Tectarius spinulosus

{{Short description|Species of gastropod}}

{{Use dmy dates|date=January 2023}}

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| image = Tectarius spinulosus 01.JPG

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| taxon = Tectarius spinulosus

| authority = (Philippi, 1847)

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Tectarius spinulosus is a species of sea snail, a marine gastropod mollusk in the family Littorinidae, the winkles or periwinkles.{{WRMS species|446941|Tectarius spinulosus (Philippi, 1847)|||Reid, David G. (2010). Tectarius spinulosus (Philippi, 1847). In: Bouchet, P.; Gofas, S.; Rosenberg, G. (2010) World Marine Mollusca database. Accessed through: World Register of Marine Species at http://www.marinespecies.eu/aphia.php?p=taxdetails&id=446941 on 6 June 2010}}