Ophiomusium zela A. H. Clark 1949

Baker, Alan N., 2016, An illustrated catalogue of type specimens of the bathyal brittlestar genera Ophiomusium Lyman and Ophiosphalma H. L. Clark (Echinodermata: Ophiuroidea), Zootaxa 4097 (1), pp. 1-40 : 24

Ophiomusium zela A. H. Clark 1949 .

Figures 39 a, b

Holotype USNM E7129 and 2 paratypes E 7130, Albatross station 4018 vicinity of Kauai, Hawaii, 1469– 1342 m.

Main Features: Small circular disc with few plates, mainly primaries, all heavily granular. Granules have balllike glassy heads. Areas between granules filled with skin. Radial shields contiguous. Small dorsal arm plates throughout arm. Six longish arm spines, 2 lowermost double hooked. Area between first lateral arm plates very narrow, containing first ventral arm plate. Two pairs of exposed tentacle pores, no scale. Diamond-shaped oral shields with one almost square plate between it and the wide interradial plate. Oral papillae not separated.

Figures

FIGURE 39. Ophiomusium zela USNM E 7129: a, b, dorsal and ventral disc sectors. FIGURE 40. Ophiosphalma archaster BMNH 82 - 12 - 23 - 364: a, b, dorsal and ventral disc sectors. FIGURE 41. Ophiosphalma armatum USNM 0040923: a, b, dorsal and ventral disc sectors. FIGURE 42. Ophiosphalma armigerum BMNH 82.2.23.177: a, b, dorsal and ventral disc sectors; c, Ophiosphalma planum MCZ 475: dorsal disc sector.