Ophiacanthidae

Ophiacanthidae is a family of brittle stars. Axel Vilhelm Ljungman circumscribed this taxon in 1867; he initially named the subfamily Ophiacanthinae within the family Amphiuridae. Gordon L. J. Paterson promoted its rank to family in 1985.

, genera include:
 * Ophiacantha Müller & Troschel, 1842
 * Ophiohamus O’Hara & Stöhr, 2006
 * Brezinacantha Thuy et al., 2018