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Southwest Florida Shells with Emphasis on Sanibel & Captiva

By José H. Leal

Family Caecidae

Caecum antillarum

Carpenter, 1858

Antillean Caecum

Shell size to 3.5 mm; shell tubular, sometimes increasing in diameter toward aperture. Shell smooth, lacking longitudinal microsculpture, glossy in well-preserved specimens. Aperture sometimes curved dorsally. Apical plug (septum) hemispheric, mucro blunt when present. The main image shows a shell collected in 1998 by Lois Dunnam at Gulfside City Park on Sanibel. The secondary illustration is a scanning electron microscope (SEM) image.