Strongylocentrotus intermedius A. Agassiz 1863

Family: Strongylocentrotidae

Order: Echinoida

Locality: Tsugura Bay (The Tsugaru Strait), Kazamaura-mura, Shimokita-gun, Aomori, Japan, rocky zone, 5m

Dimensions: 69 mm Ø over spines

Japanese name: Ezo-bafun-uni