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Southwest Florida Shells with Emphasis on Sanibel & Captiva

José H. Leal

Family Ellobiidae

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Melampus bidentatus

Say, 1822

Eastern Melampus

Shell size to 13 mm; shell ovate-conical, thin, bullet-shaped, widest at posterior (upper) third. Spire low. Aperture about ¾ of shell length. Columella with two folds. Outer lip with 1-4 denticles. Color brown or grayish-brown, with 3-5 darker brown bands. Animal reddish-brown. Lives on marshy areas/mud flats. Shell collected by Sanibel School student Claire Minoui. The secondary picture shows a less common local variation with smaller number of narrower brown stripes.

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