Last Updated
：2025/11/28
Quizzes for review
(zoology) Any sea urchin in the family Arbaciidae.
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arbaciid
A lone arbaciid clung to the underside of the rock, its spines waving gently in the current.
See correct answer
A lone arbaciid clung to the underside of the rock, its spines waving gently in the current.
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