Schizaster Agassiz 1835 (heart urchin)

Echinoidea - Spatangoida - Schizasteridae

Synonyms: Aplospatangus Lambert 1907, Brachybrissus Pomel 1883

Parent taxon: Schizasteridae according to D. Frassinetti and V. Covacevich 1999

See also Durham 1961, Fischer 1966, Henderson 1975, Ragaini 1994 and Sepkoski 2002

Sister taxa: Abatus, Agassizia, Brisaster, Brisasterinae, Diploporaster, Faorina, Hemifaorina, Hemigymnia, Kina, Lambertona, Linthia, Moira, Opissaster, Parabrissus, Peribrissus, Prenaster, Proraster, Pseudobrissus, Schizopneustes, Tripylus

Subtaxa: Schizaster (Ova) Schizaster (Paraster) 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

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Type: Schizaster studeri

Ecology: slow-moving shallow infaunal deposit feeder-detritivore

Distribution:

• Quaternary of Saudi Arabia (1 collection)

• Pliocene of Cuba (1), the Dominican Republic (2), Fiji (1), Italy (2)

• Miocene of Algeria (1), Argentina (1), Australia (2), Austria (3), Brazil (1), Chile (4), Costa Rica (1), Egypt (1), India (2), Indonesia (3), Italy (12), Madagascar (2), Malta (2), Northern Mariana Islands (1), Panama (2)

• Oligocene to Miocene of Argentina (1)

• Oligocene of Antigua and Barbuda (1), Germany (1), India (1), Somalia (1), United States (13: Alabama, Florida, Georgia, Mississippi, Washington)

• Whaingaroan of New Zealand (1)

• Eocene to Oligocene of Argentina (2)

• Eocene of Argentina (1), Cuba (3), Egypt (6), Germany (1), Haiti (1), Libya (4), Mexico (8), New Zealand (8), Panama (2), Turkey (2), the United Kingdom (2), United States (15: Alabama, California, Florida, Georgia, Louisiana, Mississippi, North Carolina, Oregon)

• Paleocene of Argentina (2), Austria (1), United States (5: California)

Total: 127 collections including 143 occurrences

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Specimen images are retrieved through the ePANDDA API.


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