Ophiuroidea

Full reference: H. Matsumoto. 1915. A new classification of Ophiuroidea: with description of genera and species. Proceedings of the Academy of Natural Sciences of Philadelphia 67:43-92

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, Oegophiuridea, Oegophiuroida, Ophiaulaxoides, Ophioflabellum, Ophioma, Ophiotrigonum, Ophiurella, Ophiurida, Ophiuridea, Phrynophiurida, Stenasteridae, Stenurida

Subtaxa: Lysophiurina, Zeugophiurina

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Ecology: slow-moving low-level epifaunal detritivore-suspension feeder