Asteroidea - Pustulosida

Full reference: S. A. Miller. 1889. North American geology and palaeontology for the use of amateurs, students and scientists 1-664

Parent taxon: Pustulosida according to D. B. Blake 1989

Sister taxa: Bimarginalina, Mesopalaeasterinae, Palaeasteraceae, Petrasteridae, Promopalaeasteraceae, Schuchertiidae, Xenasteridae

Subtaxa: Argaster, Australaster, Gordonaster, Palaeaster

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Type: Palaeaster

Ecology: slow-moving low-level epifaunal carnivore