An illustrated catalogue of type specimens of the bathyal brittlestar genera Ophiomusium Lyman and Ophiosphalma H. L. Clark (Echinodermata: Ophiuroidea) Author Baker, Alan N. text Zootaxa 2016 4097 1 1 40 journal article 10.11646/zootaxa.4097.1.1 1bdc9f90-79e0-4265-b8b7-9057618b36db 1175-5326 270988 CD767562-3A19-4F4C-914D-80C50AD0D250 Ophiomusium morio Koehler, 1922 . Figures 25 a, b Holotype USNM 40993 Albatross station 5392 Between Samar and Masbate, Philippines , 246m . Main Features : Rigid skeleton and stiff arms. Moderately large, slightly tumid disc plates and radial shields. The shields separated from one another by 3 elongated plates Three of the 5 oral shields split proximally. Unusual hoof-shaped genital slits. Dorsal arm plates throughout arm, only 2 ventral plates. Arm joints constricted. Two pairs of very small exposed tentacle pores, each with a single scale. Two small arm spines.