Cerithium alucastrum

{{Short description|Species of gastropod}}

{{Use dmy dates|date=March 2021}}

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| taxon = Cerithium alucastrum

| authority = (Brocchi, 1814)

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Cerithium alucastrum is a species of sea snail, a marine gastropod mollusk in the family Cerithiidae.{{WRMS species|139059|Cerithium alucastrum (Brocchi, 1814)||17 May 2010}}