Southwest Florida Shells with Emphasis on Sanibel & Captiva
José H. Leal
Shell size to 4 mm; Shell elongate, fusiform, with rounded whorls and fairly deep suture. Sculpture of 12-14 curved ribs per whorl. Aperture with single tooth-like projection inside outer lip. Color yellowish white to translucent white. The first supplementary image is of a shell from the W. Brumbach Collection (scale units are millimeters).