Holasteridae is an extinct family of sea urchins.
These semi-infaunal detritivores lived during the Cretaceous period, from 140.2 to 53.0 Ma.
Genera Aurelianaster Basseaster Cardiaster Cardiotaxis Cibaster Duncaniaster Echinocorys Entomaster Galeaster Ganbirretia Garumnaster Guettaria Hagenowia Hemipneustes Holaster Infulaster Ismidaster Jeronia Lampadaster Lampadocorys Messaoudia Offaster Opisopneustes Paronaster Pseudananchys Pseudholaster Pseudoffaster Pseudoholaster Rispolia Scagliaster Stegaster Sternotaxis Taphraster Tholaster Titanaster Toxopatagus Zumoffenia
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