Ophiomusium longispinum Koehler,1930

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 : 14

Ophiomusium longispinum Koehler,1930 .

Figure 18 a, b

Syntypes (2) ZMUC OPH-500, Pacific Expedition station 7, North Banda Sea, 196 m.

Main Features: Even-sized plates on disc apart from large interradials and oval radial shields. Interradial plates are ribbed. Arm spines almost a segment long, and present on dorsal surface of lateral arm plates. Two pairs of exposed tentacle pores each with a large scale. Shield-shaped oral shields, with many smaller plates between it and disc margin.

Ventral arm plates visible until the 6th arm segment.