Schizaster (Paraster) Pomel 1869 (heart urchin)

Echinoidea - Spatangoida - Schizasteridae

Alternative spelling: Paraster

Synonyms: Prymnaster Koehler 1914, Rotundaster Lambert and Thiery 1925

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: Schizaster according to R. A. Henderson 1975

See also Fischer 1966 and Sepkoski 2002

Sister taxa: Schizaster (Ova), Schizaster (Schizaster), Schizaster bathypetalus, Schizaster brachypetalus, Schizaster compactus, Schizaster costaricensis, Schizaster cristatus, Schizaster cubensis, Schizaster diabloensis, Schizaster doederleini, Schizaster dumblei, Schizaster egozcuei, Schizaster panamensis, Schizaster stalderi, Schizaster studeri

Subtaxa: Paraster armiger Paraster delgadoi Paraster pinarensis Schizaster (Paraster) exoletus

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Ecology: slow-moving shallow infaunal deposit feeder-detritivore


• Quaternary of Saudi Arabia (1 collection)

• Pliocene of Fiji (1)

• Oligocene of United States (9: Alabama, Georgia, Mississippi)

• Eocene of Cuba (1), Mexico (1), New Zealand (6), Panama (2), United States (10: Alabama, Georgia, Louisiana, Mississippi, North Carolina)

Total: 31 collections including 32 occurrences

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