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 Ophiosphalma armatum ( Koehler, 1922 ) . Figures 41 a, b Ophiomusium armatum Koehler, 1922 . Lectotype USNM 0 0 40923 Albatross Station 5428 eastern Palawan, 2021m . Dr Marc Eleaume, Paris Museum, has recently informed me that a syntype of this species in in their collection: NMNH 10384, ex- Albatross Expedition. Main Features : Disc diameter 11 mm . Glabrous surface. Dorsal arm plates throughout length of arms, diamond-shaped. 6 subequal arm spines. 3 pairs of exposed tentacle pores, each with 2 tentacle scales. Long genital slits extending to disc edge, and bordered each side by bead-like papillae. Lemon-shaped oral shield, 6 oral papillae.