200 species These small marine animals live in sand under deep water. They have tubular shells, and feet adapted for burrowing and long, thin projections growing from the head which bear suckers used to seize food. |
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Tusk shells
200 species These small marine animals live in sand under deep water. They have tubular shells, and feet adapted for burrowing and long, thin projections growing from the head which bear suckers used to seize food. |
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