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Contributor
McPeak, Ronald H.
Remove constraint Contributor: McPeak, Ronald H.
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
Format
Still Image
Remove constraint Format: Still Image
Date
1980 to 1984
Remove constraint Date: <span class='from'>1980</span> to <span class='to'>1984</span>