Endoxocrinus (Endoxocrinus) parrae parrae [Gervais (in Guérin, 1835)]

Figures 4 c–d, 5b, 18, 19a, 20a.

Synonymy: Encrinus parrae Gervais (in Guérin, 1835): 49; Pentacrinus mülleri Oersted, 1856: 202; Pentacrinus (Neocrinus) mülleri Thomson, 1864: 7; Isocrinus parrae A.H. Clark, 1908a: 687; Endoxocrinus parrae A.H.Clark, 1908b: 151; Cenocrinus parrae Döderlein, 1912: 21; Endoxocrinus parrae Meyer et al., 1978 (pars): 424; Endoxocrinus parrae (phenotype PA) Oji, 1990a: 603, 1996: 340–341; Endoxocrinus (Endoxocrinus) mülleri var. mülleri David, 1998: 203 (unpublished data); Endoxocrinus (Endoxocrinus) mülleri Roux et al., 2002: 820 .

Diagnosis

A robust subspecies of E. parrae with up to 58 smooth arms (mode 41) up to 168 mm long (mean 125 mm); arm branching strongly endotomous; number of IIIBr 2–7 (mode 3); stalk length up to 34 cm (mean 17 cm); proximalmost stalk diameter up to 7 mm (mode 5.1 mm); proximal cirri remaining rudimentary before the 5th nodal; internodal diameter and thickness weakly irregular; number of internodals per noditaxis up to 12 (mode 8–9); ratio of height to diameter of nodals 0.40–0.43; cryptosymplexies without symmorphy and frequently fused in distal stalk of large specimens; number of cirrals per cirrus up to 43 (mode 35).

Occurrence

From the northwestern Bahamas to southern Brazil, including northern and southern Cuba, northern Jamaica, eastern Yucatan Peninsula, southeastern Nicaragua and Venezuela (Aruba), at depths from 154 m to 518 (531?) m (Oji 1990a, 1996; David 1998).