus (Mont Aimé); VF = Vertus (Faloise). Scale bars = 10 mm. Credits = P. Loubry (MNHN/CNRS).	2026-08-07	Merle, Didier		Zenodo	biologists	Merle, Didier			
F12B8A1C7E1DFFF51352FD7CFCD794C6.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/21839706/files/figure.png	https://doi.org/10.5281/zenodo.21839706	Fig. 18. Bivalvia Linnaeus, 1758 (Pectinoidea Rafinesque, 1815 and Plicatuloidea Gray, 1854) from the Maastrichtian of the Paris Basin. A–D. Lyriochlamys faujasii (Defrance, 1826). A. MNHN.F.A66766 (LV, IF), VF. B. SU.PAL.2017.0.13.293 (LV, IF), VF. C. MNHN.F.A66767 (LV, EF), VF. D. SU. PAL.2017.0.13.294 (RV, IF), VF. — E–F. Neithea regularis (Schlotheim, 1813). E. UPMC. PAL2017.0.17 (partial internal mold of RV, Hébert coll.), BE. F. SU.PAL.2017.0.13.297 (LV, IF), BE. — G–H. Neithea quinquecostata (J. Sowerby, 1814). G. SU.PAL.2017.0.13.298 (RV, EF), specimen in dorsal view, VF. H. same specimen in commissural view. — I.?Spondylidae indet., MNHN.F.C02706 (EF), MA. — J–K. Plicatula pacaudi sp. nov. J. Paratype MNHN.F.A66771 (LV, IF), MA. K. Paratype MNHN.F.A66772 (hinge, LV), MA. Localities: MA = Bergères-lès-Vertus (Mont Aimé); VF = Vertus (Faloise). Scale bars = 10 mm. Credits = P. Loubry (MNHN/CNRS).	Fig. 18. Bivalvia Linnaeus, 1758 (Pectinoidea Rafinesque, 1815 and Plicatuloidea Gray, 1854) from the Maastrichtian of the Paris Basin. A–D. Lyriochlamys faujasii (Defrance, 1826). A. MNHN.F.A66766 (LV, IF), VF. B. SU.PAL.2017.0.13.293 (LV, IF), VF. C. MNHN.F.A66767 (LV, EF), VF. D. SU. PAL.2017.0.13.294 (RV, IF), VF. — E–F. Neithea regularis (Schlotheim, 1813). E. UPMC. PAL2017.0.17 (partial internal mold of RV, Hébert coll.), BE. F. SU.PAL.2017.0.13.297 (LV, IF), BE. — G–H. Neithea quinquecostata (J. Sowerby, 1814). G. SU.PAL.2017.0.13.298 (RV, EF), specimen in dorsal view, VF. H. same specimen in commissural view. — I.?Spondylidae indet., MNHN.F.C02706 (EF), MA. — J–K. Plicatula pacaudi sp. nov. J. Paratype MNHN.F.A66771 (LV, IF), MA. K. Paratype MNHN.F.A66772 (hinge, LV), MA. Localities: MA = Bergères-lès-Vertus (Mont Aimé); VF = Vertus (Faloise). Scale bars = 10 mm. Credits = P. Loubry (MNHN/CNRS).	2026-08-07	Merle, Didier		Zenodo	biologists	Merle, Didier			
F12B8A1C7E1CFFF413EAFE86FC27971D.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/21839706/files/figure.png	https://doi.org/10.5281/zenodo.21839706	Fig. 18. Bivalvia Linnaeus, 1758 (Pectinoidea Rafinesque, 1815 and Plicatuloidea Gray, 1854) from the Maastrichtian of the Paris Basin. A–D. Lyriochlamys faujasii (Defrance, 1826). A. MNHN.F.A66766 (LV, IF), VF. B. SU.PAL.2017.0.13.293 (LV, IF), VF. C. MNHN.F.A66767 (LV, EF), VF. D. SU. PAL.2017.0.13.294 (RV, IF), VF. — E–F. Neithea regularis (Schlotheim, 1813). E. UPMC. PAL2017.0.17 (partial internal mold of RV, Hébert coll.), BE. F. SU.PAL.2017.0.13.297 (LV, IF), BE. — G–H. Neithea quinquecostata (J. Sowerby, 1814). G. SU.PAL.2017.0.13.298 (RV, EF), specimen in dorsal view, VF. H. same specimen in commissural view. — I.?Spondylidae indet., MNHN.F.C02706 (EF), MA. — J–K. Plicatula pacaudi sp. nov. J. Paratype MNHN.F.A66771 (LV, IF), MA. K. Paratype MNHN.F.A66772 (hinge, LV), MA. Localities: MA = Bergères-lès-Vertus (Mont Aimé); VF = Vertus (Faloise). Scale bars = 10 mm. Credits = P. Loubry (MNHN/CNRS).	Fig. 18. Bivalvia Linnaeus, 1758 (Pectinoidea Rafinesque, 1815 and Plicatuloidea Gray, 1854) from the Maastrichtian of the Paris Basin. A–D. Lyriochlamys faujasii (Defrance, 1826). A. MNHN.F.A66766 (LV, IF), VF. B. SU.PAL.2017.0.13.293 (LV, IF), VF. C. MNHN.F.A66767 (LV, EF), VF. D. SU. PAL.2017.0.13.294 (RV, IF), VF. — E–F. Neithea regularis (Schlotheim, 1813). E. UPMC. PAL2017.0.17 (partial internal mold of RV, Hébert coll.), BE. F. SU.PAL.2017.0.13.297 (LV, IF), BE. — G–H. Neithea quinquecostata (J. Sowerby, 1814). G. SU.PAL.2017.0.13.298 (RV, EF), specimen in dorsal view, VF. H. same specimen in commissural view. — I.?Spondylidae indet., MNHN.F.C02706 (EF), MA. — J–K. Plicatula pacaudi sp. nov. J. Paratype MNHN.F.A66771 (LV, IF), MA. K. Paratype MNHN.F.A66772 (hinge, LV), MA. Localities: MA = Bergères-lès-Vertus (Mont Aimé); VF = Vertus (Faloise). Scale bars = 10 mm. Credits = P. Loubry (MNHN/CNRS).	2026-08-07	Merle, Didier		Zenodo	biologists	Merle, Didier			
F12B8A1C7E1CFFF91335F9C5FDBA9143.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/21839706/files/figure.png	https://doi.org/10.5281/zenodo.21839706	Fig. 18. Bivalvia Linnaeus, 1758 (Pectinoidea Rafinesque, 1815 and Plicatuloidea Gray, 1854) from the Maastrichtian of the Paris Basin. A–D. Lyriochlamys faujasii (Defrance, 1826). A. MNHN.F.A66766 (LV, IF), VF. B. SU.PAL.2017.0.13.293 (LV, IF), VF. C. MNHN.F.A66767 (LV, EF), VF. D. SU. PAL.2017.0.13.294 (RV, IF), VF. — E–F. Neithea regularis (Schlotheim, 1813). E. UPMC. PAL2017.0.17 (partial internal mold of RV, Hébert coll.), BE. F. SU.PAL.2017.0.13.297 (LV, IF), BE. — G–H. Neithea quinquecostata (J. Sowerby, 1814). G. SU.PAL.2017.0.13.298 (RV, EF), specimen in dorsal view, VF. H. same specimen in commissural view. — I.?Spondylidae indet., MNHN.F.C02706 (EF), MA. — J–K. Plicatula pacaudi sp. nov. J. Paratype MNHN.F.A66771 (LV, IF), MA. K. Paratype MNHN.F.A66772 (hinge, LV), MA. Localities: MA = Bergères-lès-Vertus (Mont Aimé); VF = Vertus (Faloise). Scale bars = 10 mm. Credits = P. Loubry (MNHN/CNRS).	Fig. 18. Bivalvia Linnaeus, 1758 (Pectinoidea Rafinesque, 1815 and Plicatuloidea Gray, 1854) from the Maastrichtian of the Paris Basin. A–D. Lyriochlamys faujasii (Defrance, 1826). A. MNHN.F.A66766 (LV, IF), VF. B. SU.PAL.2017.0.13.293 (LV, IF), VF. C. MNHN.F.A66767 (LV, EF), VF. D. SU. PAL.2017.0.13.294 (RV, IF), VF. — E–F. Neithea regularis (Schlotheim, 1813). E. UPMC. PAL2017.0.17 (partial internal mold of RV, Hébert coll.), BE. F. SU.PAL.2017.0.13.297 (LV, IF), BE. — G–H. Neithea quinquecostata (J. Sowerby, 1814). G. SU.PAL.2017.0.13.298 (RV, EF), specimen in dorsal view, VF. H. same specimen in commissural view. — I.?Spondylidae indet., MNHN.F.C02706 (EF), MA. — J–K. Plicatula pacaudi sp. nov. J. Paratype MNHN.F.A66771 (LV, IF), MA. K. Paratype MNHN.F.A66772 (hinge, LV), MA. Localities: MA = Bergères-lès-Vertus (Mont Aimé); VF = Vertus (Faloise). Scale bars = 10 mm. Credits = P. Loubry (MNHN/CNRS).	2026-08-07	Merle, Didier		Zenodo	biologists	Merle, Didier			
F12B8A1C7E1CFFF91335F9C5FDBA9143.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/21839710/files/figure.png	https://doi.org/10.5281/zenodo.21839710	Fig. 19. Bivalvia Linnaeus, 1758 (Plicatuloidea Gray, 1854, Myophorelloidea T. Kobayashi, 1954 and Carditoidea A. Férussac, 1822) from the Maastrichtian of the Paris Basin. A–D. Plicatula pacaudi sp. nov. A. Sample of three specimens, holotype MNHN.F.C02707 (a1, RV, EF), paratype MNHN.F.C03009 (a2, RV, EF), paratype MNHN.F.C02987 (a3, RV, EF), paratype MNHN.F.C02988 (a4, RV, EF), MA. B. Holotype MNHN.F.C02707 (a1) and paratype MNHN.F.C03010 (a2), detailed view. C. Paratype MNHN.F.C02989 (RV, EF), MA. D. Paratype MNHN.F.C02990 (RV, IF), MA. — E–G. Wolfgangella cf. neilpearti Jagt, M.R. Cooper & Jagt-Yazykova, 2022. E. MNHN.F.C03010 (LV, EF), VGM. F. Same specimen in dorso-posterior view. G. Same specimen in anterior view. — H–L. Baluchicardia hebertiana (d’Orbigny, 1850). H. Lectotype MNHN.F.R63240 (LV, EF), Vertus. I. MNHN.F.A57133 (LV, EF), MA. J. Paralectotype MNHN.F.A57275 (RV, EF), Vertus. K. MNHN.F.A66778 (LV, IF), MA. L. MNHN.F.A57132 (LV, IF), MA, not Vertus as indicated in Pacaud & Merle (2016: 47). Localities: MA = Bergères-lès-Vertus (Mont Aimé); VGM = Vertus (Grand Mont). Scale bars: A = 50 mm; B–I, K–L = 10 mm; J = 5 mm. Credit = P. Loubry (MNHN/CNRS).	Fig. 19. Bivalvia Linnaeus, 1758 (Plicatuloidea Gray, 1854, Myophorelloidea T. Kobayashi, 1954 and Carditoidea A. Férussac, 1822) from the Maastrichtian of the Paris Basin. A–D. Plicatula pacaudi sp. nov. A. Sample of three specimens, holotype MNHN.F.C02707 (a1, RV, EF), paratype MNHN.F.C03009 (a2, RV, EF), paratype MNHN.F.C02987 (a3, RV, EF), paratype MNHN.F.C02988 (a4, RV, EF), MA. B. Holotype MNHN.F.C02707 (a1) and paratype MNHN.F.C03010 (a2), detailed view. C. Paratype MNHN.F.C02989 (RV, EF), MA. D. Paratype MNHN.F.C02990 (RV, IF), MA. — E–G. Wolfgangella cf. neilpearti Jagt, M.R. Cooper & Jagt-Yazykova, 2022. E. MNHN.F.C03010 (LV, EF), VGM. F. Same specimen in dorso-posterior view. G. Same specimen in anterior view. — H–L. Baluchicardia hebertiana (d’Orbigny, 1850). H. Lectotype MNHN.F.R63240 (LV, EF), Vertus. I. MNHN.F.A57133 (LV, EF), MA. J. Paralectotype MNHN.F.A57275 (RV, EF), Vertus. K. MNHN.F.A66778 (LV, IF), MA. L. MNHN.F.A57132 (LV, IF), MA, not Vertus as indicated in Pacaud & Merle (2016: 47). Localities: MA = Bergères-lès-Vertus (Mont Aimé); VGM = Vertus (Grand Mont). Scale bars: A = 50 mm; B–I, K–L = 10 mm; J = 5 mm. Credit = P. Loubry (MNHN/CNRS).	2026-08-07	Merle, Didier		Zenodo	biologists	Merle, Didier			
F12B8A1C7E1CFFF91335F9C5FDBA9143.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/21839655/files/figure.png	https://doi.org/10.5281/zenodo.21839655	Fig. 1. Geographical location of the three Maastrichtian localities (Vertus, Bergères-lès-Vertus and Esmans).	Fig. 1. Geographical location of the three Maastrichtian localities (Vertus, Bergères-lès-Vertus and Esmans).	2026-08-07	Merle, Didier		Zenodo	biologists	Merle, Didier			
F12B8A1C7E1CFFF91335F9C5FDBA9143.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/21839661/files/figure.png	https://doi.org/10.5281/zenodo.21839661	Fig. 4. Photographs of the studied sections. A. The Mont Aimé section at Bergères-lès-Vertus (Marne). B. The Grand Mont section in the Vertus ravine (exhibiting the basal biocalcarenite with pectinids). C. The former Faloise quarry in the Vertus Massif at Vertus. D. The Bois d’Esmans outcrop at Esmans (Seine-et-Marne). Credits: A–C = Christian Montenat; D = Elise Auberger.	Fig. 4. Photographs of the studied sections. A. The Mont Aimé section at Bergères-lès-Vertus (Marne). B. The Grand Mont section in the Vertus ravine (exhibiting the basal biocalcarenite with pectinids). C. The former Faloise quarry in the Vertus Massif at Vertus. D. The Bois d’Esmans outcrop at Esmans (Seine-et-Marne). Credits: A–C = Christian Montenat; D = Elise Auberger.	2026-08-07	Merle, Didier		Zenodo	biologists	Merle, Didier			
F12B8A1C7E11FFF81036FB0FFCEF9047.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/21839710/files/figure.png	https://doi.org/10.5281/zenodo.21839710	Fig. 19. Bivalvia Linnaeus, 1758 (Plicatuloidea Gray, 1854, Myophorelloidea T. Kobayashi, 1954 and Carditoidea A. Férussac, 1822) from the Maastrichtian of the Paris Basin. A–D. Plicatula pacaudi sp. nov. A. Sample of three specimens, holotype MNHN.F.C02707 (a1, RV, EF), paratype MNHN.F.C03009 (a2, RV, EF), paratype MNHN.F.C02987 (a3, RV, EF), paratype MNHN.F.C02988 (a4, RV, EF), MA. B. Holotype MNHN.F.C02707 (a1) and paratype MNHN.F.C03010 (a2), detailed view. C. Paratype MNHN.F.C02989 (RV, EF), MA. D. Paratype MNHN.F.C02990 (RV, IF), MA. — E–G. Wolfgangella cf. neilpearti Jagt, M.R. Cooper & Jagt-Yazykova, 2022. E. MNHN.F.C03010 (LV, EF), VGM. F. Same specimen in dorso-posterior view. G. Same specimen in anterior view. — H–L. Baluchicardia hebertiana (d’Orbigny, 1850). H. Lectotype MNHN.F.R63240 (LV, EF), Vertus. I. MNHN.F.A57133 (LV, EF), MA. J. Paralectotype MNHN.F.A57275 (RV, EF), Vertus. K. MNHN.F.A66778 (LV, IF), MA. L. MNHN.F.A57132 (LV, IF), MA, not Vertus as indicated in Pacaud & Merle (2016: 47). Localities: MA = Bergères-lès-Vertus (Mont Aimé); VGM = Vertus (Grand Mont). Scale bars: A = 50 mm; B–I, K–L = 10 mm; J = 5 mm. Credit = P. Loubry (MNHN/CNRS).	Fig. 19. Bivalvia Linnaeus, 1758 (Plicatuloidea Gray, 1854, Myophorelloidea T. Kobayashi, 1954 and Carditoidea A. Férussac, 1822) from the Maastrichtian of the Paris Basin. A–D. Plicatula pacaudi sp. nov. A. Sample of three specimens, holotype MNHN.F.C02707 (a1, RV, EF), paratype MNHN.F.C03009 (a2, RV, EF), paratype MNHN.F.C02987 (a3, RV, EF), paratype MNHN.F.C02988 (a4, RV, EF), MA. B. Holotype MNHN.F.C02707 (a1) and paratype MNHN.F.C03010 (a2), detailed view. C. Paratype MNHN.F.C02989 (RV, EF), MA. D. Paratype MNHN.F.C02990 (RV, IF), MA. — E–G. Wolfgangella cf. neilpearti Jagt, M.R. Cooper & Jagt-Yazykova, 2022. E. MNHN.F.C03010 (LV, EF), VGM. F. Same specimen in dorso-posterior view. G. Same specimen in anterior view. — H–L. Baluchicardia hebertiana (d’Orbigny, 1850). H. Lectotype MNHN.F.R63240 (LV, EF), Vertus. I. MNHN.F.A57133 (LV, EF), MA. J. Paralectotype MNHN.F.A57275 (RV, EF), Vertus. K. MNHN.F.A66778 (LV, IF), MA. L. MNHN.F.A57132 (LV, IF), MA, not Vertus as indicated in Pacaud & Merle (2016: 47). Localities: MA = Bergères-lès-Vertus (Mont Aimé); VGM = Vertus (Grand Mont). Scale bars: A = 50 mm; B–I, K–L = 10 mm; J = 5 mm. Credit = P. Loubry (MNHN/CNRS).	2026-08-07	Merle, Didier		Zenodo	biologists	Merle, Didier			
F12B8A1C7E10FFFA135AFAB5FDBA91F4.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/21839710/files/figure.png	https://doi.org/10.5281/zenodo.21839710	Fig. 19. Bivalvia Linnaeus, 1758 (Plicatuloidea Gray, 1854, Myophorelloidea T. Kobayashi, 1954 and Carditoidea A. Férussac, 1822) from the Maastrichtian of the Paris Basin. A–D. Plicatula pacaudi sp. nov. A. Sample of three specimens, holotype MNHN.F.C02707 (a1, RV, EF), paratype MNHN.F.C03009 (a2, RV, EF), paratype MNHN.F.C02987 (a3, RV, EF), paratype MNHN.F.C02988 (a4, RV, EF), MA. B. Holotype MNHN.F.C02707 (a1) and paratype MNHN.F.C03010 (a2), detailed view. C. Paratype MNHN.F.C02989 (RV, EF), MA. D. Paratype MNHN.F.C02990 (RV, IF), MA. — E–G. Wolfgangella cf. neilpearti Jagt, M.R. Cooper & Jagt-Yazykova, 2022. E. MNHN.F.C03010 (LV, EF), VGM. F. Same specimen in dorso-posterior view. G. Same specimen in anterior view. — H–L. Baluchicardia hebertiana (d’Orbigny, 1850). H. Lectotype MNHN.F.R63240 (LV, EF), Vertus. I. MNHN.F.A57133 (LV, EF), MA. J. Paralectotype MNHN.F.A57275 (RV, EF), Vertus. K. MNHN.F.A66778 (LV, IF), MA. L. MNHN.F.A57132 (LV, IF), MA, not Vertus as indicated in Pacaud & Merle (2016: 47). Localities: MA = Bergères-lès-Vertus (Mont Aimé); VGM = Vertus (Grand Mont). Scale bars: A = 50 mm; B–I, K–L = 10 mm; J = 5 mm. Credit = P. Loubry (MNHN/CNRS).	Fig. 19. Bivalvia Linnaeus, 1758 (Plicatuloidea Gray, 1854, Myophorelloidea T. Kobayashi, 1954 and Carditoidea A. Férussac, 1822) from the Maastrichtian of the Paris Basin. A–D. Plicatula pacaudi sp. nov. A. Sample of three specimens, holotype MNHN.F.C02707 (a1, RV, EF), paratype MNHN.F.C03009 (a2, RV, EF), paratype MNHN.F.C02987 (a3, RV, EF), paratype MNHN.F.C02988 (a4, RV, EF), MA. B. Holotype MNHN.F.C02707 (a1) and paratype MNHN.F.C03010 (a2), detailed view. C. Paratype MNHN.F.C02989 (RV, EF), MA. D. Paratype MNHN.F.C02990 (RV, IF), MA. — E–G. Wolfgangella cf. neilpearti Jagt, M.R. Cooper & Jagt-Yazykova, 2022. E. MNHN.F.C03010 (LV, EF), VGM. F. Same specimen in dorso-posterior view. G. Same specimen in anterior view. — H–L. Baluchicardia hebertiana (d’Orbigny, 1850). H. Lectotype MNHN.F.R63240 (LV, EF), Vertus. I. MNHN.F.A57133 (LV, EF), MA. J. Paralectotype MNHN.F.A57275 (RV, EF), Vertus. K. MNHN.F.A66778 (LV, IF), MA. L. MNHN.F.A57132 (LV, IF), MA, not Vertus as indicated in Pacaud & Merle (2016: 47). Localities: MA = Bergères-lès-Vertus (Mont Aimé); VGM = Vertus (Grand Mont). Scale bars: A = 50 mm; B–I, K–L = 10 mm; J = 5 mm. Credit = P. Loubry (MNHN/CNRS).	2026-08-07	Merle, Didier		Zenodo	biologists	Merle, Didier			
F12B8A1C7E12FFFD1303FB6CFDBA96CE.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/21839712/files/figure.png	https://doi.org/10.5281/zenodo.21839712	Fig. 20. Bivalvia Linnaeus, 1758 (Carditoidea Fleming, 1828, Euheterodonta Giribet & Distel, 2003 indet., Chamoidea Lamarck, 1809 and Bivalvia indet.) from the Maastrichtian of the Paris Basin. A–D. Bathytormus sparnacensis sp. nov. A. Holotype MNHN.F.A66774 (RV, EF), MA. B. Paratype MNHN.F.A66776 (RV, EF), MA. C. Paratype MNHN.F.A66777 (LV, EF), MA. D. MNHN.F.A66775 (LV, EF), MA. — E. Euheterodonta indet. (tellinoid shape), MNHN.F.C02995 (RV), VGM. — F. Euheterodonta indet. (Recticardo shape), MNHN.F.A66784 (LV), VGM. — G–J. Euheterodonta indet. (lucinoid shape), G. MNHN.F.C02996 (LV, EF), VGM. H. MNHN.F.C02997 (LV, EF), VGM. I. MNHN.F.C02998 (RV, EF), MA. J. MNHN.F.C02999 (LV, IF), VGM. — K. Fimbria multilamellosa (d’Orbigny, 1850), MNHN.F.C03002 (RV, EF), Vertus. — L–M. Fimbria sp. 1. L. MNHN.F.A66780 (?RV, EF), MA. M. MNHN.F.A66779 (RV, EF), MA. — N. Fimbria sp. 2, MNHN.F.R63680 (?RV, EF), Vertus. — O–R. Chama loubryi sp. nov. O. MNHN.F.C03003 (LV, EF), MA. P. MNHN.F.C03004 (RV, EF), VGM. Q. UPMC.PAL.2017.0.19 (LV, EF), VF. R. MNHN.F.A66785, MA. — S. Bivalvia indet., MNHN.F.C03005, VGM. Localities: MA = Bergères-lès-Vertus (Mont Aimé); VF = Vertus (Faloise); VGM = Vertus (Grand Mont). Scale bars: A–D, F = 10 mm; E, G–S = 5 mm. Credits = P. Loubry (MNHN/CNRS).	Fig. 20. Bivalvia Linnaeus, 1758 (Carditoidea Fleming, 1828, Euheterodonta Giribet & Distel, 2003 indet., Chamoidea Lamarck, 1809 and Bivalvia indet.) from the Maastrichtian of the Paris Basin. A–D. Bathytormus sparnacensis sp. nov. A. Holotype MNHN.F.A66774 (RV, EF), MA. B. Paratype MNHN.F.A66776 (RV, EF), MA. C. Paratype MNHN.F.A66777 (LV, EF), MA. D. MNHN.F.A66775 (LV, EF), MA. — E. Euheterodonta indet. (tellinoid shape), MNHN.F.C02995 (RV), VGM. — F. Euheterodonta indet. (Recticardo shape), MNHN.F.A66784 (LV), VGM. — G–J. Euheterodonta indet. (lucinoid shape), G. MNHN.F.C02996 (LV, EF), VGM. H. MNHN.F.C02997 (LV, EF), VGM. I. MNHN.F.C02998 (RV, EF), MA. J. MNHN.F.C02999 (LV, IF), VGM. — K. Fimbria multilamellosa (d’Orbigny, 1850), MNHN.F.C03002 (RV, EF), Vertus. — L–M. Fimbria sp. 1. L. MNHN.F.A66780 (?RV, EF), MA. M. MNHN.F.A66779 (RV, EF), MA. — N. Fimbria sp. 2, MNHN.F.R63680 (?RV, EF), Vertus. — O–R. Chama loubryi sp. nov. O. MNHN.F.C03003 (LV, EF), MA. P. MNHN.F.C03004 (RV, EF), VGM. Q. UPMC.PAL.2017.0.19 (LV, EF), VF. R. MNHN.F.A66785, MA. — S. Bivalvia indet., MNHN.F.C03005, VGM. Localities: MA = Bergères-lès-Vertus (Mont Aimé); VF = Vertus (Faloise); VGM = Vertus (Grand Mont). Scale bars: A–D, F = 10 mm; E, G–S = 5 mm. Credits = P. Loubry (MNHN/CNRS).	2026-08-07	Merle, Didier		Zenodo	biologists	Merle, Didier			
F12B8A1C7E15FFFF137BF99EFBDE9155.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/21839712/files/figure.png	https://doi.org/10.5281/zenodo.21839712	Fig. 20. Bivalvia Linnaeus, 1758 (Carditoidea Fleming, 1828, Euheterodonta Giribet & Distel, 2003 indet., Chamoidea Lamarck, 1809 and Bivalvia indet.) from the Maastrichtian of the Paris Basin. A–D. Bathytormus sparnacensis sp. nov. A. Holotype MNHN.F.A66774 (RV, EF), MA. B. Paratype MNHN.F.A66776 (RV, EF), MA. C. Paratype MNHN.F.A66777 (LV, EF), MA. D. MNHN.F.A66775 (LV, EF), MA. — E. Euheterodonta indet. (tellinoid shape), MNHN.F.C02995 (RV), VGM. — F. Euheterodonta indet. (Recticardo shape), MNHN.F.A66784 (LV), VGM. — G–J. Euheterodonta indet. (lucinoid shape), G. MNHN.F.C02996 (LV, EF), VGM. H. MNHN.F.C02997 (LV, EF), VGM. I. MNHN.F.C02998 (RV, EF), MA. J. MNHN.F.C02999 (LV, IF), VGM. — K. Fimbria multilamellosa (d’Orbigny, 1850), MNHN.F.C03002 (RV, EF), Vertus. — L–M. Fimbria sp. 1. L. MNHN.F.A66780 (?RV, EF), MA. M. MNHN.F.A66779 (RV, EF), MA. — N. Fimbria sp. 2, MNHN.F.R63680 (?RV, EF), Vertus. — O–R. Chama loubryi sp. nov. O. MNHN.F.C03003 (LV, EF), MA. P. MNHN.F.C03004 (RV, EF), VGM. Q. UPMC.PAL.2017.0.19 (LV, EF), VF. R. MNHN.F.A66785, MA. — S. Bivalvia indet., MNHN.F.C03005, VGM. Localities: MA = Bergères-lès-Vertus (Mont Aimé); VF = Vertus (Faloise); VGM = Vertus (Grand Mont). Scale bars: A–D, F = 10 mm; E, G–S = 5 mm. Credits = P. Loubry (MNHN/CNRS).	Fig. 20. Bivalvia Linnaeus, 1758 (Carditoidea Fleming, 1828, Euheterodonta Giribet & Distel, 2003 indet., Chamoidea Lamarck, 1809 and Bivalvia indet.) from the Maastrichtian of the Paris Basin. A–D. Bathytormus sparnacensis sp. nov. A. Holotype MNHN.F.A66774 (RV, EF), MA. B. Paratype MNHN.F.A66776 (RV, EF), MA. C. Paratype MNHN.F.A66777 (LV, EF), MA. D. MNHN.F.A66775 (LV, EF), MA. — E. Euheterodonta indet. (tellinoid shape), MNHN.F.C02995 (RV), VGM. — F. Euheterodonta indet. (Recticardo shape), MNHN.F.A66784 (LV), VGM. — G–J. Euheterodonta indet. (lucinoid shape), G. MNHN.F.C02996 (LV, EF), VGM. H. MNHN.F.C02997 (LV, EF), VGM. I. MNHN.F.C02998 (RV, EF), MA. J. MNHN.F.C02999 (LV, IF), VGM. — K. Fimbria multilamellosa (d’Orbigny, 1850), MNHN.F.C03002 (RV, EF), Vertus. — L–M. Fimbria sp. 1. L. MNHN.F.A66780 (?RV, EF), MA. M. MNHN.F.A66779 (RV, EF), MA. — N. Fimbria sp. 2, MNHN.F.R63680 (?RV, EF), Vertus. — O–R. Chama loubryi sp. nov. O. MNHN.F.C03003 (LV, EF), MA. P. MNHN.F.C03004 (RV, EF), VGM. Q. UPMC.PAL.2017.0.19 (LV, EF), VF. R. MNHN.F.A66785, MA. — S. Bivalvia indet., MNHN.F.C03005, VGM. Localities: MA = Bergères-lès-Vertus (Mont Aimé); VF = Vertus (Faloise); VGM = Vertus (Grand Mont). Scale bars: A–D, F = 10 mm; E, G–S = 5 mm. Credits = P. Loubry (MNHN/CNRS).	2026-08-07	Merle, Didier		Zenodo	biologists	Merle, Didier			
F12B8A1C7E17FFFF1355FD55FD7F96D4.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/21839712/files/figure.png	https://doi.org/10.5281/zenodo.21839712	Fig. 20. Bivalvia Linnaeus, 1758 (Carditoidea Fleming, 1828, Euheterodonta Giribet & Distel, 2003 indet., Chamoidea Lamarck, 1809 and Bivalvia indet.) from the Maastrichtian of the Paris Basin. A–D. Bathytormus sparnacensis sp. nov. A. Holotype MNHN.F.A66774 (RV, EF), MA. B. Paratype MNHN.F.A66776 (RV, EF), MA. C. Paratype MNHN.F.A66777 (LV, EF), MA. D. MNHN.F.A66775 (LV, EF), MA. — E. Euheterodonta indet. (tellinoid shape), MNHN.F.C02995 (RV), VGM. — F. Euheterodonta indet. (Recticardo shape), MNHN.F.A66784 (LV), VGM. — G–J. Euheterodonta indet. (lucinoid shape), G. MNHN.F.C02996 (LV, EF), VGM. H. MNHN.F.C02997 (LV, EF), VGM. I. MNHN.F.C02998 (RV, EF), MA. J. MNHN.F.C02999 (LV, IF), VGM. — K. Fimbria multilamellosa (d’Orbigny, 1850), MNHN.F.C03002 (RV, EF), Vertus. — L–M. Fimbria sp. 1. L. MNHN.F.A66780 (?RV, EF), MA. M. MNHN.F.A66779 (RV, EF), MA. — N. Fimbria sp. 2, MNHN.F.R63680 (?RV, EF), Vertus. — O–R. Chama loubryi sp. nov. O. MNHN.F.C03003 (LV, EF), MA. P. MNHN.F.C03004 (RV, EF), VGM. Q. UPMC.PAL.2017.0.19 (LV, EF), VF. R. MNHN.F.A66785, MA. — S. Bivalvia indet., MNHN.F.C03005, VGM. Localities: MA = Bergères-lès-Vertus (Mont Aimé); VF = Vertus (Faloise); VGM = Vertus (Grand Mont). Scale bars: A–D, F = 10 mm; E, G–S = 5 mm. Credits = P. Loubry (MNHN/CNRS).	Fig. 20. Bivalvia Linnaeus, 1758 (Carditoidea Fleming, 1828, Euheterodonta Giribet & Distel, 2003 indet., Chamoidea Lamarck, 1809 and Bivalvia indet.) from the Maastrichtian of the Paris Basin. A–D. Bathytormus sparnacensis sp. nov. A. Holotype MNHN.F.A66774 (RV, EF), MA. B. Paratype MNHN.F.A66776 (RV, EF), MA. C. Paratype MNHN.F.A66777 (LV, EF), MA. D. MNHN.F.A66775 (LV, EF), MA. — E. Euheterodonta indet. (tellinoid shape), MNHN.F.C02995 (RV), VGM. — F. Euheterodonta indet. (Recticardo shape), MNHN.F.A66784 (LV), VGM. — G–J. Euheterodonta indet. (lucinoid shape), G. MNHN.F.C02996 (LV, EF), VGM. H. MNHN.F.C02997 (LV, EF), VGM. I. MNHN.F.C02998 (RV, EF), MA. J. MNHN.F.C02999 (LV, IF), VGM. — K. Fimbria multilamellosa (d’Orbigny, 1850), MNHN.F.C03002 (RV, EF), Vertus. — L–M. Fimbria sp. 1. L. MNHN.F.A66780 (?RV, EF), MA. M. MNHN.F.A66779 (RV, EF), MA. — N. Fimbria sp. 2, MNHN.F.R63680 (?RV, EF), Vertus. — O–R. Chama loubryi sp. nov. O. MNHN.F.C03003 (LV, EF), MA. P. MNHN.F.C03004 (RV, EF), VGM. Q. UPMC.PAL.2017.0.19 (LV, EF), VF. R. MNHN.F.A66785, MA. — S. Bivalvia indet., MNHN.F.C03005, VGM. Localities: MA = Bergères-lès-Vertus (Mont Aimé); VF = Vertus (Faloise); VGM = Vertus (Grand Mont). Scale bars: A–D, F = 10 mm; E, G–S = 5 mm. Credits = P. Loubry (MNHN/CNRS).	2026-08-07	Merle, Didier		Zenodo	biologists	Merle, Didier			
F12B8A1C7E17FFFE1365F9D4FC27906E.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/21839712/files/figure.png	https://doi.org/10.5281/zenodo.21839712	Fig. 20. Bivalvia Linnaeus, 1758 (Carditoidea Fleming, 1828, Euheterodonta Giribet & Distel, 2003 indet., Chamoidea Lamarck, 1809 and Bivalvia indet.) from the Maastrichtian of the Paris Basin. A–D. Bathytormus sparnacensis sp. nov. A. Holotype MNHN.F.A66774 (RV, EF), MA. B. Paratype MNHN.F.A66776 (RV, EF), MA. C. Paratype MNHN.F.A66777 (LV, EF), MA. D. MNHN.F.A66775 (LV, EF), MA. — E. Euheterodonta indet. (tellinoid shape), MNHN.F.C02995 (RV), VGM. — F. Euheterodonta indet. (Recticardo shape), MNHN.F.A66784 (LV), VGM. — G–J. Euheterodonta indet. (lucinoid shape), G. MNHN.F.C02996 (LV, EF), VGM. H. MNHN.F.C02997 (LV, EF), VGM. I. MNHN.F.C02998 (RV, EF), MA. J. MNHN.F.C02999 (LV, IF), VGM. — K. Fimbria multilamellosa (d’Orbigny, 1850), MNHN.F.C03002 (RV, EF), Vertus. — L–M. Fimbria sp. 1. L. MNHN.F.A66780 (?RV, EF), MA. M. MNHN.F.A66779 (RV, EF), MA. — N. Fimbria sp. 2, MNHN.F.R63680 (?RV, EF), Vertus. — O–R. Chama loubryi sp. nov. O. MNHN.F.C03003 (LV, EF), MA. P. MNHN.F.C03004 (RV, EF), VGM. Q. UPMC.PAL.2017.0.19 (LV, EF), VF. R. MNHN.F.A66785, MA. — S. Bivalvia indet., MNHN.F.C03005, VGM. Localities: MA = Bergères-lès-Vertus (Mont Aimé); VF = Vertus (Faloise); VGM = Vertus (Grand Mont). Scale bars: A–D, F = 10 mm; E, G–S = 5 mm. Credits = P. Loubry (MNHN/CNRS).	Fig. 20. Bivalvia Linnaeus, 1758 (Carditoidea Fleming, 1828, Euheterodonta Giribet & Distel, 2003 indet., Chamoidea Lamarck, 1809 and Bivalvia indet.) from the Maastrichtian of the Paris Basin. A–D. Bathytormus sparnacensis sp. nov. A. Holotype MNHN.F.A66774 (RV, EF), MA. B. Paratype MNHN.F.A66776 (RV, EF), MA. C. Paratype MNHN.F.A66777 (LV, EF), MA. D. MNHN.F.A66775 (LV, EF), MA. — E. Euheterodonta indet. (tellinoid shape), MNHN.F.C02995 (RV), VGM. — F. Euheterodonta indet. (Recticardo shape), MNHN.F.A66784 (LV), VGM. — G–J. Euheterodonta indet. (lucinoid shape), G. MNHN.F.C02996 (LV, EF), VGM. H. MNHN.F.C02997 (LV, EF), VGM. I. MNHN.F.C02998 (RV, EF), MA. J. MNHN.F.C02999 (LV, IF), VGM. — K. Fimbria multilamellosa (d’Orbigny, 1850), MNHN.F.C03002 (RV, EF), Vertus. — L–M. Fimbria sp. 1. L. MNHN.F.A66780 (?RV, EF), MA. M. MNHN.F.A66779 (RV, EF), MA. — N. Fimbria sp. 2, MNHN.F.R63680 (?RV, EF), Vertus. — O–R. Chama loubryi sp. nov. O. MNHN.F.C03003 (LV, EF), MA. P. MNHN.F.C03004 (RV, EF), VGM. Q. UPMC.PAL.2017.0.19 (LV, EF), VF. R. MNHN.F.A66785, MA. — S. Bivalvia indet., MNHN.F.C03005, VGM. Localities: MA = Bergères-lès-Vertus (Mont Aimé); VF = Vertus (Faloise); VGM = Vertus (Grand Mont). Scale bars: A–D, F = 10 mm; E, G–S = 5 mm. Credits = P. Loubry (MNHN/CNRS).	2026-08-07	Merle, Didier		Zenodo	biologists	Merle, Didier			
F12B8A1C7E16FFE11356FB3BFD49949F.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/21839712/files/figure.png	https://doi.org/10.5281/zenodo.21839712	Fig. 20. Bivalvia Linnaeus, 1758 (Carditoidea Fleming, 1828, Euheterodonta Giribet & Distel, 2003 indet., Chamoidea Lamarck, 1809 and Bivalvia indet.) from the Maastrichtian of the Paris Basin. A–D. Bathytormus sparnacensis sp. nov. A. Holotype MNHN.F.A66774 (RV, EF), MA. B. Paratype MNHN.F.A66776 (RV, EF), MA. C. Paratype MNHN.F.A66777 (LV, EF), MA. D. MNHN.F.A66775 (LV, EF), MA. — E. Euheterodonta indet. (tellinoid shape), MNHN.F.C02995 (RV), VGM. — F. Euheterodonta indet. (Recticardo shape), MNHN.F.A66784 (LV), VGM. — G–J. Euheterodonta indet. (lucinoid shape), G. MNHN.F.C02996 (LV, EF), VGM. H. MNHN.F.C02997 (LV, EF), VGM. I. MNHN.F.C02998 (RV, EF), MA. J. MNHN.F.C02999 (LV, IF), VGM. — K. Fimbria multilamellosa (d’Orbigny, 1850), MNHN.F.C03002 (RV, EF), Vertus. — L–M. Fimbria sp. 1. L. MNHN.F.A66780 (?RV, EF), MA. M. MNHN.F.A66779 (RV, EF), MA. — N. Fimbria sp. 2, MNHN.F.R63680 (?RV, EF), Vertus. — O–R. Chama loubryi sp. nov. O. MNHN.F.C03003 (LV, EF), MA. P. MNHN.F.C03004 (RV, EF), VGM. Q. UPMC.PAL.2017.0.19 (LV, EF), VF. R. MNHN.F.A66785, MA. — S. Bivalvia indet., MNHN.F.C03005, VGM. Localities: MA = Bergères-lès-Vertus (Mont Aimé); VF = Vertus (Faloise); VGM = Vertus (Grand Mont). Scale bars: A–D, F = 10 mm; E, G–S = 5 mm. Credits = P. Loubry (MNHN/CNRS).	Fig. 20. Bivalvia Linnaeus, 1758 (Carditoidea Fleming, 1828, Euheterodonta Giribet & Distel, 2003 indet., Chamoidea Lamarck, 1809 and Bivalvia indet.) from the Maastrichtian of the Paris Basin. A–D. Bathytormus sparnacensis sp. nov. A. Holotype MNHN.F.A66774 (RV, EF), MA. B. Paratype MNHN.F.A66776 (RV, EF), MA. C. Paratype MNHN.F.A66777 (LV, EF), MA. D. MNHN.F.A66775 (LV, EF), MA. — E. Euheterodonta indet. (tellinoid shape), MNHN.F.C02995 (RV), VGM. — F. Euheterodonta indet. (Recticardo shape), MNHN.F.A66784 (LV), VGM. — G–J. Euheterodonta indet. (lucinoid shape), G. MNHN.F.C02996 (LV, EF), VGM. H. MNHN.F.C02997 (LV, EF), VGM. I. MNHN.F.C02998 (RV, EF), MA. J. MNHN.F.C02999 (LV, IF), VGM. — K. Fimbria multilamellosa (d’Orbigny, 1850), MNHN.F.C03002 (RV, EF), Vertus. — L–M. Fimbria sp. 1. L. MNHN.F.A66780 (?RV, EF), MA. M. MNHN.F.A66779 (RV, EF), MA. — N. Fimbria sp. 2, MNHN.F.R63680 (?RV, EF), Vertus. — O–R. Chama loubryi sp. nov. O. MNHN.F.C03003 (LV, EF), MA. P. MNHN.F.C03004 (RV, EF), VGM. Q. UPMC.PAL.2017.0.19 (LV, EF), VF. R. MNHN.F.A66785, MA. — S. Bivalvia indet., MNHN.F.C03005, VGM. Localities: MA = Bergères-lès-Vertus (Mont Aimé); VF = Vertus (Faloise); VGM = Vertus (Grand Mont). Scale bars: A–D, F = 10 mm; E, G–S = 5 mm. Credits = P. Loubry (MNHN/CNRS).	2026-08-07	Merle, Didier		Zenodo	biologists	Merle, Didier			
F12B8A1C7E08FFE01383FEC4FBE29555.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/21839712/files/figure.png	https://doi.org/10.5281/zenodo.21839712	Fig. 20. Bivalvia Linnaeus, 1758 (Carditoidea Fleming, 1828, Euheterodonta Giribet & Distel, 2003 indet., Chamoidea Lamarck, 1809 and Bivalvia indet.) from the Maastrichtian of the Paris Basin. A–D. Bathytormus sparnacensis sp. nov. A. Holotype MNHN.F.A66774 (RV, EF), MA. B. Paratype MNHN.F.A66776 (RV, EF), MA. C. Paratype MNHN.F.A66777 (LV, EF), MA. D. MNHN.F.A66775 (LV, EF), MA. — E. Euheterodonta indet. (tellinoid shape), MNHN.F.C02995 (RV), VGM. — F. Euheterodonta indet. (Recticardo shape), MNHN.F.A66784 (LV), VGM. — G–J. Euheterodonta indet. (lucinoid shape), G. MNHN.F.C02996 (LV, EF), VGM. H. MNHN.F.C02997 (LV, EF), VGM. I. MNHN.F.C02998 (RV, EF), MA. J. MNHN.F.C02999 (LV, IF), VGM. — K. Fimbria multilamellosa (d’Orbigny, 1850), MNHN.F.C03002 (RV, EF), Vertus. — L–M. Fimbria sp. 1. L. MNHN.F.A66780 (?RV, EF), MA. M. MNHN.F.A66779 (RV, EF), MA. — N. Fimbria sp. 2, MNHN.F.R63680 (?RV, EF), Vertus. — O–R. Chama loubryi sp. nov. O. MNHN.F.C03003 (LV, EF), MA. P. MNHN.F.C03004 (RV, EF), VGM. Q. UPMC.PAL.2017.0.19 (LV, EF), VF. R. MNHN.F.A66785, MA. — S. Bivalvia indet., MNHN.F.C03005, VGM. Localities: MA = Bergères-lès-Vertus (Mont Aimé); VF = Vertus (Faloise); VGM = Vertus (Grand Mont). Scale bars: A–D, F = 10 mm; E, G–S = 5 mm. Credits = P. Loubry (MNHN/CNRS).	Fig. 20. Bivalvia Linnaeus, 1758 (Carditoidea Fleming, 1828, Euheterodonta Giribet & Distel, 2003 indet., Chamoidea Lamarck, 1809 and Bivalvia indet.) from the Maastrichtian of the Paris Basin. A–D. Bathytormus sparnacensis sp. nov. A. Holotype MNHN.F.A66774 (RV, EF), MA. B. Paratype MNHN.F.A66776 (RV, EF), MA. C. Paratype MNHN.F.A66777 (LV, EF), MA. D. MNHN.F.A66775 (LV, EF), MA. — E. Euheterodonta indet. (tellinoid shape), MNHN.F.C02995 (RV), VGM. — F. Euheterodonta indet. (Recticardo shape), MNHN.F.A66784 (LV), VGM. — G–J. Euheterodonta indet. (lucinoid shape), G. MNHN.F.C02996 (LV, EF), VGM. H. MNHN.F.C02997 (LV, EF), VGM. I. MNHN.F.C02998 (RV, EF), MA. J. MNHN.F.C02999 (LV, IF), VGM. — K. Fimbria multilamellosa (d’Orbigny, 1850), MNHN.F.C03002 (RV, EF), Vertus. — L–M. Fimbria sp. 1. L. MNHN.F.A66780 (?RV, EF), MA. M. MNHN.F.A66779 (RV, EF), MA. — N. Fimbria sp. 2, MNHN.F.R63680 (?RV, EF), Vertus. — O–R. Chama loubryi sp. nov. O. MNHN.F.C03003 (LV, EF), MA. P. MNHN.F.C03004 (RV, EF), VGM. Q. UPMC.PAL.2017.0.19 (LV, EF), VF. R. MNHN.F.A66785, MA. — S. Bivalvia indet., MNHN.F.C03005, VGM. Localities: MA = Bergères-lès-Vertus (Mont Aimé); VF = Vertus (Faloise); VGM = Vertus (Grand Mont). Scale bars: A–D, F = 10 mm; E, G–S = 5 mm. Credits = P. Loubry (MNHN/CNRS).	2026-08-07	Merle, Didier		Zenodo	biologists	Merle, Didier			
F12B8A1C7E08FFE31383F954FEDF91C6.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/21839712/files/figure.png	https://doi.org/10.5281/zenodo.21839712	Fig. 20. Bivalvia Linnaeus, 1758 (Carditoidea Fleming, 1828, Euheterodonta Giribet & Distel, 2003 indet., Chamoidea Lamarck, 1809 and Bivalvia indet.) from the Maastrichtian of the Paris Basin. A–D. Bathytormus sparnacensis sp. nov. A. Holotype MNHN.F.A66774 (RV, EF), MA. B. Paratype MNHN.F.A66776 (RV, EF), MA. C. Paratype MNHN.F.A66777 (LV, EF), MA. D. MNHN.F.A66775 (LV, EF), MA. — E. Euheterodonta indet. (tellinoid shape), MNHN.F.C02995 (RV), VGM. — F. Euheterodonta indet. (Recticardo shape), MNHN.F.A66784 (LV), VGM. — G–J. Euheterodonta indet. (lucinoid shape), G. MNHN.F.C02996 (LV, EF), VGM. H. MNHN.F.C02997 (LV, EF), VGM. I. MNHN.F.C02998 (RV, EF), MA. J. MNHN.F.C02999 (LV, IF), VGM. — K. Fimbria multilamellosa (d’Orbigny, 1850), MNHN.F.C03002 (RV, EF), Vertus. — L–M. Fimbria sp. 1. L. MNHN.F.A66780 (?RV, EF), MA. M. MNHN.F.A66779 (RV, EF), MA. — N. Fimbria sp. 2, MNHN.F.R63680 (?RV, EF), Vertus. — O–R. Chama loubryi sp. nov. O. MNHN.F.C03003 (LV, EF), MA. P. MNHN.F.C03004 (RV, EF), VGM. Q. UPMC.PAL.2017.0.19 (LV, EF), VF. R. MNHN.F.A66785, MA. — S. Bivalvia indet., MNHN.F.C03005, VGM. Localities: MA = Bergères-lès-Vertus (Mont Aimé); VF = Vertus (Faloise); VGM = Vertus (Grand Mont). Scale bars: A–D, F = 10 mm; E, G–S = 5 mm. Credits = P. Loubry (MNHN/CNRS).	Fig. 20. Bivalvia Linnaeus, 1758 (Carditoidea Fleming, 1828, Euheterodonta Giribet & Distel, 2003 indet., Chamoidea Lamarck, 1809 and Bivalvia indet.) from the Maastrichtian of the Paris Basin. A–D. Bathytormus sparnacensis sp. nov. A. Holotype MNHN.F.A66774 (RV, EF), MA. B. Paratype MNHN.F.A66776 (RV, EF), MA. C. Paratype MNHN.F.A66777 (LV, EF), MA. D. MNHN.F.A66775 (LV, EF), MA. — E. Euheterodonta indet. (tellinoid shape), MNHN.F.C02995 (RV), VGM. — F. Euheterodonta indet. (Recticardo shape), MNHN.F.A66784 (LV), VGM. — G–J. Euheterodonta indet. (lucinoid shape), G. MNHN.F.C02996 (LV, EF), VGM. H. MNHN.F.C02997 (LV, EF), VGM. I. MNHN.F.C02998 (RV, EF), MA. J. MNHN.F.C02999 (LV, IF), VGM. — K. Fimbria multilamellosa (d’Orbigny, 1850), MNHN.F.C03002 (RV, EF), Vertus. — L–M. Fimbria sp. 1. L. MNHN.F.A66780 (?RV, EF), MA. M. MNHN.F.A66779 (RV, EF), MA. — N. Fimbria sp. 2, MNHN.F.R63680 (?RV, EF), Vertus. — O–R. Chama loubryi sp. nov. O. MNHN.F.C03003 (LV, EF), MA. P. MNHN.F.C03004 (RV, EF), VGM. Q. UPMC.PAL.2017.0.19 (LV, EF), VF. R. MNHN.F.A66785, MA. — S. Bivalvia indet., MNHN.F.C03005, VGM. Localities: MA = Bergères-lès-Vertus (Mont Aimé); VF = Vertus (Faloise); VGM = Vertus (Grand Mont). Scale bars: A–D, F = 10 mm; E, G–S = 5 mm. Credits = P. Loubry (MNHN/CNRS).	2026-08-07	Merle, Didier		Zenodo	biologists	Merle, Didier			
F12B8A1C7E0BFFE213C4FB3BFDBA97F4.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/21839712/files/figure.png	https://doi.org/10.5281/zenodo.21839712	Fig. 20. Bivalvia Linnaeus, 1758 (Carditoidea Fleming, 1828, Euheterodonta Giribet & Distel, 2003 indet., Chamoidea Lamarck, 1809 and Bivalvia indet.) from the Maastrichtian of the Paris Basin. A–D. Bathytormus sparnacensis sp. nov. A. Holotype MNHN.F.A66774 (RV, EF), MA. B. Paratype MNHN.F.A66776 (RV, EF), MA. C. Paratype MNHN.F.A66777 (LV, EF), MA. D. MNHN.F.A66775 (LV, EF), MA. — E. Euheterodonta indet. (tellinoid shape), MNHN.F.C02995 (RV), VGM. — F. Euheterodonta indet. (Recticardo shape), MNHN.F.A66784 (LV), VGM. — G–J. Euheterodonta indet. (lucinoid shape), G. MNHN.F.C02996 (LV, EF), VGM. H. MNHN.F.C02997 (LV, EF), VGM. I. MNHN.F.C02998 (RV, EF), MA. J. MNHN.F.C02999 (LV, IF), VGM. — K. Fimbria multilamellosa (d’Orbigny, 1850), MNHN.F.C03002 (RV, EF), Vertus. — L–M. Fimbria sp. 1. L. MNHN.F.A66780 (?RV, EF), MA. M. MNHN.F.A66779 (RV, EF), MA. — N. Fimbria sp. 2, MNHN.F.R63680 (?RV, EF), Vertus. — O–R. Chama loubryi sp. nov. O. MNHN.F.C03003 (LV, EF), MA. P. MNHN.F.C03004 (RV, EF), VGM. Q. UPMC.PAL.2017.0.19 (LV, EF), VF. R. MNHN.F.A66785, MA. — S. Bivalvia indet., MNHN.F.C03005, VGM. Localities: MA = Bergères-lès-Vertus (Mont Aimé); VF = Vertus (Faloise); VGM = Vertus (Grand Mont). Scale bars: A–D, F = 10 mm; E, G–S = 5 mm. Credits = P. Loubry (MNHN/CNRS).	Fig. 20. Bivalvia Linnaeus, 1758 (Carditoidea Fleming, 1828, Euheterodonta Giribet & Distel, 2003 indet., Chamoidea Lamarck, 1809 and Bivalvia indet.) from the Maastrichtian of the Paris Basin. A–D. Bathytormus sparnacensis sp. nov. A. Holotype MNHN.F.A66774 (RV, EF), MA. B. Paratype MNHN.F.A66776 (RV, EF), MA. C. Paratype MNHN.F.A66777 (LV, EF), MA. D. MNHN.F.A66775 (LV, EF), MA. — E. Euheterodonta indet. (tellinoid shape), MNHN.F.C02995 (RV), VGM. — F. Euheterodonta indet. (Recticardo shape), MNHN.F.A66784 (LV), VGM. — G–J. Euheterodonta indet. (lucinoid shape), G. MNHN.F.C02996 (LV, EF), VGM. H. MNHN.F.C02997 (LV, EF), VGM. I. MNHN.F.C02998 (RV, EF), MA. J. MNHN.F.C02999 (LV, IF), VGM. — K. Fimbria multilamellosa (d’Orbigny, 1850), MNHN.F.C03002 (RV, EF), Vertus. — L–M. Fimbria sp. 1. L. MNHN.F.A66780 (?RV, EF), MA. M. MNHN.F.A66779 (RV, EF), MA. — N. Fimbria sp. 2, MNHN.F.R63680 (?RV, EF), Vertus. — O–R. Chama loubryi sp. nov. O. MNHN.F.C03003 (LV, EF), MA. P. MNHN.F.C03004 (RV, EF), VGM. Q. UPMC.PAL.2017.0.19 (LV, EF), VF. R. MNHN.F.A66785, MA. — S. Bivalvia indet., MNHN.F.C03005, VGM. Localities: MA = Bergères-lès-Vertus (Mont Aimé); VF = Vertus (Faloise); VGM = Vertus (Grand Mont). Scale bars: A–D, F = 10 mm; E, G–S = 5 mm. Credits = P. Loubry (MNHN/CNRS).	2026-08-07	Merle, Didier		Zenodo	biologists	Merle, Didier			
F12B8A1C7E0AFFE51388FAF4FC1492FA.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/21839712/files/figure.png	https://doi.org/10.5281/zenodo.21839712	Fig. 20. Bivalvia Linnaeus, 1758 (Carditoidea Fleming, 1828, Euheterodonta Giribet & Distel, 2003 indet., Chamoidea Lamarck, 1809 and Bivalvia indet.) from the Maastrichtian of the Paris Basin. A–D. Bathytormus sparnacensis sp. nov. A. Holotype MNHN.F.A66774 (RV, EF), MA. B. Paratype MNHN.F.A66776 (RV, EF), MA. C. Paratype MNHN.F.A66777 (LV, EF), MA. D. MNHN.F.A66775 (LV, EF), MA. — E. Euheterodonta indet. (tellinoid shape), MNHN.F.C02995 (RV), VGM. — F. Euheterodonta indet. (Recticardo shape), MNHN.F.A66784 (LV), VGM. — G–J. Euheterodonta indet. (lucinoid shape), G. MNHN.F.C02996 (LV, EF), VGM. H. MNHN.F.C02997 (LV, EF), VGM. I. MNHN.F.C02998 (RV, EF), MA. J. MNHN.F.C02999 (LV, IF), VGM. — K. Fimbria multilamellosa (d’Orbigny, 1850), MNHN.F.C03002 (RV, EF), Vertus. — L–M. Fimbria sp. 1. L. MNHN.F.A66780 (?RV, EF), MA. M. MNHN.F.A66779 (RV, EF), MA. — N. Fimbria sp. 2, MNHN.F.R63680 (?RV, EF), Vertus. — O–R. Chama loubryi sp. nov. O. MNHN.F.C03003 (LV, EF), MA. P. MNHN.F.C03004 (RV, EF), VGM. Q. UPMC.PAL.2017.0.19 (LV, EF), VF. R. MNHN.F.A66785, MA. — S. Bivalvia indet., MNHN.F.C03005, VGM. Localities: MA = Bergères-lès-Vertus (Mont Aimé); VF = Vertus (Faloise); VGM = Vertus (Grand Mont). Scale bars: A–D, F = 10 mm; E, G–S = 5 mm. Credits = P. Loubry (MNHN/CNRS).	Fig. 20. Bivalvia Linnaeus, 1758 (Carditoidea Fleming, 1828, Euheterodonta Giribet & Distel, 2003 indet., Chamoidea Lamarck, 1809 and Bivalvia indet.) from the Maastrichtian of the Paris Basin. A–D. Bathytormus sparnacensis sp. nov. A. Holotype MNHN.F.A66774 (RV, EF), MA. B. Paratype MNHN.F.A66776 (RV, EF), MA. C. Paratype MNHN.F.A66777 (LV, EF), MA. D. MNHN.F.A66775 (LV, EF), MA. — E. Euheterodonta indet. (tellinoid shape), MNHN.F.C02995 (RV), VGM. — F. Euheterodonta indet. (Recticardo shape), MNHN.F.A66784 (LV), VGM. — G–J. Euheterodonta indet. (lucinoid shape), G. MNHN.F.C02996 (LV, EF), VGM. H. MNHN.F.C02997 (LV, EF), VGM. I. MNHN.F.C02998 (RV, EF), MA. J. MNHN.F.C02999 (LV, IF), VGM. — K. Fimbria multilamellosa (d’Orbigny, 1850), MNHN.F.C03002 (RV, EF), Vertus. — L–M. Fimbria sp. 1. L. MNHN.F.A66780 (?RV, EF), MA. M. MNHN.F.A66779 (RV, EF), MA. — N. Fimbria sp. 2, MNHN.F.R63680 (?RV, EF), Vertus. — O–R. Chama loubryi sp. nov. O. MNHN.F.C03003 (LV, EF), MA. P. MNHN.F.C03004 (RV, EF), VGM. Q. UPMC.PAL.2017.0.19 (LV, EF), VF. R. MNHN.F.A66785, MA. — S. Bivalvia indet., MNHN.F.C03005, VGM. Localities: MA = Bergères-lès-Vertus (Mont Aimé); VF = Vertus (Faloise); VGM = Vertus (Grand Mont). Scale bars: A–D, F = 10 mm; E, G–S = 5 mm. Credits = P. Loubry (MNHN/CNRS).	2026-08-07	Merle, Didier		Zenodo	biologists	Merle, Didier			
F12B8A1C7E0DFFE713F0FD41FA9C9182.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/21839714/files/figure.png	https://doi.org/10.5281/zenodo.21839714	Fig. 21. Cephalopoda Cuvier, 1795 of the Maastrichtian of the Paris Basin. A–D. Nautiloidea indet. A. MNHN.F.C03008 (leg. Fronteau), apertural view; MA. B–C. Same specimen in lateral viewes. D. Same specimen, detailed view of the umbilicus. — E–F. Ex syntype of Nautilus hebertinus d’Orbigny, 1850, MNHN.F.B46110 (unindentifiable fragments), BE. Material: internal moulds. Localities: BE = Esmans (Bois d’Esmans); MA = Bergères-lès-Vertus (Mont Aimé). Scale bars: A–C = 50 mm; D–F = 10 mm. Credits: A–B, E–F = P. Loubry (MNHN/CNRS); C–D = D. Merle.	Fig. 21. Cephalopoda Cuvier, 1795 of the Maastrichtian of the Paris Basin. A–D. Nautiloidea indet. A. MNHN.F.C03008 (leg. Fronteau), apertural view; MA. B–C. Same specimen in lateral viewes. D. Same specimen, detailed view of the umbilicus. — E–F. Ex syntype of Nautilus hebertinus d’Orbigny, 1850, MNHN.F.B46110 (unindentifiable fragments), BE. Material: internal moulds. Localities: BE = Esmans (Bois d’Esmans); MA = Bergères-lès-Vertus (Mont Aimé). Scale bars: A–C = 50 mm; D–F = 10 mm. Credits: A–B, E–F = P. Loubry (MNHN/CNRS); C–D = D. Merle.	2026-08-07	Merle, Didier		Zenodo	biologists	Merle, Didier			
F12B8A1C7E0DFFE713F0FD41FA9C9182.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/21839716/files/figure.png	https://doi.org/10.5281/zenodo.21839716	Fig. 22. Palaeoecological data. A. Histogram showing the size range in millimetres for the gastropods and the bivalves of the lithified facies of Vertus (Grand Mont and Faloise), Bergères-lès-Vertus (Mont Aimé) and Bois d’Esmans, Maastrichtian, Paris Basin, France. B–C. Histograms showing the distribution of taxa by feeding for the gastropods (B) and bivalves (C) in the upper beds of Vertus (Grand Mont) and Mont Aimé. D. Histogram showing the distribution of taxa mobility types for the same localities. E. Silicone elastomer cast from the sandy limestone with shell concentrations of Mont Aimé showing bivalve shells (mainly Glyptoactis) mixed with carbonate pebbles (p). Abbreviations: CB = browsing carnivores; CP = predatory carnivores; DC = chemosymbiotic deposit feeders; DS = surface deposit feeders; DU = subsurface deposit feeder; EF = fixed epibionts; EM = mobile epibionts; EN = endobionts; HM = herbivores on fine-grained substrates; HR = herbivores on rock, rubble or coral substrates; HO = herbivorous omnivores; SU = suspension feeders. Scale bar = 50 mm. Credit = P. Loubry (MNHN/ CNRS).	Fig. 22. Palaeoecological data. A. Histogram showing the size range in millimetres for the gastropods and the bivalves of the lithified facies of Vertus (Grand Mont and Faloise), Bergères-lès-Vertus (Mont Aimé) and Bois d’Esmans, Maastrichtian, Paris Basin, France. B–C. Histograms showing the distribution of taxa by feeding for the gastropods (B) and bivalves (C) in the upper beds of Vertus (Grand Mont) and Mont Aimé. D. Histogram showing the distribution of taxa mobility types for the same localities. E. Silicone elastomer cast from the sandy limestone with shell concentrations of Mont Aimé showing bivalve shells (mainly Glyptoactis) mixed with carbonate pebbles (p). Abbreviations: CB = browsing carnivores; CP = predatory carnivores; DC = chemosymbiotic deposit feeders; DS = surface deposit feeders; DU = subsurface deposit feeder; EF = fixed epibionts; EM = mobile epibionts; EN = endobionts; HM = herbivores on fine-grained substrates; HR = herbivores on rock, rubble or coral substrates; HO = herbivorous omnivores; SU = suspension feeders. Scale bar = 50 mm. Credit = P. Loubry (MNHN/ CNRS).	2026-08-07	Merle, Didier		Zenodo	biologists	Merle, Didier			
