New Eocene species of the crinoid genera Holopus and Cyathidium (Cyrtocrinida: Holopodidae) from north-eastern Italy Author Martinez-Soares, Pablo Institut de Systématique, Evolution, Biodiversité (ISYEB) UMR 7205 CNRS-MNHN-SU-EPHE-UA, Muséum national d’Histoire naturelle, 57 rue Cuvier, 75005 Paris, France. Author Roux, Michel 0000-0003-3119-9609 Institut de Systématique, Evolution, Biodiversité (ISYEB) UMR 7205 CNRS-MNHN-SU-EPHE-UA, Muséum national d’Histoire naturelle, 57 rue Cuvier, 75005 Paris, France. michel.roux51@gmail.com Author Giusberti, Luca 0000-0002-4401-5410 luca.giusberti@unipd.it Author Gatto, Roberto 0000-0001-5849-1242 roberto.gatto@unipd.it Author Eléaume, Marc 0000-0003-1999-1177 Institut de Systématique, Evolution, Biodiversité (ISYEB) UMR 7205 CNRS-MNHN-SU-EPHE-UA, Muséum national d’Histoire naturelle, 57 rue Cuvier, 75005 Paris, France. & Institut de Systématique, Evolution, Biodiversité (ISYEB) UMR 7205 CNRS-MNHN-SU-EPHE-UA, Muséum national d’Histoire naturelle, BP 225, 29182 Concarneau Cedex, France. marc.eleaume@mnhn.fr Author Améziane, Nadia 0000-0002-8546-9961 Institut de Systématique, Evolution, Biodiversité (ISYEB) UMR 7205 CNRS-MNHN-SU-EPHE-UA, Muséum national d’Histoire naturelle, BP 225, 29182 Concarneau Cedex, France. nadia.ameziane@mnhn.fr text Zootaxa 2024 2024-11-28 5541 4 401 437 http://dx.doi.org/10.11646/zootaxa.5360.3.8 journal article 306215 10.11646/zootaxa.5541.4.1 5fa2643e-e446-4cfb-a3ff-df228ed120f4 1175-5326 14241160 4F812F60-9242-4F44-8E25-99381FD7E8B3

TABLE 12. Main quantitative characters of IBrax in Holopus spileccense. Abbreviations: see Fig. 1B. Note that MGPPD 33245 Br7 is a non-axillary IBr (see text). Wd used as growth index. Values in mm except ratios.

Specimen	Figure	Wd	H	Wp	Wm	H/Wd	H/Wp	Wp/Wm	Wp/Wd
MGP-PD 33244 Br9	13B	2.7	2.5	1.9	1.4	0.92	1.30	1.34	0.70
MGP-PD 33245 Br7	12C	2.8	2.8	2.2	-	1.00	1.24	-	0.81
MGP-PD 33244 Br12	13A	2.9	2.5	1.8	1.6	0.86	1.38	1.16	0.63
MGP-PD 33246 Br5	-	3.2	2.7	2.3	2.0	0.85	1.17	1.18	0.72
MGP-PD 33246 Br15	-	-	2.7	2.2	1.6	0.84	1.24	1.38	0.68
MGP-PD 33244 Br13	13D	>3	3.1	2.9	2.0	<0.91	1.06	1.45	<0.85
MGP-PD 33246 Br10	-	3.5	3.0	2.4	2.1	0.86	1.22	1.17	0.70
MGP-PD 33244 Br1	13E	3.8	3.2	2.7	2.1	0.84	1.18	1.29	0.71
MGP-PD 33244 Br14	13C	3.8	3.2	2.3	2.0	0.86	1.40	1.17	0.61
MGP-PD 33246 Br11	-	3.9	3.1	3.8	2.7	0.78	0.82	1.39	0.95
MGP-PD 33246 Br2	-	4.2	3.2	3.5	2.2	0.76	0.94	1.59	0.81
MGP-PD 33244 Br16	13F	4.2	3.6	2.8	2.3	0.85	1.28	1.25	0.67