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| Cidaris Temporal range:
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|---|---|
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| Cidaris cidaris | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Echinodermata |
| Class: | Echinoidea |
| Order: | Cidaroida |
| Family: | Cidaridae |
| Subfamily: | Cidarinae |
| Genus: | Cidaris Leske, 1778 |
| Type species | |
| Echinus cidaris, | |
| Synonyms | |
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Dorocidaris Agassiz, 1869 | |
Cidaris is a genus of pencil sea urchins.
