Ophiomusium alecto A. H. Clark, 1936

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 : 6

Ophiomusium alecto A. H. Clark, 1936 .

Figures 2 a, b

Holotype USNM E0005197, north of Puerto Rico, 183–549 m, RV Caroline, Johnson-Smithsonian Deep Sea Expedition March 1933.

Main Features: Disc diameter 4 mm, disc circular. Arms 8 mm. Dorsal surface dominated by primary plates and radial shields. A large interradial plate present. First 5 dorsal arm plates swollen, remainder low and hardly visible. 3–4 arm spines, lower and middle ones longest.

Two ventral arm plates, 2 pairs of exposed tentacle pores, genital slits long and raised at edges, sinuous.

Figures

FIGURE 2. Ophiomusium alecto USNM E 0005197: a, b, dorsal and ventral disc sectors. FIGURE 3. Ophiomusium altum RMNH V. Ech. O 2045: a, b dorsal and ventral disc sectors.