Genus:
Strongylocentrotus >
Family:
Strongylocentrotidae >
Superfamily:
Odontophora >
Infraorder:
Echinidea >
Order:
Camarodonta >
Subterclass:
Echinacea >
Infraclass:
Carinacea >
Subclass:
Euechinoidea >
Class:
Echinoidea >
Subphylum:
Echinozoa >
Phylum:
Echinodermata >
Kingdom:
Animalia >
Unranked:
Biota >