| Paracentrotus lividus | 
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| Scientific classification | 
| Domain: | Eukaryota | 
 
| Kingdom: | Animalia | 
 
| Phylum: | Echinodermata | 
 
| Class: | Echinoidea | 
 
| Order: | Camarodonta | 
 
| Family: | Parechinidae | 
 
| Genus: | Paracentrotus | 
| Species: | P. lividus | 
| Binomial name | 
| Paracentrotus lividus 
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| Synonyms | 
| Echinus (Toxopneustes) lividus (Lamarck, 1816)Echinus lithophagus Leach, in Tilloch, 1812Echinus lividus (Lamarck, 1816)Echinus purpureus Risso, 1826Echinus vulgaris Blainville, 1825Euryechinus lividus (Lamarck, 1816)Microcordyla asteriae Zirpolo, 1927Microcordyla asteriae Pascale la Cascia, 1930Paracentrotus (Strongylocentrotus) lividus (Lamarck, 1816)Strongylocentrotus lividus (Lamarck, 1816)Toxocidaris livida (Lamarck, 1816)Toxopneustes complanatus L. Agassiz & Desor, 1846Toxopneustes concavus L. Agassiz & Desor, 1846Toxopneustes lividus (Lamarck, 1816)
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Paracentrotus lividus is a species of sea urchin in the family Parechinidae commonly known as the purple sea urchin. It is the type species of the genus and occurs in the Mediterranean Sea and eastern Atlantic Ocean.