Common sea urchin
- kingdom: Animalia
- phylum: Echinodermata
- class: Echinoidea
- order: Camarodonta
- family: Parechinidae
- genus: Paracentrotus
- species: Paracentrotus lividus
- Lagos
Faro
Portugal- Al Marsá
- Carthage
- Sidi Bou Saïd
Tūnis
Tunisia- Monterey
- Pacific Grove
California
United States