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Southwest Florida Shells with Emphasis on Sanibel & Captiva

By José H. Leal

Family Tornatinidae

Cylichnella bidentata

(d'Orbigny, 1841)

Two-tooth Barrel Bubble

Shell size to 4 mm; shell ovate-cylindrical. Spire completely sunken. Surface smooth. Columella with two folds. Aperture long, narrow. Outer lip flared anteriorly. Color white.