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Southwest Florida Shells with Emphasis on Sanibel & Captiva

By José H. Leal

Family Cerithiidae

Cerithium muscarum

Say, 1832

Fly Speck Cerith

Shell size to 25 mm; shell with sharp apex and nine to ten whorls. Nine to 11 nodulose axial ribs per whorl, crossed by spiral lines. Color light-tan to slate to light-brown covered with small brown specks that form spiral rows