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Southwest Florida Shells with Emphasis on Sanibel & Captiva

By José H. Leal

Family Raphitomidae

Eucyclotoma stegeri

(McGinty, 1955)

Shell size to 13 mm; shell fusiform, thin-walled but strong. Whorls angled at periphery, shoulder straight. Sculpture of 8-12 axial ribs more prominent on periphery; spiral sculpture of alternating weaker and stronger cords. Stronger cord along periphery. Aperture elongate, less than ½ shell length, anterior canal broad. Color dirty-white with light-brown or grayish specks.