Ophiacanthida

Okanishi, Masanori, Oba, Yuichi & Fujita, Yoshihisa, 2019, Brittle stars from a submarine cave of Christmas Island, northwestern Australia, with description of a new bioluminescent species Ophiopsila xmasilluminans (Echinodermata: Ophiuroidea) and notes on its behaviour, Raffles Bulletin of Zoology 67, pp. 421-439 : 435

Ophiacanthida incertae sedis Genus Ophiomora Koehler, 1907

Type species. Ophiomora elegans Koehler, 1907 (monotypic).

Diagnosis. Body covered by thick integument including no granules, scales nor plates, excepting the single transverse row of stout plates on marginal disc; extremely small, short genital slits, carrying small ossicles with thorns inside of the slits; instead of dorsal arm plates; small fragmented mosaic plates covering aboral surface of the arm; oral papillae and tentacle scale present distinctly; vertebrae having streptospondylous articulation form.