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Calyptactis Spencer 1930 (brittle star)

Ophiuroidea

PaleoDB taxon number: 31378

Full reference: W. K. Spencer. 1930. A monograph of the British Palaeozoic Asteroidea. Monograph of the Palaeontographical Society, London 1828(8):389-436

Parent taxon: Ophiuroidea according to D. B. Blake and D. R. Elliott 2003

Sister taxa: Ataxaster, Calclyra, Calclyridae, Cheiropterasteridae, Encrinasteridae, Euryalida, Euzonosomatidae, Hallasteridae, Lumectaster, Maydena, Myophiuroida, Oegophiurida, Oegophiuridea, Oegophiuroida, Ophiaulaxoides, Ophioma, Ophiotrigonum, Ophiurella, Ophiurida, Ophiuridea, Phrynophiurida, Stenaster, Stenasteridae

Subtaxa: Calyptactis confragosus, Calyptactis perarmatus, Calyptactis spinosus

View classification

Type: Calyptactis spinosus

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