Ophiomusium leptobrachium H. L. Clark, 1941 .

Figure 16 a, b, c

Holotype MCZ 6235, Atlantis Station 3363, off Puerto Cayo Moa, Cuba, 1518m.

Main Features: Disc tumid, surface a fine meshwork, not granular. Large, triangular radial shields contiguous for half their length. Large interradial plate, longer than wide. Arms narrow, dorsal arm plates small. 2–3 small arm spines. Oral shields and 1 post-shield plate dominate the ventral interradius. Two pairs of exposed tentacle pores, each with a circular scale. Oral papillae separated. Only two ventral arm plates.