Plagiostropha costata

{{Short description|Species of gastropod}}

{{Use dmy dates|date=May 2020}}

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| taxon =Plagiostropha costata

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| authority = (Wells, 1995) Wells, F.E. (1995) A revision of the drilliid genera Splendrillia and Plagiostropha (Gastropoda: Conoidea) from New Caledonia, with records from other areas. Mémoires du Muséum National d’Histoire Naturelle, Paris, série A, Zoologie, 167, 527–556.

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Plagiostropha costata is a species of sea snail, a marine gastropod mollusk in the family Drilliidae.{{WRMS species|434646|Plagiostropha costata (Wells, 1995)||2 November 2011}}