Image for the group Ophiuroidea
Ophiuroidea [class]
Myophiuroidea [subclass]
Metophiurida [infraclass]
Euryophiurida [superorder]
Ophiurida [order]
Chilophiurina [infraorder]
Ophiuridae [family]
Ophiomusina [suborder]
Ophiomusaidae [family]
Ophiurina [suborder]
Ophiacanthidae [family]
Ophiacantha [genus]
Ophiolepididae [family]
Ophiomusa [genus]
