taxonID	type	format	identifier	references	title	description	created	creator	contributor	publisher	audience	source	license	rightsHolder	datasetID
03FD212EC1130C7FFF294B2AFC0BFC35.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/14804601/files/figure.png	https://doi.org/10.5281/zenodo.14804601	FIGURE 3. Porphyrocrinus polyarthra, columnal synarthries from site RR13A on the western Rodrigues Ridge. A: OPH199, in mid mesistele, B: OPH200, in mid distal mesistele, C–D: OPH201, in distal mesistele, D: detail of fulcral ridge, E: in dististele. Scale bars equal 0.5 mm.	FIGURE 3. Porphyrocrinus polyarthra, columnal synarthries from site RR13A on the western Rodrigues Ridge. A: OPH199, in mid mesistele, B: OPH200, in mid distal mesistele, C–D: OPH201, in distal mesistele, D: detail of fulcral ridge, E: in dististele. Scale bars equal 0.5 mm.	2025-02-04	Roux, Michel;Thuy, Ben;Gale, Andy S.		Zenodo	biologists	Roux, Michel;Thuy, Ben;Gale, Andy S.			
03FD212EC1130C7FFF294B2AFC0BFC35.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/14804607/files/figure.png	https://doi.org/10.5281/zenodo.14804607	FIGURE 4. Brachials of Porphyrocrinus. A–B, D–E, G–H: OPH204, P. polyarthra from site RR13A, A–B: same proximal brachial of a pair, D,E,H: same distal brachial of a pair, G: distal brachial of another pair; C, F, I: P. thalassae from Bay of Biscay (NE Atlantic), A–C: trifascial facets of ligamentary articulations; D–F: distal brachials of a pair with muscular synarthry; H–I: spines on aboral side surface; A–F: more or less oblique distal views; G: adoral side view; H–I: aboral side views. Scale bars equal 0.2 mm.	FIGURE 4. Brachials of Porphyrocrinus. A–B, D–E, G–H: OPH204, P. polyarthra from site RR13A, A–B: same proximal brachial of a pair, D,E,H: same distal brachial of a pair, G: distal brachial of another pair; C, F, I: P. thalassae from Bay of Biscay (NE Atlantic), A–C: trifascial facets of ligamentary articulations; D–F: distal brachials of a pair with muscular synarthry; H–I: spines on aboral side surface; A–F: more or less oblique distal views; G: adoral side view; H–I: aboral side views. Scale bars equal 0.2 mm.	2025-02-04	Roux, Michel;Thuy, Ben;Gale, Andy S.		Zenodo	biologists	Roux, Michel;Thuy, Ben;Gale, Andy S.			
03FD212EC1130C7FFF294B2AFC0BFC35.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/14804599/files/figure.png	https://doi.org/10.5281/zenodo.14804599	FIGURE 2. Ossicle biocorrosion at site RR13A on the western Rodrigues Ridge. A: moderate biocorrosion with large part of stereom remaining of smooth surface, see framboid spherule of pyrite at center, B–C: development of microperforations, B: dense rectilinear perforations, C: meshworked perforations, D: high biocorrosion providing dislocation of stereom and micrite filling in porosity. A, C–D: Porphyrocrinus polyarthra; A, C: brachials, D: distal columnal; B: Basal ring of Bathycrinus sp. Scale bars equal 10 µm.	FIGURE 2. Ossicle biocorrosion at site RR13A on the western Rodrigues Ridge. A: moderate biocorrosion with large part of stereom remaining of smooth surface, see framboid spherule of pyrite at center, B–C: development of microperforations, B: dense rectilinear perforations, C: meshworked perforations, D: high biocorrosion providing dislocation of stereom and micrite filling in porosity. A, C–D: Porphyrocrinus polyarthra; A, C: brachials, D: distal columnal; B: Basal ring of Bathycrinus sp. Scale bars equal 10 µm.	2025-02-04	Roux, Michel;Thuy, Ben;Gale, Andy S.		Zenodo	biologists	Roux, Michel;Thuy, Ben;Gale, Andy S.			
03FD212EC1100C70FF294F33FE87FF61.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/14804609/files/figure.png	https://doi.org/10.5281/zenodo.14804609	FIGURE 5. Rhizocrinid aboral cups from site RR13A on the western Rodrigues Ridge (A–G) and from Bay of Biscay (H). A–E: Paraconocrinus rodriguesensis n. sp., A–B: OPH208, paratype 1, C–E: OPH207, holotype; F–G: Cherbonniericrinus pliocenicus n. sp., OPH206, holotype; H: extant specimen of Cherbonniericrinus cherbonnieri from Bay of Biscay.A, D, F: side view, B–C adoral view of radial ring, E, G, H: oblique distal view of radial ring. Scale bars equal 0.1 mm.	FIGURE 5. Rhizocrinid aboral cups from site RR13A on the western Rodrigues Ridge (A–G) and from Bay of Biscay (H). A–E: Paraconocrinus rodriguesensis n. sp., A–B: OPH208, paratype 1, C–E: OPH207, holotype; F–G: Cherbonniericrinus pliocenicus n. sp., OPH206, holotype; H: extant specimen of Cherbonniericrinus cherbonnieri from Bay of Biscay.A, D, F: side view, B–C adoral view of radial ring, E, G, H: oblique distal view of radial ring. Scale bars equal 0.1 mm.	2025-02-04	Roux, Michel;Thuy, Ben;Gale, Andy S.		Zenodo	biologists	Roux, Michel;Thuy, Ben;Gale, Andy S.			
03FD212EC1100C70FF294F33FE87FF61.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/14804601/files/figure.png	https://doi.org/10.5281/zenodo.14804601	FIGURE 3. Porphyrocrinus polyarthra, columnal synarthries from site RR13A on the western Rodrigues Ridge. A: OPH199, in mid mesistele, B: OPH200, in mid distal mesistele, C–D: OPH201, in distal mesistele, D: detail of fulcral ridge, E: in dististele. Scale bars equal 0.5 mm.	FIGURE 3. Porphyrocrinus polyarthra, columnal synarthries from site RR13A on the western Rodrigues Ridge. A: OPH199, in mid mesistele, B: OPH200, in mid distal mesistele, C–D: OPH201, in distal mesistele, D: detail of fulcral ridge, E: in dististele. Scale bars equal 0.5 mm.	2025-02-04	Roux, Michel;Thuy, Ben;Gale, Andy S.		Zenodo	biologists	Roux, Michel;Thuy, Ben;Gale, Andy S.			
03FD212EC11F0C71FF294D79FACBFB50.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/14804609/files/figure.png	https://doi.org/10.5281/zenodo.14804609	FIGURE 5. Rhizocrinid aboral cups from site RR13A on the western Rodrigues Ridge (A–G) and from Bay of Biscay (H). A–E: Paraconocrinus rodriguesensis n. sp., A–B: OPH208, paratype 1, C–E: OPH207, holotype; F–G: Cherbonniericrinus pliocenicus n. sp., OPH206, holotype; H: extant specimen of Cherbonniericrinus cherbonnieri from Bay of Biscay.A, D, F: side view, B–C adoral view of radial ring, E, G, H: oblique distal view of radial ring. Scale bars equal 0.1 mm.	FIGURE 5. Rhizocrinid aboral cups from site RR13A on the western Rodrigues Ridge (A–G) and from Bay of Biscay (H). A–E: Paraconocrinus rodriguesensis n. sp., A–B: OPH208, paratype 1, C–E: OPH207, holotype; F–G: Cherbonniericrinus pliocenicus n. sp., OPH206, holotype; H: extant specimen of Cherbonniericrinus cherbonnieri from Bay of Biscay.A, D, F: side view, B–C adoral view of radial ring, E, G, H: oblique distal view of radial ring. Scale bars equal 0.1 mm.	2025-02-04	Roux, Michel;Thuy, Ben;Gale, Andy S.		Zenodo	biologists	Roux, Michel;Thuy, Ben;Gale, Andy S.			
03FD212EC11D0C73FF294CD5FC09FF61.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/14804612/files/figure.png	https://doi.org/10.5281/zenodo.14804612	FIGURE 6. Bathycrinid and hyocrinid ossicles. A–B, D, F: from site RR13A on the western Rodrigues Ridge; A–C: basal circlets, A–B: Bathycrinus sp., OPH210, A: aboral facet, B: adoral facet, C: oblique proximal view, extant B. carpentieri from Norvegian sea; D–E: axillary primibrachial (IBr2ax), D: Bathycrinus sp., OPH211, E: Monachocrinus recuperatus, from NE Atlantic; F: hyocrinid columnal, OPH212. Scale bars equal 0.2 mm.	FIGURE 6. Bathycrinid and hyocrinid ossicles. A–B, D, F: from site RR13A on the western Rodrigues Ridge; A–C: basal circlets, A–B: Bathycrinus sp., OPH210, A: aboral facet, B: adoral facet, C: oblique proximal view, extant B. carpentieri from Norvegian sea; D–E: axillary primibrachial (IBr2ax), D: Bathycrinus sp., OPH211, E: Monachocrinus recuperatus, from NE Atlantic; F: hyocrinid columnal, OPH212. Scale bars equal 0.2 mm.	2025-02-04	Roux, Michel;Thuy, Ben;Gale, Andy S.		Zenodo	biologists	Roux, Michel;Thuy, Ben;Gale, Andy S.			
