Rank Family | Superorder Atelostomata Order Holasteroida | |
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Similar Sea urchin, Holasteroida, Echinoderm, Echinocorys, Hemiasteridae | ||
Holasteridae is an extinct family of sea urchins.
These semi-infaunal detritivores lived during the Cretaceous period, from 140.2 to 53.0 Ma.
References
Holasteridae Wikipedia(Text) CC BY-SA