Amphilepidida (original description)
Amphiophiura Matsumoto, 1915 (taxonomy source)
Amphiuroidea Ljungman, 1867 (taxonomy source)
Euryophiurida (original description)
Gnathophiurina (taxonomy source)
Ophiacanthida (original description)
Ophiacanthidae Ljungman, 1867 (taxonomy source)
Ophiacanthina (original description)
Ophintegrida (original description)
Ophiolepididae Ljungman, 1867 (restricted) (taxonomy source)
Ophiolepidoidea Ljungman, 1867 (taxonomy source)
Ophioleucida (original description)
Ophiomusina (original description)
Ophionereidina (original description)
Ophiopyrgidae Perrier, 1893 (status source)
Ophioscolecida (original description)
Ophioscolecidae Lütken, 1869 (basis of record)
Ophiurida (taxonomy source)
Ophiurina (taxonomy source)

 Synonymy

 for Placophiothrix H.L. Clark, 1938

Placophiothrix forms a monophyletic clade with Macrophiothrix acc. to Hoggett (1990) and O'Hara et al. (2017, suppl.). [details]

 Taxonomy

 for Euryalida

The superfamilies Gorgoncephalidea and Euryalidea proposed by Okanishi & Fujita (2013) were not supported by O'Hara ... [details]

 Taxonomy

 for Ophiodermatina

Records under revision. Families will be changed soon. [details]

 Taxonomy

 for Ophiozonella Matsumoto, 1915

Ophiozonella is currently paraphyletic. Species with three or more arm spines group together, species with fewer ... [details]