Ophiomusium testudo Lyman 1875

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 : 22

Ophiomusium testudo Lyman 1875 .

Figures 35 a, b, c

Ophiomusium testudo Lyman 1875 ; H. L. Clark, 1941.

Holotype MCZ 485, Hassler Expedition, off Barbados, 182m.

Main Features: Few imbricating disc plates, finely granular. Radial shields separated by a triangular plate. Interradial plate small. Dorsal arm plates throughout in median groove. Two ventral arm plates each with a pair of exposed tentacle pores, each with a scale. 3 small arm spines low down on lateral arm plates. Lateral arm plates finely granular. Ventral interradial area consists of large bell-shaped oral shield and a similarly large distal plate, with two or three smaller plates at the disc margin.

Figures

FIGURE 35. Ophiomusium testudo MCZ 485: a, b, dorsal and ventral disc sectors.