Endoxocrinus (Endoxocrinus) parrae carolinae ( A.H. Clark, 1934 )

David, Jerome, Roux, Michel, Messing, Charles G. & Ameziane, Nadia, 2006, Revision of the pentacrinid stalked crinoids of the genus Endoxocrinus (Echinodermata, Crinoidea), with a study of environmental control of characters and its consequences for taxonomy, Zootaxa 1156, pp. 1-50 : 37

publication ID

https://doi.org/ 10.5281/zenodo.172265

DOI

https://doi.org/10.5281/zenodo.6260995

persistent identifier

https://treatment.plazi.org/id/467B4160-FFB6-FB46-FE96-6B2F59BB014B

treatment provided by

Plazi

scientific name

Endoxocrinus (Endoxocrinus) parrae carolinae ( A.H. Clark, 1934 )
status

 

Endoxocrinus (Endoxocrinus) parrae carolinae ( A.H. Clark, 1934)

Figures 4 View FIGURE 4 e–f, 5a.

Synonymy: Diplocrinus carolinae A.H. Clark, 1934: 4 ; Diplocrinus maclearanus Meyer et al., 1978 (pars): 426; Endoxocrinus (Endoxocrinus) mülleri var. carolinae David, 1998: 203 (unpublished data); Endoxocrinus (Endoxocrinus) carolinae Roux et al., 2002: 820 .

Emended diagnosis

A short­stalked subspecies of E. parrae with up to 40 (mode 30) smooth arms (rarely rough) up to 168 mm long (mean 123 mm); number of IIIBr up to 4 (mode 3); stalk length up to 16.2 cm (mean 10.2 cm); proximalmost stalk diameter up to 5.6 mm (mean 5 mm); proximal cirri remaining rudimentary behind the 5th nodal; columnal thickness and width irregular; number of internodals per noditaxis up to 12 (mode 8); ratio of height to diameter of nodals 0.41–0.44; cryptosymplexies with a slight inner symmorphy of interpetaloid zones; number of cirrals per cirrus up to 44 (mode 34).

Type locality

Off Puerto Rico at a depth of 504– 612 m.

Holotype: Catalogue no. USNM E3124, National Museum of Natural History, Smithsonian Institution, Washington D.C.; first figured by A.H. Clark, 1934, Pl. 1, Fig. 3 View FIGURE 3 and Pl. 2 Fig. 5 View FIGURE 5 .

USNM

Smithsonian Institution, National Museum of Natural History

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