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Additional information:
Find purple-spined sea urchin information at
Encyclopedia of Life
purple-spined sea urchin
Arbacia punctulata
Kingdom
Animalia
animal kingdom
Animalia: pictures (7319)
Animalia: specimens (3017)
Animalia: sounds (165)
Animalia: maps (42)
Species
Arbacia punctulata
purple-spined sea urchin