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Southwest Florida Shells with Emphasis on Sanibel & Captiva

By José H. Leal

Family Zebinidae

Schwartziella catesbyana

(d'Orbigny, 1842)

Catesby Risso

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.