Echinoidea - Spatangoida - Hemiasteridae
Alternative spelling: Bolbaster
Full reference: A. Pomel. 1869. Revue des échinodermes et de leur classification pour servir d'introduction à l'étude des fossiles. Deyrolle, Paris 1-67
Parent taxon: Hemiaster according to K. J. McNamara 1987
See also Fischer 1966 and Pomel 1869
Sister taxa: 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 wetherbyi, Hemiaster zululandensis
Subtaxa: Hemiaster (Bolbaster) callidus Hemiaster (Bolbaster) dolosus Hemiaster (Bolbaster) planedeclivis Hemiaster (Bolbaster) prunella Hemiaster (Bolbaster) subidus Hemiaster (Bolbaster) verecundus
Type: Spatangus prunella
Ecology: slow-moving shallow infaunal deposit feeder-detritivore
Distribution:
• Miocene of Australia (5 collections)
• Oligocene of Australia (3)
• Eocene of Australia (1)
• Cretaceous to Paleogene of the Netherlands (4)
• Cretaceous of Belgium (2), France (2), the Netherlands (6), Spain (8)
Total: 31 collections each including a single occurrence