Asteronychidae Verrill, 1899

Baker, Alan N., Okanishi, Masanori & Pawson, David L., 2018, Euryalid brittle stars from the International Indian Ocean Expedition 1963 - 64 (Echinodermata: Ophiuroidea: Euryalida), Zootaxa 4392 (1), pp. 1-27: 7

publication ID

publication LSID

persistent identifier

treatment provided by


scientific name

Asteronychidae Verrill, 1899


Family Asteronychidae Verrill, 1899 

Diagnosis. Arms simple, coiled. Disc five lobed or circular, covered with skin and/or plate-shaped external ossicles. Teeth spiniform, covering whole side of jaw. Radial shields narrow, multi-layered. Ventral arm plates limited to a few basal arm segments. Up to more than ten arm spines. Genital slits usually small, half the length of the height of the disc.