Strongylocentrotus purpuratus Stimpson 1857

Family: Strongylocentrotidae

Order: Echinoida

Locality: Santa Rosa, Gulf of California, U.S.A., rocky tidal zone

Dimensions: 45 x 19 mm

Locality. unknown Dimensions: 44 x 21 mm
Remark: Specimen has up to 9 pore pairs