Crepidula moulinsii Michaud, 1829
Mediterranean.
Filter feeder in the shallow infralittoral; lives on rocks, stones and other shells. Synonym: Crepidula gibbosa. The septum covers the third of the aperture; inside brown. – 4m deep, on Bolma rugosa, Umag, Istria, N. Croatia. 8-17mm.
The species in A. L. G. Michaud: “Description de plusieurs espèces nouvelles de coquilles vivantes”, Bulletin d’Histoire Naturelle de la Société Linnéenne de Bordeaux vol. III, Bordeaux 1829, plate IX.
 
« Testâ ovali aut ovato-oblongâ, convexâ, scabrâ, sub epidermide castaneâ; apice recurvo, laterali, vix prominulo; aperturâ irregulari, labro acuto. […] Dedicated to Mr. Charles Des Moulins, President of the Linnean Society of Bordeaux, member of several learned societies. »
Juveniles from 12m deep, Vouliagmeni, Attikí, SE. Greece. 4,8-5mm. The shell is translucent, the underside is not yet brown.
A juvenile with some pattern on the dorsum.
25m deep, in sediments, at the base of a rocky wall between Sapri and Acquafredda, Campanian border, SW. Italy. 6,3mm.

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