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