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, McNamara and Philip 1980, Parma and Casadío 2005, Sepkoski 2002 and Squires and Demetrion 1992

Sister taxa: Schizaster (Dipneustes), Schizaster (Ova), Schizaster (Schizaster), Schizaster alcaldei, Schizaster americana, Schizaster bathypetalus, Schizaster beckeri, Schizaster brachypetalus, Schizaster californicus, Schizaster camagueyensis, Schizaster cartagensis, Schizaster cojimarensis, Schizaster compactus, Schizaster cordiformis, Schizaster costaricensis, Schizaster cristatus, Schizaster cubensis, Schizaster cubitabellae, Schizaster delgadoi, Schizaster diabloensis, Schizaster doederleini, Schizaster dumblei, Schizaster egozcuei, Schizaster fernandezi, Schizaster floridanus, Schizaster formelli, Schizaster gerthi, Schizaster habanensis, Schizaster lecontei, Schizaster llagunoi, Schizaster martinezensis, Schizaster moronensis, Schizaster munozi, Schizaster neuvitasensis, Schizaster panamensis, Schizaster pastelilloensis, Schizaster rimosus, Schizaster rojasi, Schizaster salutis, Schizaster sanctamariae, Schizaster sandiegensis, Schizaster santanae, Schizaster schlosseri, Schizaster sierrai, Schizaster sphenoides, Schizaster stalderi, Schizaster studeri, Schizaster subcylindricus

Subtaxa: Paraster armiger Paraster delgadoi Paraster eustatii Paraster joannisboehmi Paraster pinarensis Schizaster (Paraster) carinatus Schizaster (Paraster) delorenzoi Schizaster (Paraster) exoletus Schizaster (Paraster) rougeriei Schizaster (Paraster) tatei

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Ecology: slow-moving shallow infaunal deposit feeder-detritivore

Distribution:

• Quaternary of the Netherlands Antilles (1 collection), Saudi Arabia (1)

• Pliocene of Fiji (1)

• Miocene of Micronesia (1)

• Oligocene of United States (1: Alabama)

• Eocene of Australia (1), Cote D'Ivoire (1), Cuba (1), Japan (1), Mexico (1), New Zealand (6), Panama (2), Qatar (3), United States (11: Alabama, Georgia, Louisiana, Mississippi, North Carolina)

• Paleocene of Argentina (3), Australia (1)

• Cretaceous of Argentina (1)

Total: 37 collections including 38 occurrences

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