Hemiaster parastatus Morton 1833 (heart urchin)

Echinoidea - Spatangoida - Hemiasteridae

Alternative combination: Spatangus parastatus

Belongs to Hemiaster according to C. W. Cooke 1959

See also Clark and Twitchell 1915 and Cooke 1942

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 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 oregonensis, Hemiaster paronai, Hemiaster proclivus, Hemiaster sabinal, Hemiaster sibiricus, Hemiaster stella, Hemiaster texanus, Hemiaster ungula, Hemiaster welleri, Hemiaster wetherbyi

Type specimen: ANSP 1487, a test. Its type locality is Timber Creek - Vincentown Fm, which is in a Danian coastal sandstone in the Vincentown Formation of New Jersey.

Ecology: slow-moving shallow infaunal deposit feeder-detritivore

Distribution:

• Paleocene of United States (3: New Jersey collections)

Total: 3 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.


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