taxonID	namePublishedIn	acceptedNameUsageID	parentNameUsageID	originalNameUsageID	kingdom	phylum	class	order	family	genus	taxonRank	scientificName	scientificNameAuthorship	canonicalName	verbatimScientificName	basionymAuthors	basionymYear	combinationAuthors	combinationYear	taxonomicStatus	nomenclaturalStatus	references	taxonRemarks
F12B8A1C7E53FFBB132AFB80FC86964D.taxon					Animalia	Mollusca	Gastropoda	Lepetellida	Fissurellidae	Diodora	genus	Diodora J. E. Gray 1821	J. E. Gray 1821	Diodora	Diodora J. E. Gray, 1821			J. E. Gray	1821			https://treatment.plazi.org/id/F12B8A1C7E53FFBB132AFB80FC86964D	
F12B8A1C7E53FFBA139EFA5CFE0A908A.taxon					Animalia	Mollusca	Gastropoda	Lepetellida	Fissurellidae	Diodora	species	Diodora undetermined		Diodora undetermined	Diodora sp.							https://treatment.plazi.org/id/F12B8A1C7E53FFBA139EFA5CFE0A908A	
F12B8A1C7E52FFBA1095FC19FAF397C8.taxon					Animalia	Mollusca	Gastropoda	Trochida			order	Trochida		Trochida	Trochida							https://treatment.plazi.org/id/F12B8A1C7E52FFBA1095FC19FAF397C8	
F12B8A1C7E52FFBC13E5FA99FB35929C.taxon					Animalia	Mollusca	Gastropoda	Trochida			superFamily	Trochoidea Rafinesque 1815	Rafinesque 1815	Trochoidea	Trochoidea			Rafinesque	1815			https://treatment.plazi.org/id/F12B8A1C7E52FFBC13E5FA99FB35929C	
F12B8A1C7E54FFBC130DFD8FFB3D9079.taxon					Animalia	Mollusca	Gastropoda	Trochida	Calliostomatidae	Calliostoma	genus	Calliostoma Swainson 1840	Swainson 1840	Calliostoma	Calliostoma Swainson, 1840			Swainson	1840			https://treatment.plazi.org/id/F12B8A1C7E54FFBC130DFD8FFB3D9079	
F12B8A1C7E54FFBF136CFC48FDBA9071.taxon	Merle, Didier (2026): Biodiversity and palaeoecology of the Maastrichtian marine molluscs from the Paris Basin (France). European Journal of Taxonomy 1083: 1-108, DOI: 10.5852/ejt.2026.1083.3313, URL: https://europeanjournaloftaxonomy.eu/index.php/ejt/article/download/3313/14563				Animalia	Mollusca	Gastropoda	Trochida	Calliostomatidae	Calliostoma	species	Calliostoma monswavinarensis Merle 2026	Merle 2026	Calliostoma monswavinarensis	Calliostoma monswavinarensis			Merle	2026		spec. nov.	https://treatment.plazi.org/id/F12B8A1C7E54FFBF136CFC48FDBA9071	
F12B8A1C7E57FFBF1323FC13FDA79546.taxon	Merle, Didier (2026): Biodiversity and palaeoecology of the Maastrichtian marine molluscs from the Paris Basin (France). European Journal of Taxonomy 1083: 1-108, DOI: 10.5852/ejt.2026.1083.3313, URL: https://europeanjournaloftaxonomy.eu/index.php/ejt/article/download/3313/14563				Animalia	Mollusca	Gastropoda	Lepetellida	Fissurellidae	Sparnollonia	genus	Sparnollonia Merle 2026	Merle 2026	Sparnollonia	Sparnollonia			Merle	2026		gen. nov.	https://treatment.plazi.org/id/F12B8A1C7E57FFBF1323FC13FDA79546	
F12B8A1C7E57FFA01364F945FDBA9139.taxon	Merle, Didier (2026): Biodiversity and palaeoecology of the Maastrichtian marine molluscs from the Paris Basin (France). European Journal of Taxonomy 1083: 1-108, DOI: 10.5852/ejt.2026.1083.3313, URL: https://europeanjournaloftaxonomy.eu/index.php/ejt/article/download/3313/14563				Animalia	Mollusca	Gastropoda	Lepetellida	Fissurellidae	Sparnollonia	species	Sparnollonia bicarinata Merle 2026	Merle 2026	Sparnollonia bicarinata	Sparnollonia bicarinata			Merle	2026		spec. nov.	https://treatment.plazi.org/id/F12B8A1C7E57FFA01364F945FDBA9139	
F12B8A1C7E57FFA01364F945FDBA9139.taxon.syn1		F12B8A1C7E57FFA01364F945FDBA9139.taxon			Animalia	Mollusca	Gastropoda	Trochida	Margaritidae	Afrollonia	species	Afrollonia undetermined		Afrollonia undetermined	Afrollonia sp.					synonym		https://treatment.plazi.org/id/F12B8A1C7E57FFA01364F945FDBA9139	
F12B8A1C7E48FFA01327FD48FB059798.taxon					Animalia	Mollusca	Gastropoda	Trochida	Tegulidae	Tectus	genus	Tectus Montfort 1810	Montfort 1810	Tectus	Tectus Montfort, 1810			Montfort	1810			https://treatment.plazi.org/id/F12B8A1C7E48FFA01327FD48FB059798	
F12B8A1C7E48FFA21326FB2EFD109019.taxon	Merle, Didier (2026): Biodiversity and palaeoecology of the Maastrichtian marine molluscs from the Paris Basin (France). European Journal of Taxonomy 1083: 1-108, DOI: 10.5852/ejt.2026.1083.3313, URL: https://europeanjournaloftaxonomy.eu/index.php/ejt/article/download/3313/14563				Animalia	Mollusca	Gastropoda	Trochida	Tegulidae	Tectus	species	Tectus acmantensis Merle 2026	Merle 2026	Tectus acmantensis	Tectus acmantensis			Merle	2026		spec. nov.	https://treatment.plazi.org/id/F12B8A1C7E48FFA21326FB2EFD109019	
F12B8A1C7E48FFA21326FB2EFD109019.taxon.syn1		F12B8A1C7E48FFA21326FB2EFD109019.taxon			Animalia	Mollusca	Gastropoda	Trochida	Tegulidae	Tectus	species	Tectus montissanctipetri (Binkhorst 1861)	(Binkhorst 1861)	Tectus montissanctipetri	Tectus montissanctipetri	Binkhorst	1861			synonym		https://treatment.plazi.org/id/F12B8A1C7E48FFA21326FB2EFD109019	
F12B8A1C7E4AFFA4133FFCAFFDBA919C.taxon	Merle, Didier (2026): Biodiversity and palaeoecology of the Maastrichtian marine molluscs from the Paris Basin (France). European Journal of Taxonomy 1083: 1-108, DOI: 10.5852/ejt.2026.1083.3313, URL: https://europeanjournaloftaxonomy.eu/index.php/ejt/article/download/3313/14563				Animalia	Mollusca	Gastropoda	Trochida	Tegulidae	Tectus	species	Tectus fraterculus Merle 2026	Merle 2026	Tectus fraterculus	Tectus fraterculus			Merle	2026		spec. nov.	https://treatment.plazi.org/id/F12B8A1C7E4AFFA4133FFCAFFDBA919C	
F12B8A1C7E4CFFA71339FD13FD1092D9.taxon	Merle, Didier (2026): Biodiversity and palaeoecology of the Maastrichtian marine molluscs from the Paris Basin (France). European Journal of Taxonomy 1083: 1-108, DOI: 10.5852/ejt.2026.1083.3313, URL: https://europeanjournaloftaxonomy.eu/index.php/ejt/article/download/3313/14563				Animalia	Mollusca	Gastropoda	Trochida	Tegulidae	Tectus	species	Tectus senarmonti Merle 2026	Merle 2026	Tectus senarmonti	Tectus senarmonti			Merle	2026		spec. nov.	https://treatment.plazi.org/id/F12B8A1C7E4CFFA71339FD13FD1092D9	
F12B8A1C7E4FFFA71377FD60FB61972F.taxon					Animalia	Mollusca	Gastropoda	Seguenziida	Chilodontaidae	Agathodonta	genus	Agathodonta Cossmann 1918	Cossmann 1918	Agathodonta	Agathodonta Cossmann, 1918			Cossmann	1918			https://treatment.plazi.org/id/F12B8A1C7E4FFFA71377FD60FB61972F	
F12B8A1C7E4FFFA71377FD60FB61972F.taxon.syn1	Wenz W. 1938. Gastropoda. Teil 2: Prosobranchia. In: Schindewolf O. H. (ed.) Handbuch der Palaozoologie, Band 6, Lieferung 3. Borntrager, Berlin.	F12B8A1C7E4FFFA71377FD60FB61972F.taxon			Animalia	Mollusca	Gastropoda	Seguenziida	Chilodontaidae	Agnathodonta	genus	Agnathodonta Wenz 1938	Wenz 1938	Agnathodonta	Agnathodonta Wenz, 1938: 298			Wenz	1938	synonym		https://treatment.plazi.org/id/F12B8A1C7E4FFFA71377FD60FB61972F	
F12B8A1C7E4FFFA610F1FBFEFCFC97C4.taxon	Merle, Didier (2026): Biodiversity and palaeoecology of the Maastrichtian marine molluscs from the Paris Basin (France). European Journal of Taxonomy 1083: 1-108, DOI: 10.5852/ejt.2026.1083.3313, URL: https://europeanjournaloftaxonomy.eu/index.php/ejt/article/download/3313/14563				Animalia	Mollusca	Gastropoda	Seguenziida	Chilodontaidae	Agathodonta	species	Agathodonta granosecincta (Binkhorst 1861) Merle 2026	(Binkhorst 1861) Merle 2026	Agathodonta granosecincta	Agathodonta granosecincta (Binkhorst, 1861)	Binkhorst	1861	Merle	2026		spec. nov.	https://treatment.plazi.org/id/F12B8A1C7E4FFFA610F1FBFEFCFC97C4	
F12B8A1C7E4FFFA610F1FBFEFCFC97C4.taxon.syn1	Binkhorst J. T. Binkhorst van den 1861. Monographie des Gasteropodes et des Cephalopodes de la craie superieure du Limbourg, suive d'une description de quelques especes de crustaces du meme depot cretace, avec dix-huit planches dessinees et lithographiees par C. Hohe, de Bonn. C. Muquardt, Brussels & F. Muller, Maastricht. Available from https://www.biodiversitylibrary.org/page/61964180 [accessed 2 Dec. 2025].	F12B8A1C7E4FFFA610F1FBFEFCFC97C4.taxon			Animalia	Mollusca	Gastropoda	Trochida	Turbinidae	Turbo	species	Turbo granose-cinctus Binkhorst 1861	Binkhorst 1861	Turbo granose-cinctus	Turbo granose-cinctus Binkhorst, 1861: 46			Binkhorst	1861	synonym		https://treatment.plazi.org/id/F12B8A1C7E4FFFA610F1FBFEFCFC97C4	
F12B8A1C7E4FFFA610F1FBFEFCFC97C4.taxon.syn2		F12B8A1C7E4FFFA610F1FBFEFCFC97C4.taxon			Animalia	Mollusca	Gastropoda	Seguenziida	Chilodontaidae	Danilia	species	Danilia strombecki		Danilia strombecki	Danilia strombecki					synonym		https://treatment.plazi.org/id/F12B8A1C7E4FFFA610F1FBFEFCFC97C4	
F12B8A1C7E4EFFA61304FACAFC9D96DD.taxon					Animalia	Mollusca	Gastropoda	Seguenziida	Chilodontaidae	Clypeostoma	genus	Clypeostoma Herbert 2012	Herbert 2012	Clypeostoma	Clypeostoma Herbert, 2012			Herbert	2012			https://treatment.plazi.org/id/F12B8A1C7E4EFFA61304FACAFC9D96DD	
F12B8A1C7E4EFFA91304F9D3FDBA96D4.taxon	Merle, Didier (2026): Biodiversity and palaeoecology of the Maastrichtian marine molluscs from the Paris Basin (France). European Journal of Taxonomy 1083: 1-108, DOI: 10.5852/ejt.2026.1083.3313, URL: https://europeanjournaloftaxonomy.eu/index.php/ejt/article/download/3313/14563				Animalia	Mollusca	Gastropoda	Seguenziida	Chilodontaidae	Clypeostoma	species	Clypeostoma vertusensis Merle 2026	Merle 2026	Clypeostoma vertusensis	Clypeostoma vertusensis			Merle	2026		spec. nov.	https://treatment.plazi.org/id/F12B8A1C7E4EFFA91304F9D3FDBA96D4	
F12B8A1C7E41FFA91378F994FE8D9422.taxon					Animalia	Mollusca	Gastropoda	Seguenziida	Eucyclidae	Calliomphalus	genus	Calliomphalus Cossmann 1888	Cossmann 1888	Calliomphalus	Calliomphalus Cossmann, 1888			Cossmann	1888			https://treatment.plazi.org/id/F12B8A1C7E41FFA91378F994FE8D9422	
F12B8A1C7E41FFA8130BF8E1FCB59250.taxon					Animalia	Mollusca	Gastropoda	Seguenziida	Eucyclidae	Calliomphalus	subGenus	Calliomphalus (Planolateralus) Sohl 1961	Sohl 1961	Calliomphalus (Planolateralus)	Planolateralus Sohl, 1961			Sohl	1961			https://treatment.plazi.org/id/F12B8A1C7E41FFA8130BF8E1FCB59250	
F12B8A1C7E40FFAB10A3FE57FDBA9033.taxon	Merle, Didier (2026): Biodiversity and palaeoecology of the Maastrichtian marine molluscs from the Paris Basin (France). European Journal of Taxonomy 1083: 1-108, DOI: 10.5852/ejt.2026.1083.3313, URL: https://europeanjournaloftaxonomy.eu/index.php/ejt/article/download/3313/14563				Animalia	Mollusca	Gastropoda	Seguenziida	Eucyclidae	Calliomphalus	species	Calliomphalus (Planolateralus) montenati Merle 2026	Merle 2026	Calliomphalus (Planolateralus) montenati	Calliomphalus (Planolateralus) montenati			Merle	2026		spec. nov.	https://treatment.plazi.org/id/F12B8A1C7E40FFAB10A3FE57FDBA9033	
F12B8A1C7E40FFAB10A3FE57FDBA9033.taxon.syn1		F12B8A1C7E40FFAB10A3FE57FDBA9033.taxon			Animalia	Mollusca	Gastropoda	Seguenziida	Eucyclidae	Calliomphalus	species	Calliomphalus undetermined		Calliomphalus undetermined	Calliomphalus sp.					synonym		https://treatment.plazi.org/id/F12B8A1C7E40FFAB10A3FE57FDBA9033	
F12B8A1C7E42FFAA130DFE1BFEE9903C.taxon					Animalia	Mollusca	Gastropoda	Caenogastropoda	Cerithiidae	Rhinoclavis	genus	Rhinoclavis Swainson 1840	Swainson 1840	Rhinoclavis	Rhinoclavis Swainson, 1840			Swainson	1840			https://treatment.plazi.org/id/F12B8A1C7E42FFAA130DFE1BFEE9903C	
F12B8A1C7E42FFAC1307FCF2FDBA9753.taxon	Merle, Didier (2026): Biodiversity and palaeoecology of the Maastrichtian marine molluscs from the Paris Basin (France). European Journal of Taxonomy 1083: 1-108, DOI: 10.5852/ejt.2026.1083.3313, URL: https://europeanjournaloftaxonomy.eu/index.php/ejt/article/download/3313/14563				Animalia	Mollusca	Gastropoda	Caenogastropoda	Cerithiidae	Rhinoclavis	species	Rhinoclavis parvisulcatus Merle 2026	Merle 2026	Rhinoclavis parvisulcatus	Rhinoclavis parvisulcatus			Merle	2026		spec. nov.	https://treatment.plazi.org/id/F12B8A1C7E42FFAC1307FCF2FDBA9753	
F12B8A1C7E42FFAC1307FCF2FDBA9753.taxon.syn1		F12B8A1C7E42FFAC1307FCF2FDBA9753.taxon			Animalia	Mollusca	Gastropoda	Caenogastropoda	Cerithiidae	Rhinoclavis	species	Rhinoclavis (Semivertagus) undetermined Cossmann 1889	Cossmann 1889	Rhinoclavis (Semivertagus) undetermined	Rhinoclavis (Semivertagus)			Cossmann	1889	synonym		https://treatment.plazi.org/id/F12B8A1C7E42FFAC1307FCF2FDBA9753	
F12B8A1C7E44FFAC1376FB13FD5796D9.taxon					Animalia	Mollusca	Gastropoda	Caenogastropoda	Cerithiidae	Pseudoaluco	genus	Pseudoaluco B. L. Clark 1946	B. L. Clark 1946	Pseudoaluco	Pseudoaluco B. L. Clark, 1946			B. L. Clark	1946			https://treatment.plazi.org/id/F12B8A1C7E44FFAC1376FB13FD5796D9	
F12B8A1C7E44FF9113FDF9EFFDBA90D1.taxon					Animalia	Mollusca	Gastropoda	Caenogastropoda	Cerithiidae	Pseudoaluco	species	Pseudoaluco undetermined		Pseudoaluco undetermined	Pseudoaluco sp.							https://treatment.plazi.org/id/F12B8A1C7E44FF9113FDF9EFFDBA90D1	
F12B8A1C7E79FF91137EFBF0FBC69617.taxon					Animalia	Mollusca	Gastropoda	Caenogastropoda	Batillariidae	Vicinocerithium	genus	Vicinocerithium E. Wood 1910	E. Wood 1910	Vicinocerithium	Vicinocerithium E. Wood, 1910			E. Wood	1910			https://treatment.plazi.org/id/F12B8A1C7E79FF91137EFBF0FBC69617	
F12B8A1C7E79FF931318FA94FB369099.taxon	Merle, Didier (2026): Biodiversity and palaeoecology of the Maastrichtian marine molluscs from the Paris Basin (France). European Journal of Taxonomy 1083: 1-108, DOI: 10.5852/ejt.2026.1083.3313, URL: https://europeanjournaloftaxonomy.eu/index.php/ejt/article/download/3313/14563				Animalia	Mollusca	Gastropoda	Caenogastropoda	Batillariidae	Vicinocerithium	species	Vicinocerithium heberti Merle 2026	Merle 2026	Vicinocerithium heberti	Vicinocerithium heberti			Merle	2026		spec. nov.	https://treatment.plazi.org/id/F12B8A1C7E79FF931318FA94FB369099	
F12B8A1C7E79FF931318FA94FB369099.taxon.syn1		F12B8A1C7E79FF931318FA94FB369099.taxon			Animalia	Mollusca	Gastropoda	Littorinimorpha	Cerithiidae	Cerithium	species	Cerithium carolinum d'Orbigny 1850	d'Orbigny 1850	Cerithium carolinum	Cerithium carolinum			d'Orbigny	1850	synonym		https://treatment.plazi.org/id/F12B8A1C7E79FF931318FA94FB369099	
F12B8A1C7E79FF931318FA94FB369099.taxon.syn2		F12B8A1C7E79FF931318FA94FB369099.taxon			Animalia	Mollusca	Gastropoda		Batillariidae	Vicinocerithium	species	Vicinocerithium undefined-1		Vicinocerithium undefined-1	Vicinocerithium sp. 1					synonym		https://treatment.plazi.org/id/F12B8A1C7E79FF931318FA94FB369099	
F12B8A1C7E7BFF9213D6FC2FFBB19262.taxon					Animalia	Mollusca	Gastropoda		Batillariidae	Vicinocerithium	species	Vicinocerithium undetermined		Vicinocerithium undetermined	Vicinocerithium sp.							https://treatment.plazi.org/id/F12B8A1C7E7BFF9213D6FC2FFBB19262	
F12B8A1C7E7BFF9213D6FC2FFBB19262.taxon.syn1		F12B8A1C7E7BFF9213D6FC2FFBB19262.taxon			Animalia	Mollusca	Gastropoda		Batillariidae	Vicinocerithium	species	Vicinocerithium undefined-2		Vicinocerithium undefined-2	Vicinocerithium sp. 2					synonym		https://treatment.plazi.org/id/F12B8A1C7E7BFF9213D6FC2FFBB19262	
F12B8A1C7E7AFF921367FEA2FAAB91AF.taxon					Animalia	Mollusca	Gastropoda	Caenogastropoda	Batillariidae	Granulolabium	genus	Granulolabium Cossmann 1889	Cossmann 1889	Granulolabium	Granulolabium Cossmann, 1889			Cossmann	1889			https://treatment.plazi.org/id/F12B8A1C7E7AFF921367FEA2FAAB91AF	
F12B8A1C7E7AFF951303FD7EFDBA9701.taxon	Merle, Didier (2026): Biodiversity and palaeoecology of the Maastrichtian marine molluscs from the Paris Basin (France). European Journal of Taxonomy 1083: 1-108, DOI: 10.5852/ejt.2026.1083.3313, URL: https://europeanjournaloftaxonomy.eu/index.php/ejt/article/download/3313/14563				Animalia	Mollusca	Gastropoda	Caenogastropoda	Batillariidae	Granulolabium	species	Granulolabium cretaceum Merle 2026	Merle 2026	Granulolabium cretaceum	Granulolabium cretaceum			Merle	2026		spec. nov.	https://treatment.plazi.org/id/F12B8A1C7E7AFF951303FD7EFDBA9701	
F12B8A1C7E7AFF951303FD7EFDBA9701.taxon.syn1		F12B8A1C7E7AFF951303FD7EFDBA9701.taxon			Animalia	Mollusca	Gastropoda		Batillariidae	Granulolabium	species	Granulolabium undetermined		Granulolabium undetermined	Granulolabium sp.					synonym		https://treatment.plazi.org/id/F12B8A1C7E7AFF951303FD7EFDBA9701	
F12B8A1C7E7DFF95131CFB61FE4096C3.taxon					Animalia	Mollusca	Gastropoda	Caenogastropoda	Turritellidae	Haustator	genus	Haustator Montfort 1810	Montfort 1810	Haustator	Haustator Montfort, 1810			Montfort	1810			https://treatment.plazi.org/id/F12B8A1C7E7DFF95131CFB61FE4096C3	
F12B8A1C7E7DFF971315F9C3FDBA95F3.taxon	Merle, Didier (2026): Biodiversity and palaeoecology of the Maastrichtian marine molluscs from the Paris Basin (France). European Journal of Taxonomy 1083: 1-108, DOI: 10.5852/ejt.2026.1083.3313, URL: https://europeanjournaloftaxonomy.eu/index.php/ejt/article/download/3313/14563				Animalia	Mollusca	Gastropoda	Caenogastropoda	Turritellidae	Haustator	species	Haustator bergierensis Merle 2026	Merle 2026	Haustator bergierensis	Haustator bergierensis			Merle	2026		spec. nov.	https://treatment.plazi.org/id/F12B8A1C7E7DFF971315F9C3FDBA95F3	
F12B8A1C7E7DFF971315F9C3FDBA95F3.taxon.syn1		F12B8A1C7E7DFF971315F9C3FDBA95F3.taxon			Animalia	Mollusca	Gastropoda		Turritellidae	Haustator	species	Haustator undetermined		Haustator undetermined	Haustator sp.					synonym		https://treatment.plazi.org/id/F12B8A1C7E7DFF971315F9C3FDBA95F3	
F12B8A1C7E7FFF961382F932FDFC91C6.taxon					Animalia	Mollusca	Gastropoda	Caenogastropoda	Turritellidae	Haustator	species	Haustator undetermined		Haustator undetermined	Haustator sp.							https://treatment.plazi.org/id/F12B8A1C7E7FFF961382F932FDFC91C6	
F12B8A1C7E7EFF961304FCA1FB5897AE.taxon					Animalia	Mollusca	Gastropoda	Caenogastropoda	Campanilidae	Campanile	genus	Campanile P. Fischer 1884	P. Fischer 1884	Campanile	Campanile P. Fischer, 1884			P. Fischer	1884			https://treatment.plazi.org/id/F12B8A1C7E7EFF961304FCA1FB5897AE	
F12B8A1C7E7EFF98133EFB3FFAED917D.taxon					Animalia	Mollusca	Gastropoda	Caenogastropoda	Campanilidae	Campanile	species	Campanile (Campanile) undetermined		Campanile (Campanile) undetermined	Campanile (Campanile)							https://treatment.plazi.org/id/F12B8A1C7E7EFF98133EFB3FFAED917D	
F12B8A1C7E7EFF98133EFB3FFAED917D.taxon.syn1		F12B8A1C7E7EFF98133EFB3FFAED917D.taxon			Animalia	Mollusca	Gastropoda		Campanilidae	Campanile	species	Campanile undetermined		Campanile undetermined	Campanile sp.					synonym		https://treatment.plazi.org/id/F12B8A1C7E7EFF98133EFB3FFAED917D	
F12B8A1C7E70FF981312FCE8FE5F977F.taxon					Animalia	Mollusca	Gastropoda	Neogastropoda	Cancellariidae	Sveltella	genus	Sveltella Cossmann 1889	Cossmann 1889	Sveltella	Sveltella Cossmann, 1889			Cossmann	1889			https://treatment.plazi.org/id/F12B8A1C7E70FF981312FCE8FE5F977F	
F12B8A1C7E70FF9B133EFB4CFDBA97E6.taxon	Merle, Didier (2026): Biodiversity and palaeoecology of the Maastrichtian marine molluscs from the Paris Basin (France). European Journal of Taxonomy 1083: 1-108, DOI: 10.5852/ejt.2026.1083.3313, URL: https://europeanjournaloftaxonomy.eu/index.php/ejt/article/download/3313/14563				Animalia	Mollusca	Gastropoda	Neogastropoda	Cancellariidae	Sveltella	species	Sveltella binkhorsti Merle 2026	Merle 2026	Sveltella binkhorsti	Sveltella binkhorsti			Merle	2026		spec. nov.	https://treatment.plazi.org/id/F12B8A1C7E70FF9B133EFB4CFDBA97E6	
F12B8A1C7E70FF9B133EFB4CFDBA97E6.taxon.syn1		F12B8A1C7E70FF9B133EFB4CFDBA97E6.taxon			Animalia	Mollusca	Gastropoda	Neogastropoda	Cancellariidae	Caveola	species	Caveola undetermined		Caveola undetermined	Caveola sp.					synonym		https://treatment.plazi.org/id/F12B8A1C7E70FF9B133EFB4CFDBA97E6	
F12B8A1C7E73FF9B131FFAA2FB4695AD.taxon					Animalia	Mollusca	Gastropoda	Neogastropoda	Fasciolariidae	Fusinus	genus	Fusinus Rafinesque 1815	Rafinesque 1815	Fusinus	Fusinus Rafinesque, 1815			Rafinesque	1815			https://treatment.plazi.org/id/F12B8A1C7E73FF9B131FFAA2FB4695AD	
F12B8A1C7E73FF9A1326F963FDBA9445.taxon	Merle, Didier (2026): Biodiversity and palaeoecology of the Maastrichtian marine molluscs from the Paris Basin (France). European Journal of Taxonomy 1083: 1-108, DOI: 10.5852/ejt.2026.1083.3313, URL: https://europeanjournaloftaxonomy.eu/index.php/ejt/article/download/3313/14563				Animalia	Mollusca	Gastropoda	Neogastropoda	Fasciolariidae	Fusinus	species	Fusinus bouchardae Merle 2026	Merle 2026	Fusinus bouchardae	Fusinus bouchardae			Merle	2026		spec. nov.	https://treatment.plazi.org/id/F12B8A1C7E73FF9A1326F963FDBA9445	
F12B8A1C7E73FF9A1326F963FDBA9445.taxon.syn1		F12B8A1C7E73FF9A1326F963FDBA9445.taxon			Animalia	Mollusca	Gastropoda	Neogastropoda	Dolicholatiridae	Dolicholatirus	species	Dolicholatirus undetermined		Dolicholatirus undetermined	Dolicholatirus sp.					synonym		https://treatment.plazi.org/id/F12B8A1C7E73FF9A1326F963FDBA9445	
F12B8A1C7E75FF9D1379FE87FB3D914C.taxon					Animalia	Mollusca	Gastropoda	Neogastropoda	Columbellidae	Pseudopisania	genus	Pseudopisania Cossmann 1897	Cossmann 1897	Pseudopisania	Pseudopisania Cossmann, 1897			Cossmann	1897			https://treatment.plazi.org/id/F12B8A1C7E75FF9D1379FE87FB3D914C	
F12B8A1C7E75FF9C1319FD43FDBA9276.taxon	Merle, Didier (2026): Biodiversity and palaeoecology of the Maastrichtian marine molluscs from the Paris Basin (France). European Journal of Taxonomy 1083: 1-108, DOI: 10.5852/ejt.2026.1083.3313, URL: https://europeanjournaloftaxonomy.eu/index.php/ejt/article/download/3313/14563				Animalia	Mollusca	Gastropoda	Neogastropoda	Columbellidae	Pseudopisania	species	Pseudopisania cretacea Merle 2026	Merle 2026	Pseudopisania cretacea	Pseudopisania cretacea			Merle	2026		spec. nov.	https://treatment.plazi.org/id/F12B8A1C7E75FF9C1319FD43FDBA9276	
F12B8A1C7E74FF9C131FFE11FEFE903A.taxon					Animalia	Mollusca	Gastropoda	Neogastropoda	Pseudolividae	Popenoeum	genus	Popenoeum Squires 1989	Squires 1989	Popenoeum	Popenoeum Squires, 1989			Squires	1989			https://treatment.plazi.org/id/F12B8A1C7E74FF9C131FFE11FEFE903A	
F12B8A1C7E74FF9F136BFC89FA809047.taxon					Animalia	Mollusca	Gastropoda	Neogastropoda	Pseudolividae	Popenoeum	species	Popenoeum ambiguum (Binkhorst 1861)	(Binkhorst 1861)	Popenoeum ambiguum	Popenoeum ambiguum (Binkhorst, 1861)	Binkhorst	1861					https://treatment.plazi.org/id/F12B8A1C7E74FF9F136BFC89FA809047	
F12B8A1C7E74FF9F136BFC89FA809047.taxon.syn1	Binkhorst J. T. Binkhorst van den 1861. Monographie des Gasteropodes et des Cephalopodes de la craie superieure du Limbourg, suive d'une description de quelques especes de crustaces du meme depot cretace, avec dix-huit planches dessinees et lithographiees par C. Hohe, de Bonn. C. Muquardt, Brussels & F. Muller, Maastricht. Available from https://www.biodiversitylibrary.org/page/61964180 [accessed 2 Dec. 2025].	F12B8A1C7E74FF9F136BFC89FA809047.taxon			Animalia	Mollusca	Gastropoda	Neogastropoda	Fasciolariidae	Pyrula	species	Pyrula ambigua Binkhorst 1861	Binkhorst 1861	Pyrula ambigua	Pyrula ambigua Binkhorst, 1861: 6			Binkhorst	1861	synonym		https://treatment.plazi.org/id/F12B8A1C7E74FF9F136BFC89FA809047	
F12B8A1C7E74FF9F136BFC89FA809047.taxon.syn2		F12B8A1C7E74FF9F136BFC89FA809047.taxon			Animalia	Mollusca	Gastropoda	Neogastropoda	Pseudolividae	Pseudoliva	species	Pseudoliva ambigua (Binkhorst 1861)	(Binkhorst 1861)	Pseudoliva ambigua	Pseudoliva ambigua	Binkhorst	1861			synonym		https://treatment.plazi.org/id/F12B8A1C7E74FF9F136BFC89FA809047	
F12B8A1C7E74FF9F136BFC89FA809047.taxon.syn3		F12B8A1C7E74FF9F136BFC89FA809047.taxon			Animalia	Mollusca	Gastropoda	Neogastropoda	Pseudolividae	Sulcobuccinum	species	Sulcobuccinum ambiguum (Binkhorst 1861)	(Binkhorst 1861)	Sulcobuccinum ambiguum	Sulcobuccinum ambiguum	Binkhorst	1861			synonym		https://treatment.plazi.org/id/F12B8A1C7E74FF9F136BFC89FA809047	
F12B8A1C7E77FF9F1318FBDEFE06960B.taxon					Animalia	Mollusca	Gastropoda	Neogastropoda	Volutidae	Volutomorpha	genus	Volutomorpha Gabb 1877	Gabb 1877	Volutomorpha	Volutomorpha Gabb, 1877			Gabb	1877			https://treatment.plazi.org/id/F12B8A1C7E77FF9F1318FBDEFE06960B	
F12B8A1C7E77FF9E13E5FA9AFEE992FA.taxon					Animalia	Mollusca	Gastropoda	Neogastropoda	Volutidae	Volutomorpha	species	Volutomorpha undetermined		Volutomorpha undetermined	Volutomorpha sp.							https://treatment.plazi.org/id/F12B8A1C7E77FF9E13E5FA9AFEE992FA	
F12B8A1C7E77FF9E13E5FA9AFEE992FA.taxon.syn1		F12B8A1C7E77FF9E13E5FA9AFEE992FA.taxon			Animalia	Mollusca	Gastropoda	Neogastropoda	Volutidae	Volutocorbis	species	Volutocorbis undetermined		Volutocorbis undetermined	Volutocorbis sp.					synonym		https://treatment.plazi.org/id/F12B8A1C7E77FF9E13E5FA9AFEE992FA	
F12B8A1C7E76FF811348FADAFEF39144.taxon					Animalia	Mollusca	Gastropoda	Caenogastropoda		Undetermined	species	Undetermined undetermined		Undetermined undetermined	Caenogastropoda indet. 2							https://treatment.plazi.org/id/F12B8A1C7E76FF811348FADAFEF39144	
F12B8A1C7E76FF811348FADAFEF39144.taxon.syn1		F12B8A1C7E76FF811348FADAFEF39144.taxon			Animalia	Mollusca	Gastropoda	Littorinimorpha	Calyptraeidae	Calyptraea	species	Calyptraea undetermined		Calyptraea undetermined	Calyptraea sp.					synonym		https://treatment.plazi.org/id/F12B8A1C7E76FF811348FADAFEF39144	
F12B8A1C7E76FF9E134EFD8AFCD897CB.taxon					Animalia	Mollusca	Gastropoda	Caenogastropoda		Undetermined	species	Undetermined undetermined L. R. Cox 1960	L. R. Cox 1960	Undetermined undetermined	Caenogastropoda indet. 1			L. R. Cox	1960			https://treatment.plazi.org/id/F12B8A1C7E76FF9E134EFD8AFCD897CB	
F12B8A1C7E69FF811350FD4BFAF29677.taxon					Animalia	Mollusca	Gastropoda	Caenogastropoda		Undetermined	species	Undetermined undetermined		Undetermined undetermined	Caenogastropoda indet. 3							https://treatment.plazi.org/id/F12B8A1C7E69FF811350FD4BFAF29677	
F12B8A1C7E69FF80109BFAB6FEE2929F.taxon					Animalia	Mollusca	Gastropoda	Caenogastropoda			order	Caenogastropoda L. R. Cox 1960	L. R. Cox 1960	Caenogastropoda	Caenogastropoda			L. R. Cox	1960			https://treatment.plazi.org/id/F12B8A1C7E69FF80109BFAB6FEE2929F	
F12B8A1C7E68FF8310ACFE2EFDA9916B.taxon					Animalia	Mollusca	Gastropoda	Caenogastropoda		Undetermined	species	Undetermined undetermined		Undetermined undetermined	Caenogastropoda indet. 5							https://treatment.plazi.org/id/F12B8A1C7E68FF8310ACFE2EFDA9916B	
F12B8A1C7E6BFF8310ACFDB9FB67964D.taxon					Animalia	Mollusca	Gastropoda	Caenogastropoda			order	Caenogastropoda L. R. Cox 1960	L. R. Cox 1960	Caenogastropoda	Caenogastropoda			L. R. Cox	1960			https://treatment.plazi.org/id/F12B8A1C7E6BFF8310ACFDB9FB67964D	
F12B8A1C7E6BFF8210ACFA5CFDBB9138.taxon					Animalia	Mollusca	Gastropoda	Caenogastropoda			order	Caenogastropoda L. R. Cox 1960	L. R. Cox 1960	Caenogastropoda	Caenogastropoda			L. R. Cox	1960			https://treatment.plazi.org/id/F12B8A1C7E6BFF8210ACFA5CFDBB9138	
F12B8A1C7E6AFF82132DFCC3FC01970D.taxon					Animalia	Mollusca	Bivalvia	Nuculida	Nuculidae	Nucula	genus	Nucula Lamarck 1799	Lamarck 1799	Nucula	Nucula Lamarck, 1799			Lamarck	1799			https://treatment.plazi.org/id/F12B8A1C7E6AFF82132DFCC3FC01970D	
F12B8A1C7E6AFF8513D3FB9CFDBA9607.taxon	Merle, Didier (2026): Biodiversity and palaeoecology of the Maastrichtian marine molluscs from the Paris Basin (France). European Journal of Taxonomy 1083: 1-108, DOI: 10.5852/ejt.2026.1083.3313, URL: https://europeanjournaloftaxonomy.eu/index.php/ejt/article/download/3313/14563				Animalia	Mollusca	Bivalvia	Nuculida	Nuculidae	Nucula	species	Nucula bauti Merle 2026	Merle 2026	Nucula bauti	Nucula bauti			Merle	2026		spec. nov.	https://treatment.plazi.org/id/F12B8A1C7E6AFF8513D3FB9CFDBA9607	
F12B8A1C7E6AFF8513D3FB9CFDBA9607.taxon.syn1		F12B8A1C7E6AFF8513D3FB9CFDBA9607.taxon			Animalia	Mollusca	Bivalvia	Nuculida	Nuculidae	Nucula	species	Nucula undetermined		Nucula undetermined	Nucula sp.					synonym		https://treatment.plazi.org/id/F12B8A1C7E6AFF8513D3FB9CFDBA9607	
F12B8A1C7E6DFF85133FF9DDFBC8959F.taxon					Animalia	Mollusca	Bivalvia	Arcida	Arcidae	Arca	genus	Arca Linnaeus 1758	Linnaeus 1758	Arca	Arca Linnaeus, 1758			Linnaeus	1758			https://treatment.plazi.org/id/F12B8A1C7E6DFF85133FF9DDFBC8959F	
F12B8A1C7E6DFF851328F92EFBD294F3.taxon					Animalia	Mollusca	Bivalvia	Arcida	Arcidae	Arca	genus	Arca Linnaeus 1758	Linnaeus 1758	Arca	Arca Linnaeus, 1758			Linnaeus	1758			https://treatment.plazi.org/id/F12B8A1C7E6DFF851328F92EFBD294F3	
F12B8A1C7E6CFF861302FEC5FDBA90E6.taxon	Merle, Didier (2026): Biodiversity and palaeoecology of the Maastrichtian marine molluscs from the Paris Basin (France). European Journal of Taxonomy 1083: 1-108, DOI: 10.5852/ejt.2026.1083.3313, URL: https://europeanjournaloftaxonomy.eu/index.php/ejt/article/download/3313/14563				Animalia	Mollusca	Bivalvia	Arcida	Arcidae	Arca	species	Arca submontensis Merle 2026	Merle 2026	Arca submontensis	Arca (s. str.) submontensis			Merle	2026		spec. nov.	https://treatment.plazi.org/id/F12B8A1C7E6CFF861302FEC5FDBA90E6	
F12B8A1C7E6CFF861302FEC5FDBA90E6.taxon.syn1		F12B8A1C7E6CFF861302FEC5FDBA90E6.taxon			Animalia	Mollusca	Bivalvia	Arcida	Arcidae	Arca	species	Arca montensis Cossmann 1908	Cossmann 1908	Arca montensis	Arca montensis			Cossmann	1908	synonym		https://treatment.plazi.org/id/F12B8A1C7E6CFF861302FEC5FDBA90E6	
F12B8A1C7E6EFF86132DFC25FC3F9622.taxon					Animalia	Mollusca	Bivalvia	Arcida	Arcidae	Barbatia	genus	Barbatia E. Gray 1842	E. Gray 1842	Barbatia	Barbatia E. Gray, 1842			E. Gray	1842			https://treatment.plazi.org/id/F12B8A1C7E6EFF86132DFC25FC3F9622	
F12B8A1C7E6EFF89139AFAE0FE0491E6.taxon					Animalia	Mollusca	Bivalvia	Arcida	Arcidae	Barbatia	species	Barbatia undetermined		Barbatia undetermined	Barbatia sp.							https://treatment.plazi.org/id/F12B8A1C7E6EFF89139AFAE0FE0491E6	
F12B8A1C7E61FF891306FD2BFB419739.taxon					Animalia	Mollusca	Bivalvia	Arcida	Arcidae	Cucullaearca	genus	Cucullaearca Conrad 1865	Conrad 1865	Cucullaearca	Cucullaearca Conrad, 1865			Conrad	1865			https://treatment.plazi.org/id/F12B8A1C7E61FF891306FD2BFB419739	
F12B8A1C7E61FF881348FB8FFD4897A7.taxon					Animalia	Mollusca	Bivalvia	Arcida	Arcidae	Cucullaearca	species	Cucullaearca supracretacea (d'Orbigny 1850)	(d'Orbigny 1850)	Cucullaearca supracretacea	Cucullaearca supracretacea (d’Orbigny, 1850)	d'Orbigny	1850					https://treatment.plazi.org/id/F12B8A1C7E61FF881348FB8FFD4897A7	
F12B8A1C7E61FF881348FB8FFD4897A7.taxon.syn1		F12B8A1C7E61FF881348FB8FFD4897A7.taxon			Animalia	Mollusca	Bivalvia	Arcida	Arcidae	Arca	species	Arca supracretacea d'Orbigny 1850	d'Orbigny 1850	Arca supracretacea	Arca supracretacea d’Orbigny, 1850: 131			d'Orbigny	1850	synonym		https://treatment.plazi.org/id/F12B8A1C7E61FF881348FB8FFD4897A7	
F12B8A1C7E60FF88132CFAFCFC09956E.taxon					Animalia	Mollusca	Bivalvia	Limida	Limidae	Ctenoides	genus	Ctenoides Morch 1853	Morch 1853	Ctenoides	Ctenoides Mörch, 1853			Morch	1853			https://treatment.plazi.org/id/F12B8A1C7E60FF88132CFAFCFC09956E	
F12B8A1C7E60FF8B1329F9BDFCFC94FE.taxon					Animalia	Mollusca	Bivalvia	Limida	Limidae	Ctenoides	species	Ctenoides vogeli Dhondt 1983	Dhondt 1983	Ctenoides vogeli	Ctenoides vogeli Dhondt, 1983			Dhondt	1983			https://treatment.plazi.org/id/F12B8A1C7E60FF8B1329F9BDFCFC94FE	
F12B8A1C7E60FF8B1329F9BDFCFC94FE.taxon.syn1		F12B8A1C7E60FF8B1329F9BDFCFC94FE.taxon			Animalia	Mollusca	Bivalvia	Limida	Limidae	Lima	species	Lima nobilis (Munster 1835)	(Munster 1835)	Lima nobilis	Lima nobilis	Munster	1835			synonym		https://treatment.plazi.org/id/F12B8A1C7E60FF8B1329F9BDFCFC94FE	
F12B8A1C7E60FF8B1329F9BDFCFC94FE.taxon.syn2		F12B8A1C7E60FF8B1329F9BDFCFC94FE.taxon			Animalia	Mollusca	Bivalvia	Limida	Limidae	Acesta	species	Acesta tecta		Acesta tecta	Acesta tecta					synonym		https://treatment.plazi.org/id/F12B8A1C7E60FF8B1329F9BDFCFC94FE	
F12B8A1C7E60FF8B1329F9BDFCFC94FE.taxon.syn3		F12B8A1C7E60FF8B1329F9BDFCFC94FE.taxon			Animalia	Mollusca	Bivalvia	Limida	Limidae	Lima	species	Lima tecta Goldfuss 1835	Goldfuss 1835	Lima tecta	Lima tecta			Goldfuss	1835	synonym		https://treatment.plazi.org/id/F12B8A1C7E60FF8B1329F9BDFCFC94FE	
F12B8A1C7E60FF8B1329F9BDFCFC94FE.taxon.syn4		F12B8A1C7E60FF8B1329F9BDFCFC94FE.taxon			Animalia	Mollusca	Bivalvia	Limida	Limidae	Lima	species	Lima texta		Lima texta	Lima texta					synonym		https://treatment.plazi.org/id/F12B8A1C7E60FF8B1329F9BDFCFC94FE	
F12B8A1C7E62FF8A1370F9C3FBA49408.taxon					Animalia	Mollusca	Bivalvia	Mytilida	Mytilidae	Lecompteus	genus	Lecompteus Van de Poel 1959	Van de Poel 1959	Lecompteus	Lecompteus Van de Poel, 1959			Van de Poel	1959			https://treatment.plazi.org/id/F12B8A1C7E62FF8A1370F9C3FBA49408	
F12B8A1C7E62FF8A133AFE78FB9891F5.taxon					Animalia	Mollusca	Bivalvia	Mytilida	Mytilidae	Septifer	genus	Septifer Recluz 1848	Recluz 1848	Septifer	Septifer Récluz, 1848			Recluz	1848			https://treatment.plazi.org/id/F12B8A1C7E62FF8A133AFE78FB9891F5	
F12B8A1C7E62FF8D10BEF89FFE8E948E.taxon					Animalia	Mollusca	Bivalvia	Mytilida	Mytilidae	Lecompteus	species	Lecompteus ornatus (Munster)	(Munster)	Lecompteus ornatus	Lecompteus ornatus (Münster in Goldfuss, 1837)	Munster						https://treatment.plazi.org/id/F12B8A1C7E62FF8D10BEF89FFE8E948E	
F12B8A1C7E62FF8D10BEF89FFE8E948E.taxon.syn1		F12B8A1C7E62FF8D10BEF89FFE8E948E.taxon			Animalia	Mollusca	Bivalvia	Mytilida	Mytilidae	Mytilus	species	Mytilus ornatus Munster 1837	Munster 1837	Mytilus ornatus	Mytilus ornatus Münster			Munster	1837	synonym		https://treatment.plazi.org/id/F12B8A1C7E62FF8D10BEF89FFE8E948E	
F12B8A1C7E62FF8D10BEF89FFE8E948E.taxon.syn2		F12B8A1C7E62FF8D10BEF89FFE8E948E.taxon			Animalia	Mollusca	Bivalvia	Mytilida	Mytilidae	Modiola	species	Modiola radiatula Stoliczka 1871	Stoliczka 1871	Modiola radiatula	Modiola radiatula			Stoliczka	1871	synonym		https://treatment.plazi.org/id/F12B8A1C7E62FF8D10BEF89FFE8E948E	
F12B8A1C7E62FF8D10BEF89FFE8E948E.taxon.syn3		F12B8A1C7E62FF8D10BEF89FFE8E948E.taxon			Animalia	Mollusca	Bivalvia	Mytilida	Mytilidae	Lecompteus	species	Lecompteus radiatulus		Lecompteus radiatulus	Lecompteus aff. radiatulus					synonym		https://treatment.plazi.org/id/F12B8A1C7E62FF8D10BEF89FFE8E948E	
F12B8A1C7E67FF8F1306FA13FCE895FC.taxon					Animalia	Mollusca	Bivalvia	Ostreida	Isognomonidae	Isognomon	genus	Isognomon Lightfoot 1786	Lightfoot 1786	Isognomon	Isognomon Lightfoot, 1786			Lightfoot	1786			https://treatment.plazi.org/id/F12B8A1C7E67FF8F1306FA13FCE895FC	
F12B8A1C7E67FF8F13E0FEA1FBFB9676.taxon					Animalia	Mollusca	Bivalvia	Ostreida			superFamily	Ostreoidea Rafinesque 1815	Rafinesque 1815	Ostreoidea	Ostreoidea			Rafinesque	1815			https://treatment.plazi.org/id/F12B8A1C7E67FF8F13E0FEA1FBFB9676	
F12B8A1C7E67FF8E138BF8CCFE0790BC.taxon					Animalia	Mollusca	Bivalvia	Ostreida	Isognomonidae	Isognomon	species	Isognomon undetermined		Isognomon undetermined	Isognomon sp.							https://treatment.plazi.org/id/F12B8A1C7E67FF8E138BF8CCFE0790BC	
F12B8A1C7E66FF8E1310FB42FCCB96A3.taxon					Animalia	Mollusca	Bivalvia	Pectinida	Pectinidae	Lyropecten	genus	Lyropecten Conrad 1862	Conrad 1862	Lyropecten	Lyropecten Conrad, 1862			Conrad	1862			https://treatment.plazi.org/id/F12B8A1C7E66FF8E1310FB42FCCB96A3	
F12B8A1C7E66FFF110BDFA63FCC9969E.taxon					Animalia	Mollusca	Bivalvia	Pectinida	Pectinidae	Lyropecten	species	Lyropecten ternatus (Munster 1833)	(Munster 1833)	Lyropecten ternatus	Lyropecten ternatus (Münster in Goldfuss, 1833)	Munster	1833					https://treatment.plazi.org/id/F12B8A1C7E66FFF110BDFA63FCC9969E	
F12B8A1C7E66FFF110BDFA63FCC9969E.taxon.syn1		F12B8A1C7E66FFF110BDFA63FCC9969E.taxon			Animalia	Mollusca	Bivalvia	Pectinida	Pectinidae	Pecten	species	Pecten ternatus Munster	Munster	Pecten ternatus	Pecten ternatus Münster			Munster		synonym		https://treatment.plazi.org/id/F12B8A1C7E66FFF110BDFA63FCC9969E	
F12B8A1C7E66FFF110BDFA63FCC9969E.taxon.syn2		F12B8A1C7E66FFF110BDFA63FCC9969E.taxon			Animalia	Mollusca	Bivalvia	Pectinida	Pectinidae	Pecten	species	Pecten cicatrisatus Munster	Munster	Pecten cicatrisatus	Pecten cicatrisatus Münster			Munster		synonym		https://treatment.plazi.org/id/F12B8A1C7E66FFF110BDFA63FCC9969E	
F12B8A1C7E66FFF110BDFA63FCC9969E.taxon.syn3		F12B8A1C7E66FFF110BDFA63FCC9969E.taxon			Animalia	Mollusca	Bivalvia	Pectinida	Pectinidae	Chlamys	species	Chlamys (Lyropecten) cicatrisata (Goldfuss 1833)	(Goldfuss 1833)	Chlamys (Lyropecten) cicatrisata	Chlamys (Lyropecten) cicatrisata	Goldfuss	1833			synonym		https://treatment.plazi.org/id/F12B8A1C7E66FFF110BDFA63FCC9969E	
F12B8A1C7E19FFF1130EF9EFFAA69439.taxon					Animalia	Mollusca	Bivalvia	Pectinida	Pectinidae	Lyriochlamys	genus	Lyriochlamys Sobetski 1977	Sobetski 1977	Lyriochlamys	Lyriochlamys Sobetski, 1977			Sobetski	1977			https://treatment.plazi.org/id/F12B8A1C7E19FFF1130EF9EFFAA69439	
F12B8A1C7E19FFF31365F888FE7D92B3.taxon					Animalia	Mollusca	Bivalvia	Pectinida	Pectinidae	Lyriochlamys	species	Lyriochlamys faujasii (Defrance 1826)	(Defrance 1826)	Lyriochlamys faujasii	Lyriochlamys faujasii (Defrance, 1826)	Defrance	1826					https://treatment.plazi.org/id/F12B8A1C7E19FFF31365F888FE7D92B3	
F12B8A1C7E19FFF31365F888FE7D92B3.taxon.syn1	Defrance J. L. M. 1826. Peigne (fossiles). In: Cuvier G. (ed.) Dictionnaire des Sciences naturelles vol. 38: 251-267. Levrault, Strasbourg & Le Normant, Paris. Available from https://www.biodiversitylibrary.org/page/25302670 [accessed 2 Dec. 2025].	F12B8A1C7E19FFF31365F888FE7D92B3.taxon			Animalia	Mollusca	Bivalvia	Pectinida	Pectinidae	Pecten	species	Pecten faujasii Defrance 1826	Defrance 1826	Pecten faujasii	Pecten faujasii Defrance, 1826: 265			Defrance	1826	synonym		https://treatment.plazi.org/id/F12B8A1C7E19FFF31365F888FE7D92B3	
F12B8A1C7E19FFF31365F888FE7D92B3.taxon.syn2		F12B8A1C7E19FFF31365F888FE7D92B3.taxon			Animalia	Mollusca	Bivalvia	Pectinida	Pectinidae	Chlamys	species	Chlamys faujasii (Defrance 1826)	(Defrance 1826)	Chlamys faujasii	Chlamys faujasii	Defrance	1826			synonym		https://treatment.plazi.org/id/F12B8A1C7E19FFF31365F888FE7D92B3	
F12B8A1C7E19FFF31365F888FE7D92B3.taxon.syn3		F12B8A1C7E19FFF31365F888FE7D92B3.taxon			Animalia	Mollusca	Bivalvia	Pectinida	Pectinidae	Chlamys	species	Chlamys dentata (Nilsson 1827)	(Nilsson 1827)	Chlamys dentata	Chlamys dentata	Nilsson	1827			synonym		https://treatment.plazi.org/id/F12B8A1C7E19FFF31365F888FE7D92B3	
F12B8A1C7E1BFFF3133AFDCCFC449039.taxon					Animalia	Mollusca	Bivalvia	Pectinida	Neitheidae	Neithea	genus	Neithea Drouet 1825	Drouet 1825	Neithea	Neithea Drouët, 1825			Drouet	1825			https://treatment.plazi.org/id/F12B8A1C7E1BFFF3133AFDCCFC449039	
F12B8A1C7E1BFFF51371FC88FEEF91AF.taxon					Animalia	Mollusca	Bivalvia	Pectinida	Neitheidae	Neithea	species	Neithea regularis (von Schlotheim 1813)	(von Schlotheim 1813)	Neithea regularis	Neithea regularis (Schlotheim, 1813)	von Schlotheim	1813					https://treatment.plazi.org/id/F12B8A1C7E1BFFF51371FC88FEEF91AF	
F12B8A1C7E1BFFF51371FC88FEEF91AF.taxon.syn1	Schlotheim E. F. (von) 1813. Beitrage zur Naturgeschichte der Versteinerungen in geognostischer Hinsicht. Taschenbuch fur die gesammte Mineralogie, mit Hinsicht auf die neuesten Entdeckungen, herausgegeben von Dr. Carl Caesar Leonhard 7: 3-134.	F12B8A1C7E1BFFF51371FC88FEEF91AF.taxon			Animalia	Mollusca	Bivalvia	Pectinida	Pectinidae	Pectinites	species	Pectinites regularis Schlotheim 1813	Schlotheim 1813	Pectinites regularis	Pectinites regularis Schlotheim, 1813: 112			Schlotheim	1813	synonym		https://treatment.plazi.org/id/F12B8A1C7E1BFFF51371FC88FEEF91AF	
F12B8A1C7E1BFFF51371FC88FEEF91AF.taxon.syn2		F12B8A1C7E1BFFF51371FC88FEEF91AF.taxon			Animalia	Mollusca	Bivalvia	Pectinida	Pectinidae	Pecten	species	Pecten (Neithea) regularis (Schlotheim 1813)	(Schlotheim 1813)	Pecten (Neithea) regularis	Pecten (Neithea) regularis	Schlotheim	1813			synonym		https://treatment.plazi.org/id/F12B8A1C7E1BFFF51371FC88FEEF91AF	
F12B8A1C7E1DFFF51352FD7CFCD794C6.taxon					Animalia	Mollusca	Bivalvia	Pectinida	Neitheidae	Neithea	species	Neithea quinquecostata (J. Sowerby 1814)	(J. Sowerby 1814)	Neithea quinquecostata	Neithea quinquecostata (J. Sowerby, 1814)	J. Sowerby	1814					https://treatment.plazi.org/id/F12B8A1C7E1DFFF51352FD7CFCD794C6	
F12B8A1C7E1DFFF51352FD7CFCD794C6.taxon.syn1	Sowerby J. 1814. The Mineral Conchology of Great Britain; or Coloured Figures and Descriptions of those Remains of Testaceous Animals or Shells, which have been Preserved at Various Times and Depths in the Earth. Vol. 1. Sowerby, London. https://doi.org/10.5962/bhl.title.14408	F12B8A1C7E1DFFF51352FD7CFCD794C6.taxon			Animalia	Mollusca	Bivalvia	Pectinida	Pectinidae	Pecten	species	Pecten quinquecostatus J. Sowerby 1814	J. Sowerby 1814	Pecten quinquecostatus	Pecten quinquecostatus J. Sowerby, 1814: 122			J. Sowerby	1814	synonym		https://treatment.plazi.org/id/F12B8A1C7E1DFFF51352FD7CFCD794C6	
F12B8A1C7E1DFFF51352FD7CFCD794C6.taxon.syn2		F12B8A1C7E1DFFF51352FD7CFCD794C6.taxon			Animalia	Mollusca	Bivalvia	Pectinida	Pectinidae	Janira	species	Janira quinquecostata (J. Sowerby 1814)	(J. Sowerby 1814)	Janira quinquecostata	Janira quinquecostata	J. Sowerby	1814			synonym		https://treatment.plazi.org/id/F12B8A1C7E1DFFF51352FD7CFCD794C6	
F12B8A1C7E1DFFF51352FD7CFCD794C6.taxon.syn3		F12B8A1C7E1DFFF51352FD7CFCD794C6.taxon			Animalia	Mollusca	Bivalvia	Pectinida	Pectinidae	Vola	species	Vola quinquecostata (J. Sowerby 1814)	(J. Sowerby 1814)	Vola quinquecostata	Vola quinquecostata	J. Sowerby	1814			synonym		https://treatment.plazi.org/id/F12B8A1C7E1DFFF51352FD7CFCD794C6	
F12B8A1C7E1CFFF41314FB09FB5696C6.taxon					Animalia	Mollusca	Bivalvia	Pectinida	Plicatulidae	Plicatula	genus	Plicatula Lamarck 1801	Lamarck 1801	Plicatula	Plicatula Lamarck, 1801			Lamarck	1801			https://treatment.plazi.org/id/F12B8A1C7E1CFFF41314FB09FB5696C6	
F12B8A1C7E1CFFF413EAFE86FC27971D.taxon					Animalia	Mollusca	Bivalvia	Pectinida	Spondylidae		family	Spondylidae J. E. Gray 1826	J. E. Gray 1826	Spondylidae	Spondylidae			J. E. Gray	1826			https://treatment.plazi.org/id/F12B8A1C7E1CFFF413EAFE86FC27971D	
F12B8A1C7E1CFFF91335F9C5FDBA9143.taxon	Merle, Didier (2026): Biodiversity and palaeoecology of the Maastrichtian marine molluscs from the Paris Basin (France). European Journal of Taxonomy 1083: 1-108, DOI: 10.5852/ejt.2026.1083.3313, URL: https://europeanjournaloftaxonomy.eu/index.php/ejt/article/download/3313/14563				Animalia	Mollusca	Bivalvia	Pectinida	Plicatulidae	Plicatula	species	Plicatula pacaudi Merle 2026	Merle 2026	Plicatula pacaudi	Plicatula pacaudi			Merle	2026		spec. nov.	https://treatment.plazi.org/id/F12B8A1C7E1CFFF91335F9C5FDBA9143	
F12B8A1C7E1CFFF91335F9C5FDBA9143.taxon.syn1		F12B8A1C7E1CFFF91335F9C5FDBA9143.taxon			Animalia	Mollusca	Bivalvia	Pectinida	Plicatulidae	Plicatula	species	Plicatula undetermined		Plicatula undetermined	Plicatula sp.					synonym		https://treatment.plazi.org/id/F12B8A1C7E1CFFF91335F9C5FDBA9143	
F12B8A1C7E11FFF910E9FCB3FABF97B8.taxon					Animalia	Mollusca	Bivalvia	Trigoniida	Rutitrigoniidae	Wolfgangella	genus	Wolfgangella Jagt, M. R. Cooper & Jagt-Yazykova 2022	Jagt, M. R. Cooper & Jagt-Yazykova 2022	Wolfgangella	Wolfgangella Jagt, M. R. Cooper & Jagt-Yazykova, 2022			Jagt, M. R. Cooper & Jagt-Yazykova	2022			https://treatment.plazi.org/id/F12B8A1C7E11FFF910E9FCB3FABF97B8	
F12B8A1C7E11FFF81036FB0FFCEF9047.taxon					Animalia	Mollusca	Bivalvia	Trigoniida	Rutitrigoniidae	Wolfgangella	species	Wolfgangella neilpearti Jagt, M. R. Cooper & Jagt-Yazykova 2022	Jagt, M. R. Cooper & Jagt-Yazykova 2022	Wolfgangella neilpearti	Wolfgangella cf. neilpearti Jagt, M. R. Cooper & Jagt-Yazykova, 2022			Jagt, M. R. Cooper & Jagt-Yazykova	2022			https://treatment.plazi.org/id/F12B8A1C7E11FFF81036FB0FFCEF9047	
F12B8A1C7E10FFF81341FB95FBE29676.taxon					Animalia	Mollusca	Bivalvia	Carditida	Carditidae	Baluchicardia	genus	Baluchicardia Rutsch & Schenk 1940	Rutsch & Schenk 1940	Baluchicardia	Baluchicardia Rutsch & Schenk, 1940			Rutsch & Schenk	1940			https://treatment.plazi.org/id/F12B8A1C7E10FFF81341FB95FBE29676	
F12B8A1C7E10FFFA135AFAB5FDBA91F4.taxon					Animalia	Mollusca	Bivalvia	Carditida	Carditidae	Baluchicardia	species	Baluchicardia hebertiana (d'Orbigny 1850)	(d'Orbigny 1850)	Baluchicardia hebertiana	Baluchicardia hebertiana (d’Orbigny, 1850)	d'Orbigny	1850					https://treatment.plazi.org/id/F12B8A1C7E10FFFA135AFAB5FDBA91F4	
F12B8A1C7E10FFFA135AFAB5FDBA91F4.taxon.syn1		F12B8A1C7E10FFFA135AFAB5FDBA91F4.taxon			Animalia	Mollusca	Bivalvia	Carditida	Carditidae	Cardita	species	Cardita hebertiana d'Orbigny 1850	d'Orbigny 1850	Cardita hebertiana	Cardita hebertiana d’Orbigny, 1850: 130			d'Orbigny	1850	synonym		https://treatment.plazi.org/id/F12B8A1C7E10FFFA135AFAB5FDBA91F4	
F12B8A1C7E10FFFA135AFAB5FDBA91F4.taxon.syn2		F12B8A1C7E10FFFA135AFAB5FDBA91F4.taxon			Animalia	Mollusca	Bivalvia	Cardiida	Cardiidae	Cardium	species	Cardium porulosum (Solander 1766)	(Solander 1766)	Cardium porulosum	Cardium porulosum	Solander	1766			synonym		https://treatment.plazi.org/id/F12B8A1C7E10FFFA135AFAB5FDBA91F4	
F12B8A1C7E10FFFA135AFAB5FDBA91F4.taxon.syn3		F12B8A1C7E10FFFA135AFAB5FDBA91F4.taxon			Animalia	Mollusca	Bivalvia	Carditida	Carditidae	Venericardia	species	Venericardia roedeli Ravn 1939	Ravn 1939	Venericardia roedeli	Venericardia roedeli			Ravn	1939	synonym		https://treatment.plazi.org/id/F12B8A1C7E10FFFA135AFAB5FDBA91F4	
F12B8A1C7E10FFFA135AFAB5FDBA91F4.taxon.syn4		F12B8A1C7E10FFFA135AFAB5FDBA91F4.taxon			Animalia	Mollusca	Bivalvia	Carditida	Carditidae	Glyptoactis	species	Glyptoactis (Baluchicardia) hebertiana (d'Orbigny 1850)	(d'Orbigny 1850)	Glyptoactis (Baluchicardia) hebertiana	Glyptoactis (Baluchicardia) hebertiana	d'Orbigny	1850			synonym		https://treatment.plazi.org/id/F12B8A1C7E10FFFA135AFAB5FDBA91F4	
F12B8A1C7E12FFFA1365FCB3FBC3975D.taxon					Animalia	Mollusca	Bivalvia	Carditida	Crassatellidae	Bathytormus	genus	Bathytormus R. B. Stewart 1930	R. B. Stewart 1930	Bathytormus	Bathytormus R. B. Stewart, 1930			R. B. Stewart	1930			https://treatment.plazi.org/id/F12B8A1C7E12FFFA1365FCB3FBC3975D	
F12B8A1C7E12FFFD1303FB6CFDBA96CE.taxon	Merle, Didier (2026): Biodiversity and palaeoecology of the Maastrichtian marine molluscs from the Paris Basin (France). European Journal of Taxonomy 1083: 1-108, DOI: 10.5852/ejt.2026.1083.3313, URL: https://europeanjournaloftaxonomy.eu/index.php/ejt/article/download/3313/14563				Animalia	Mollusca	Bivalvia	Carditida	Crassatellidae	Bathytormus	species	Bathytormus sparnacensis Merle 2026	Merle 2026	Bathytormus sparnacensis	Bathytormus sparnacensis			Merle	2026		spec. nov.	https://treatment.plazi.org/id/F12B8A1C7E12FFFD1303FB6CFDBA96CE	
F12B8A1C7E12FFFD1303FB6CFDBA96CE.taxon.syn1		F12B8A1C7E12FFFD1303FB6CFDBA96CE.taxon			Animalia	Mollusca	Bivalvia	Carditida	Crassatellidae	Bathytormus	species	Bathytormus undetermined		Bathytormus undetermined	Bathytormus sp.					synonym		https://treatment.plazi.org/id/F12B8A1C7E12FFFD1303FB6CFDBA96CE	
F12B8A1C7E15FFFF137BF99EFBDE9155.taxon					Animalia	Mollusca					superClass	Euheterodonta Giribet & Distel 2003	Giribet & Distel 2003	Euheterodonta	Euheterodonta			Giribet & Distel	2003			https://treatment.plazi.org/id/F12B8A1C7E15FFFF137BF99EFBDE9155	
F12B8A1C7E17FFFF1355FD55FD7F96D4.taxon					Animalia	Mollusca	Bivalvia	Caenogastropoda		Undetermined	species	Undetermined undetermined		Undetermined undetermined	Euheterodonta indet.							https://treatment.plazi.org/id/F12B8A1C7E17FFFF1355FD55FD7F96D4	
F12B8A1C7E17FFFF1355FD55FD7F96D4.taxon.syn1		F12B8A1C7E17FFFF1355FD55FD7F96D4.taxon			Animalia	Mollusca	Bivalvia	Lucinida	Lucinidae	Recticardo	species	Recticardo undetermined		Recticardo undetermined	Recticardo sp.					synonym		https://treatment.plazi.org/id/F12B8A1C7E17FFFF1355FD55FD7F96D4	
F12B8A1C7E17FFFE1365F9D4FC27906E.taxon					Animalia	Mollusca					superClass	Euheterodonta Giribet & Distel 2003	Giribet & Distel 2003	Euheterodonta	Euheterodonta			Giribet & Distel	2003			https://treatment.plazi.org/id/F12B8A1C7E17FFFE1365F9D4FC27906E	
F12B8A1C7E16FFFE1358FC78FBB097F4.taxon					Animalia	Mollusca	Gastropoda	Nudibranchia	Tethydidae	Fimbria	genus	Fimbria Megerle von Muhlfeld 1811	Megerle von Muhlfeld 1811	Fimbria	Fimbria Megerle von Mühlfeld, 1811			Megerle von Muhlfeld	1811			https://treatment.plazi.org/id/F12B8A1C7E16FFFE1358FC78FBB097F4	
F12B8A1C7E16FFE11356FB3BFD49949F.taxon					Animalia	Mollusca	Gastropoda	Nudibranchia	Tethydidae	Fimbria	species	Fimbria multilamellosa (d'Orbigny 1850)	(d'Orbigny 1850)	Fimbria multilamellosa	Fimbria multilamellosa (d’Orbigny, 1850)	d'Orbigny	1850					https://treatment.plazi.org/id/F12B8A1C7E16FFE11356FB3BFD49949F	
F12B8A1C7E08FFE01383FEC4FBE29555.taxon					Animalia	Mollusca	Gastropoda	Nudibranchia	Tethydidae	Fimbria	species	Fimbria undefined-1		Fimbria undefined-1	Fimbria sp. 1							https://treatment.plazi.org/id/F12B8A1C7E08FFE01383FEC4FBE29555	
F12B8A1C7E08FFE31383F954FEDF91C6.taxon					Animalia	Mollusca	Gastropoda	Nudibranchia	Tethydidae	Fimbria	species	Fimbria undefined-2		Fimbria undefined-2	Fimbria sp. 2							https://treatment.plazi.org/id/F12B8A1C7E08FFE31383F954FEDF91C6	
F12B8A1C7E0BFFE31320FC5CFF6E97F5.taxon					Animalia	Mollusca	Bivalvia	Venerida	Chamidae	Chama	genus	Chama Linnaeus 1758	Linnaeus 1758	Chama	Chama Linnaeus, 1758			Linnaeus	1758			https://treatment.plazi.org/id/F12B8A1C7E0BFFE31320FC5CFF6E97F5	
F12B8A1C7E0BFFE213C4FB3BFDBA97F4.taxon	Merle, Didier (2026): Biodiversity and palaeoecology of the Maastrichtian marine molluscs from the Paris Basin (France). European Journal of Taxonomy 1083: 1-108, DOI: 10.5852/ejt.2026.1083.3313, URL: https://europeanjournaloftaxonomy.eu/index.php/ejt/article/download/3313/14563				Animalia	Mollusca	Bivalvia	Venerida	Chamidae	Chama	species	Chama loubryi Merle 2026	Merle 2026	Chama loubryi	Chama loubryi			Merle	2026		spec. nov.	https://treatment.plazi.org/id/F12B8A1C7E0BFFE213C4FB3BFDBA97F4	
F12B8A1C7E0BFFE213C4FB3BFDBA97F4.taxon.syn1		F12B8A1C7E0BFFE213C4FB3BFDBA97F4.taxon			Animalia	Mollusca	Bivalvia	Venerida	Chamidae	Chama	species	Chama undetermined		Chama undetermined	Chama sp.					synonym		https://treatment.plazi.org/id/F12B8A1C7E0BFFE213C4FB3BFDBA97F4	
F12B8A1C7E0AFFE51388FAF4FC1492FA.taxon					Animalia	Mollusca	Bivalvia				class	Bivalvia Linnaeus 1758	Linnaeus 1758	Bivalvia	Bivalvia			Linnaeus	1758			https://treatment.plazi.org/id/F12B8A1C7E0AFFE51388FAF4FC1492FA	
F12B8A1C7E0DFFE713F0FD41FA9C9182.taxon					Animalia	Mollusca	Cephalopoda	Nautilida			order	Nautilida Agassiz 1847	Agassiz 1847	Nautilida	Nautilida			Agassiz	1847			https://treatment.plazi.org/id/F12B8A1C7E0DFFE713F0FD41FA9C9182	
