Southwest Florida Shells with Emphasis on Sanibel & Captiva
José H. Leal
Shell size to 22 mm; shell ovate-conical, thin, light. Sculpture of faint growth lines. Aperture more than half length of shell, rounded at base. Columella with two folds. Periostracum thin, brown. Color white. Found mainly in mangrove areas, may wash up on Gulf beaches.