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Stenaster Billings 1858 (brittle star)


PaleoDB taxon number: 31521

Alternative spelling: Urasterella (Stenaster)

Synonym: Tetraster Nicholson and Etheridge, Jr. 1880 (taxon 104436)

Full reference: E. Billings. 1858. On the Asteridae of the Lower Silurian rocks of Canada. Figures and descriptions of Canadian organic remains. Geological Survey of Canada 3:75-85

Parent taxon: Ophiuroidea according to D. B. Blake 2013

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

Subtaxa: Stenaster confluens, Stenaster obtusus

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Ecology: low-level epifaunal suspension feeder-deposit feeder