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Southwest Florida Shells with Emphasis on Sanibel & Captiva

By José H. Leal

Family Semelidae

Semele proficua

(Pulteney, 1799)

Atlantic Semele

Shell size to 40 mm; shell compressed, thin, orbicular. Sculpture of fine growth lines crosser by finer radial lines. Umbones almost central, pointing forward. Lunule small. Color ivory-white, internally yellow with reddish-brown or mauve speckles.