| Class Ophiuroidea Gray (1840) |
| Subclass Myophiuroidea Matsumoto (1915) |
| Infraclass Metophiurida Matsumoto (1913) (crown-group of Ophiuroidea) |
| Superorder Ophintegrida O’Hara et al. (2017) |
| Order Ophiacanthida O’Hara et al. (2017) |
| Suborder Ophiacanthina O’Hara et al. (2017) |
| Family Ophiacanthidae Ljungman (1867) |
| Genus OphiomitrellaVerrill (1899) |
| Ophiomitrella floorae n. sp. |
| Figs. 5A–5C |
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