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  • José H. Leal

Shell of the Week: The Dall Turbonilla

Turbonilla dalliBush, 1899, reaches 9 mm (about 0.4 inches). The shell is slender, thin, glassy, and white. The whorls are convex, with about 10–20 slanted and curved axial ribs per whorl. The axial ribs are interrupted at base of body whorl. This is one among at least 20 species of the highly diverse microgastropod genus Turbonilla found on the beaches of SW Florida.

The Dall Turbonilla, Turbonilla dalli, from Sanibel, Florida. Illustration by James F. Kelly.


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