Ophiuroidea - Stenasteridae

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: Stenasteridae according to J. Dean Shackleton 2005

Sister taxon: Stenaster

Subtaxa: Aulactis orthopeda

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Type: Aulactis orthopeda

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