Holasteridae
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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 |