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Southwest Florida Shells with Emphasis on Sanibel & Captiva

By José H. Leal

Family Naticidae

Tectonatica pusilla

(Say, 1822)

Miniature Moon Snail

Shell size to 8 mm; shell globose. Spire low. Body whorl encompassing most of shell. Surface glossy with faint growth lines. Periostracum brown, very thin. Umbilicus chink-like or completely covered by callus. Color light tan with irregular reddish-brown markings. Do not confuse with juvenile Polinices duplicatus.