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Southwest Florida Shells with Emphasis on Sanibel & Captiva
José H. Leal
Family Mactridae
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Mactrotoma fragilis
(Gmelin, 1791)
Fragile Surf Clam
Shell size to 49 mm; shell thin but strong, oval, compressed. Posterior region with two ridges, beyond which shell gapes. Color white, with strong grayish-brown periostracum.
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