taxonID	type	format	identifier	references	title	description	created	creator	contributor	publisher	audience	source	license	rightsHolder	datasetID
03ACC15FAB363B25FF12FD580A38FB80.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16971587/files/figure.png	https://doi.org/10.5281/zenodo.16971587	Fig. 3 Holotype of Laffonia helvetica (PIMUZ 5272). A–C Inferred dorsal, lateral and ventral view,respectively. D–F interpretative drawings of (A–C), respectively. Fl: flange; Lr: longitudinal rib	Fig. 3 Holotype of Laffonia helvetica (PIMUZ 5272). A–C Inferred dorsal, lateral and ventral view,respectively. D–F interpretative drawings of (A–C), respectively. Fl: flange; Lr: longitudinal rib	2025-02-16	Zhao, Yang;Bestwick, Jordan;Fischer, Jan;Bastiaans, Dylan;Greif, Merle;Klug, Christian		Zenodo	biologists	Zhao, Yang;Bestwick, Jordan;Fischer, Jan;Bastiaans, Dylan;Greif, Merle;Klug, Christian			
03ACC15FAB363B25FF12FD580A38FB80.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16971589/files/figure.png	https://doi.org/10.5281/zenodo.16971589	Fig. 4 Details of the holotype of Laffonia helvetica (PIMUZ 5272). A anterior part of the body.B posterior part of the body, showing an elongated pedicle accompanied by two lateral flanges.C a lateral flange along the right side of the capsule body. D–E optical shadow effect mode images of the boxed region in (C), showing the flange ornamented with dense striations.Bo: body; Fl: flange; Lr: longitudinal rib; Pe:pedicle	Fig. 4 Details of the holotype of Laffonia helvetica (PIMUZ 5272). A anterior part of the body.B posterior part of the body, showing an elongated pedicle accompanied by two lateral flanges.C a lateral flange along the right side of the capsule body. D–E optical shadow effect mode images of the boxed region in (C), showing the flange ornamented with dense striations.Bo: body; Fl: flange; Lr: longitudinal rib; Pe:pedicle	2025-02-16	Zhao, Yang;Bestwick, Jordan;Fischer, Jan;Bastiaans, Dylan;Greif, Merle;Klug, Christian		Zenodo	biologists	Zhao, Yang;Bestwick, Jordan;Fischer, Jan;Bastiaans, Dylan;Greif, Merle;Klug, Christian			
03ACC15FAB363B25FF12FD580A38FB80.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16971591/files/figure.png	https://doi.org/10.5281/zenodo.16971591	Fig. 5 Phylogenetic relationship of chondrichthyan egg capsules.Laffonia is placed in a group (coloured pink) that comprises Carboniferous capsule types and extant chimaerid capsules.Numbers at nodes are support values from bootstrap/jackknife/Bremer. Fossil taxa are indicated by the dagger symbol	Fig. 5 Phylogenetic relationship of chondrichthyan egg capsules.Laffonia is placed in a group (coloured pink) that comprises Carboniferous capsule types and extant chimaerid capsules.Numbers at nodes are support values from bootstrap/jackknife/Bremer. Fossil taxa are indicated by the dagger symbol	2025-02-16	Zhao, Yang;Bestwick, Jordan;Fischer, Jan;Bastiaans, Dylan;Greif, Merle;Klug, Christian		Zenodo	biologists	Zhao, Yang;Bestwick, Jordan;Fischer, Jan;Bastiaans, Dylan;Greif, Merle;Klug, Christian			
03ACC15FAB363B20FCA8FBBE0E18FBC0.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16971589/files/figure.png	https://doi.org/10.5281/zenodo.16971589	Fig. 4 Details of the holotype of Laffonia helvetica (PIMUZ 5272). A anterior part of the body.B posterior part of the body, showing an elongated pedicle accompanied by two lateral flanges.C a lateral flange along the right side of the capsule body. D–E optical shadow effect mode images of the boxed region in (C), showing the flange ornamented with dense striations.Bo: body; Fl: flange; Lr: longitudinal rib; Pe:pedicle	Fig. 4 Details of the holotype of Laffonia helvetica (PIMUZ 5272). A anterior part of the body.B posterior part of the body, showing an elongated pedicle accompanied by two lateral flanges.C a lateral flange along the right side of the capsule body. D–E optical shadow effect mode images of the boxed region in (C), showing the flange ornamented with dense striations.Bo: body; Fl: flange; Lr: longitudinal rib; Pe:pedicle	2025-02-16	Zhao, Yang;Bestwick, Jordan;Fischer, Jan;Bastiaans, Dylan;Greif, Merle;Klug, Christian		Zenodo	biologists	Zhao, Yang;Bestwick, Jordan;Fischer, Jan;Bastiaans, Dylan;Greif, Merle;Klug, Christian			
03ACC15FAB333B2CFF12FB5E0E7DFDE0.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16971593/files/figure.png	https://doi.org/10.5281/zenodo.16971593	Fig. 6 Modern holocephalan egg capsules. A Callorhinchus milli (EMRG-Chond-E-2), dorsal view.B Rhinochimaera atlantica (ZMH-ICH-123083), dorsal view. C Chimaera monstrosa (ZMH-ICH-101805), ventral view. D Hydrolagus colliei (EMRG-Chond-E-1), dorsal view. E Hydrolagus mirabilis (ZMH-ICH-122227), dorsal view.A, D Courtesy of JÜrgen Kriwet and Lilith Mathiaschitz (Department of Palaeontology,University of Vienna). B, C, E courtesy of Thilo Weddehage (Leibniz Institute for the Analysis of Biodiversity Change, Hamburg, Germany)	Fig. 6 Modern holocephalan egg capsules. A Callorhinchus milli (EMRG-Chond-E-2), dorsal view.B Rhinochimaera atlantica (ZMH-ICH-123083), dorsal view. C Chimaera monstrosa (ZMH-ICH-101805), ventral view. D Hydrolagus colliei (EMRG-Chond-E-1), dorsal view. E Hydrolagus mirabilis (ZMH-ICH-122227), dorsal view.A, D Courtesy of JÜrgen Kriwet and Lilith Mathiaschitz (Department of Palaeontology,University of Vienna). B, C, E courtesy of Thilo Weddehage (Leibniz Institute for the Analysis of Biodiversity Change, Hamburg, Germany)	2025-02-16	Zhao, Yang;Bestwick, Jordan;Fischer, Jan;Bastiaans, Dylan;Greif, Merle;Klug, Christian		Zenodo	biologists	Zhao, Yang;Bestwick, Jordan;Fischer, Jan;Bastiaans, Dylan;Greif, Merle;Klug, Christian			
03ACC15FAB333B2CFF12FB5E0E7DFDE0.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16971585/files/figure.png	https://doi.org/10.5281/zenodo.16971585	Fig. 2 Schematic drawings of fossil and modern holocephalan egg capsule morphotypes. A Crookallia, B Vetacapsula, C Laffonia helvetica, and D Chimaera monstrosa. A and B are modified from Fischer et al. (2014) and Mottequin et al. (2022); D is modified from Mancusi et al. (2021).The very anterior and posterior edges of the Laffonia capsule are purely hypothetical. Drawings are not to scale	Fig. 2 Schematic drawings of fossil and modern holocephalan egg capsule morphotypes. A Crookallia, B Vetacapsula, C Laffonia helvetica, and D Chimaera monstrosa. A and B are modified from Fischer et al. (2014) and Mottequin et al. (2022); D is modified from Mancusi et al. (2021).The very anterior and posterior edges of the Laffonia capsule are purely hypothetical. Drawings are not to scale	2025-02-16	Zhao, Yang;Bestwick, Jordan;Fischer, Jan;Bastiaans, Dylan;Greif, Merle;Klug, Christian		Zenodo	biologists	Zhao, Yang;Bestwick, Jordan;Fischer, Jan;Bastiaans, Dylan;Greif, Merle;Klug, Christian			
03ACC15FAB333B2CFF12FB5E0E7DFDE0.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16971591/files/figure.png	https://doi.org/10.5281/zenodo.16971591	Fig. 5 Phylogenetic relationship of chondrichthyan egg capsules.Laffonia is placed in a group (coloured pink) that comprises Carboniferous capsule types and extant chimaerid capsules.Numbers at nodes are support values from bootstrap/jackknife/Bremer. Fossil taxa are indicated by the dagger symbol	Fig. 5 Phylogenetic relationship of chondrichthyan egg capsules.Laffonia is placed in a group (coloured pink) that comprises Carboniferous capsule types and extant chimaerid capsules.Numbers at nodes are support values from bootstrap/jackknife/Bremer. Fossil taxa are indicated by the dagger symbol	2025-02-16	Zhao, Yang;Bestwick, Jordan;Fischer, Jan;Bastiaans, Dylan;Greif, Merle;Klug, Christian		Zenodo	biologists	Zhao, Yang;Bestwick, Jordan;Fischer, Jan;Bastiaans, Dylan;Greif, Merle;Klug, Christian			
03ACC15FAB333B2CFF12FB5E0E7DFDE0.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16971595/files/figure.png	https://doi.org/10.5281/zenodo.16971595	Fig. 7 Stratigraphic distribution of chondrichthyan fossil egg capsule morphotypes and their potential producers, adapted from Fischer et al., 2013, 2014, 2023. Orange bars in Holocephali denote each known occurrence of capsules in the fossil record. All schematic drawings are not to scale	Fig. 7 Stratigraphic distribution of chondrichthyan fossil egg capsule morphotypes and their potential producers, adapted from Fischer et al., 2013, 2014, 2023. Orange bars in Holocephali denote each known occurrence of capsules in the fossil record. All schematic drawings are not to scale	2025-02-16	Zhao, Yang;Bestwick, Jordan;Fischer, Jan;Bastiaans, Dylan;Greif, Merle;Klug, Christian		Zenodo	biologists	Zhao, Yang;Bestwick, Jordan;Fischer, Jan;Bastiaans, Dylan;Greif, Merle;Klug, Christian			
