Schizaster Agassiz 1835 (heart urchin)

Echinoidea - Spatangoida - Schizasteridae

Synonyms: Aplospatangus Lambert 1907, Brachybrissus Pomel 1883, Schizaster (Aplospatangus) Lambert 1907

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

See also Clark and Twitchell 1915, Cooke 1942, Durham 1961, Fischer 1966, Grant and Hertlein 1938, Henderson 1975, Holmes 1860, Jackson 1937, Kier 1984, McNamara and Philip 1980, Ragaini 1994, Sepkoski 2002, Squires 1984, Squires 1987 and Turner 1938

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

Subtaxa: Schizaster (Dipneustes) Schizaster (Ova) Schizaster (Paraster) Schizaster (Schizaster) Schizaster alcaldei Schizaster americana Schizaster bathypetalus Schizaster beckeri Schizaster brachypetalus 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 rojasi Schizaster salutis Schizaster sanctamariae Schizaster sandiegensis Schizaster santanae Schizaster schlosseri Schizaster sierrai Schizaster sphenoides Schizaster stalderi Schizaster studeri Schizaster subcylindricus

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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), Japan (1), United States (1: California)

• Miocene of Algeria (1), Argentina (1), Australia (5), Austria (3), Brazil (1), Chile (4), Costa Rica (1), Egypt (1), India (2), Indonesia (3), Italy (12), Japan (2), Malta (2), Mexico (1), Micronesia (1), Northern Mariana Islands (1), Panama (2)

• Oligocene to Miocene of Argentina (1)

• Oligocene of Antigua and Barbuda (1), Australia (2), Germany (1), India (1), Mexico (1), Somalia (1), United States (14: Alabama, Florida, Georgia, Mississippi, Washington)

• Whaingaroan of New Zealand (1)

• Eocene to Oligocene of Argentina (2)

• Eocene of Argentina (1), Australia (1), Cuba (3), Egypt (6), Germany (1), Haiti (1), Japan (1), Libya (4), Mexico (8), New Zealand (8), Panama (2), Turkey (2), the United Kingdom (2), United States (25: Alabama, California, Florida, Georgia, Louisiana, Mississippi, North Carolina, Oregon, Virginia)

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

Total: 151 collections including 167 occurrences

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Specimen images are retrieved through the ePANDDA API.


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