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Southwest Florida Shells with Emphasis on Sanibel & Captiva

By José H. Leal

Family Pyramidellidae

Chrysallida sp.

Shell size to 3 mm; shell ovate-conical. Whorls with strongly angled shoulders. Last whorl comprising about ¾ of shell length. Base not set apart from last whorl. Sculpture of axial riblets and spiral threads that produce net-like pattern covering entire shell surface. Color translucent-white. Not common but found on Sanibel.