Asteroidea - Valvatida - Poraniidae

Full reference: C. Dons. 1939. Zoologiske Notizen. 34. Die Asteriden Gattung Sphaeriaster, nomen novum. Kongelige Norske Videnskabernes Selskabs Forhandlinger 11:37

Parent taxon: Poraniidae according to H Hess 1972

See also Dons 1939, Gale 2011 and Sepkoski 2002

Sister taxon: Noriaster

Subtaxa: Sphaeriaster jurassicus

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Ecology: slow-moving low-level epifaunal carnivore

Distribution: found only at Echinoderms, Oberer Hauptrogenstein, Late Bajocian, Schinznach, Aargau (Jurassic of Switzerland)

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Specimen images are retrieved through the ePANDDA API.