Ophiuroidea

Full reference: W. K. Spencer. 1934. A monograph of the British Palaeozoic Asterozoa. Monograph of the Palaeontographical Society 1933(9):437-494

Parent taxon: Ophiuroidea according to W. K. Spencer 1934

Sister taxa: Ataxaster, Calclyra, Calclyridae, Calyptactis, Encrinasteridae, Eophiuridae, Euryalida, Euzonosomatidae, Hallasteridae, Klasmuridae, Lumectaster, Myophiuroida, Oegophiurida, Oegophiuridea, Oegophiuroida, Ophiaulaxoides, Ophioflabellum, Ophioma, Ophiotrigonum, Ophiurella, Ophiurida, Ophiuridea, Phrynophiurida, Stenasteridae, Stenurida

Subtaxa: Hexuraster, Vandelooaster

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Type: Cheiropteraster

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