Pyrgostylus striatulus (Linnaeus, 1766)

Mediterranean. Ectoparasit in the infralittoral, down to the continental shelf. Original taxon: Turbo striatulus. 20m deep, Málaga, Andalucia, S. Spain. 14mm.

This species can bear some varices. 200m deep, off Almería, Andalucia. 7mm.

The shells of this genus are less slender than in Pyrgiscus Philippi. Their whorls are also much more convex. Protoconch of type A. Shallow water, Anse des Fossettes, Saint-Jean-Cap-Ferrat, Alpes-maritimes, SE. France. Height of the proto : 0,47mm.

50m deep, coral bottom, Scilla, Messina Strait, SW. Italy. 6mm.

12m deep, shell grit, Scilla. 5,5mm.

30m deep, Poetto, Cagliari, S. Sardinia. 11,5mm.

Same spot. Variant “pallida”. 12mm.

25m deep, in sediments, at the base of a rocky wall between Sapri and Acquafredda, S. Campania, SW. Italy. 4,5mm.

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