Genus: Strongylocentrotus

Systematics :

KingdomAnimals (Animalia)
Phylum Echinoderms (Echinodermata)
Klasse  Sea urchins (Echinoidea)
Order   Echinoida
Family    Strongylocentrotidae
Genus     Strongylocentrotus
Species      Drøbaksjøpiggsvin (Strongylocentrotus droebachiensis)