Asteroidea - Platyasterida - Palasteriscidae

Full reference: J. W. Branstrator. 1972. Lanthanaster cruciformis, a new Upper Ordovician sea star from Cincinnati, Ohio. Journal of Paleontology 46:66-69

Parent taxon: Palasteriscidae according to D. B. Blake and S. Rozhnov 2007

Sister taxa: Estoniaster, Foliaster, Jugiaster, Palasteriscinae, Palasteriscus, Phyrtosaster, Platanaster

Subtaxa: Lanthanaster cruciformis

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Type: Lanthanaster cruciformis

Ecology: slow-moving low-level epifaunal suspension feeder