Echinoidea - Spatangoida - Hemiasteridae
Full reference: C. W. Cooke. 1953. American Upper Cretaceous Echinoidea. United States Geological Survey Professional Paper 254-A:1-44
Belongs to Hemiaster according to C. W. Cooke 1953
Sister taxa: Hemiaster (Bolbaster), Hemiaster (Gregoryaster), Hemiaster (Hemiaster), Hemiaster (Holanthus), Hemiaster (Integraster), Hemiaster (Leymeriaster), Hemiaster (Trachyaster), Hemiaster aequisgranensis, Hemiaster alamedensis, 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 wetherbyi, Hemiaster zululandensis
Type specimen: USNM 108408. Its type locality is Santa Amelia, which is in a Campanian marine horizon in Guatemala.
Ecology: slow-moving shallow infaunal deposit feeder-detritivore
Distribution: found only at Santa Amelia
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.