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Topic
Red sea urchin
Remove constraint Topic: Red sea urchin
Topic
Sea urchins
Remove constraint Topic: Sea urchins
Topic
Strongylocentrotus franciscanus
Remove constraint Topic: Strongylocentrotus franciscanus
Topic
Strongylocentrotus purpuratus
Remove constraint Topic: Strongylocentrotus purpuratus
Place
Loma, Point (Calif.)
Remove constraint Place: Loma, Point (Calif.)
Date
1983
Remove constraint Date: <span class='single'>1983</span>