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Southwest Florida Shells with Emphasis on Sanibel & Captiva

José H. Leal

Family Semelidae

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Abra aequalis

(Say, 1822)

Atlantic Abra

Shell size to 7 mm; shell small, orbicular, delicate, inflated. Surface smooth. Sculpture consisting only of fine grooves on anterior margin of right valve. Umbones pointed, small. Ligament internal. Color dull white.

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