Holectypus is an extinct genus of sea urchin. It lived from the Jurassic to the Cretaceous.[1] Fossils have been found all around the world.[2]
| Holectypus | |
|---|---|
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Echinodermata |
| Class: | Echinoidea |
| Order: | Holectypoida |
| Family: | †Holectypidae |
| Genus: | †Holectypus Desor, 1842 |
References
edit- ^ Clark, William Bullock; Clark, William Bullock; Twitchell, M. W. (1915). The Mesozoic and Cenozoic Echinodermata of the United States. Washington: Govt. print. off.
- ^ Holectypus in the Paleobiology Database
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