Echinoidea - Spatangoida - Hemiasteridae

Full reference: A. Pomel. 1869. Revue des échinodermes et de leur classification pour servir d'introduction à l'étude des fossiles. Deyrolle, Paris 1-67

Parent taxon: Hemiasteridae according to A. G. Fischer 1966

See also Sepkoski 2002

Sister taxa: Cheopsia, Crucibrissus, Distefanaster, Ditremaster, Eoagassizia, Hemiaster, Heterolampas, Holcopneustes, Isopetalum, Mecaster, Palhemiaster, Periaster, Psephoaster, Tripylaster, Vomeraster, Washitaster

Subtaxa: none

Ecology: slow-moving shallow infaunal deposit feeder-detritivore

Distribution: found only at Zekrit, Umm Bab (Eocene of Qatar)

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Specimen images are retrieved through the ePANDDA API.