Last Updated
：2025/11/27
spatangoid
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（ plural ）
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(zoology) Any echinoderm of the order Spatangoida, of heart urchins.
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spatangoid
A spatangoid buried itself in the soft sediment, its spines barely visible as it filtered detritus.
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A spatangoid buried itself in the soft sediment, its spines barely visible as it filtered detritus.
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