Ophiacanthida
Ophiacanthida is an order of echinoderms belonging to the class Ophiuroidea.
The order contains two suborders, Ophiodermatina and Ophiacanthina, which include the following families:
- Ophiodermatina, 1867
- * Ophiodermatidae
- * Ophiomyxidae
- * Ophiopezidae
- * Ophiocomidae
- Ophiacanthina O'Hara, Hugall, Thuy, Stöhr & Martynov, 2017
- * Clarkcomidae
- * Ophiacanthidae
- * Ophiobyrsidae
- * Ophiocamacidae
- * Ophiopteridae
- * Ophiotomidae
- * Ophiojuridae