Hemiaster wetherbyi de Loriol 1887 (heart urchin)

Echinoidea - Spatangoida - Hemiasteridae

Synonyms: Hemiaster benhurensis Stephenson 1941, Hemiaster bexari Clark and Twitchell 1915, Hemiaster lacunosus Slocom 1909

Belongs to Hemiaster according to C. W. Cooke 1953

See also Clark and Twitchell 1915

Sister taxa: Hemiaster (Bolbaster), Hemiaster (Gregoryaster), Hemiaster (Hemiaster), Hemiaster (Holanthus), Hemiaster (Integraster), Hemiaster (Leymeriaster), Hemiaster (Trachyaster), Hemiaster aequisgranensis, Hemiaster alamedensis, Hemiaster amelianus, Hemiaster antillensis, Hemiaster arcolensis, Hemiaster arcticus, Hemiaster atavus, Hemiaster beecheri, Hemiaster bufo, Hemiaster californicus, Hemiaster calvini, Hemiaster cholamensis, Hemiaster comanchei, Hemiaster delawarensis, Hemiaster dewalquei, Hemiaster elegans, Hemiaster globulosus, Hemiaster gonzalezmunozi, Hemiaster hattaensis, Hemiaster humphreysanus, Hemiaster kuemmeli, Hemiaster moscovensis, Hemiaster orbignyi, Hemiaster oregonensis, Hemiaster parastatus, Hemiaster paronai, Hemiaster proclivus, Hemiaster regulusanus, Hemiaster sabinal, Hemiaster scutiger, Hemiaster sibiricus, Hemiaster stella, Hemiaster texanus, Hemiaster ungula, Hemiaster welleri, Hemiaster zululandensis

Ecology: slow-moving shallow infaunal deposit feeder-detritivore

Distribution:

• Cretaceous of Mexico (1 collection), United States (53: Alabama, Arkansas, Mississippi, Tennessee, Texas)

Total: 54 collections each including a single occurrence

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