Chiridotidae Östergren, 1898

Smirnov, Alexey V., Panina, Elena G., Sanamyan, Nadezhda P. & Sanamyan, Karen E., 2017, ScoliorhAPis stEPAnovi - new species of sea cucumber from the North-West Pacific (Holothuroidea: Synaptida: Chiridotidae: Taeniogyrinae) and some remarks on the genus ScoliorhAPis, Zootaxa 4337 (4), pp. 563-572 : 564

Family Chiridotidae Östergren, 1898

Diagnosis (after Smirnov, 2012). Synaptina with 10, 12 or 18 peltato-digitate, pinnate, or secondarily simple tentacles with single pair of digits on the tip. Ossicles: chiridotid wheels and/or sigmoids; chiridotid wheels with six spokes, numerous small denticles on the inner rim and complex hub; the lower side of each spoke branches toward the lower side of the egg-shaped hub to form a star-shaped structure in the centre; the tentacles and the body wall also contain rod-like ossicles with branching ends.