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Extinct family of sea urchins From Wikipedia, the free encyclopedia
Holasteridae is an extinct family of sea urchins.
| Holasteridae Temporal range: [1] | |
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| Fossil of Hemipleustus oculatus from Belgium, on display at Galerie de paléontologie et d'anatomie comparée in Paris | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Echinodermata |
| Class: | Echinoidea |
| Order: | Holasteroida |
| Suborder: | Meridosternata |
| Family: | †Holasteridae Pictet, 1857 |
These semi-infaunal detritivores lived during the Cretaceous period, from 140.2 to 53.0 Ma.[1]
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