Full reference: L. Agassiz. 1836. Prodrome d'une monographie des radiaires ou échinodermes. Mémoires de la Société des Sciences Naturelles de Neuchâtel 1:168-199
Parent taxon: Ophiuroidea according to W. K. Spencer and C.W. Wright 1966
Sister taxa: Ataxaster, Calclyra, Calclyridae, Calyptactis, Cheiropterasteridae, Encrinasteridae, Eophiuridae, Euryalida, Euzonosomatidae, Hallasteridae, Klasmuridae, Lumectaster, Myophiuroida, Oegophiurida, Oegophiuridea, Oegophiuroida, Ophiaulaxoides, Ophioflabellum, Ophioma, Ophiotrigonum, Ophiurida, Ophiuridea, Phrynophiurida, Stenasteridae, Stenurida
Subtaxa: Ophiurella bispinosa, Ophiurella speciosa, Ophiurella viguieri
Type: Ophiura speciosa
Ecology: slow-moving low-level epifaunal detritivore-suspension feeder