Littoraria nebulosa (Lamarck, 1822) Cloudy Periwinkle In Situ

A lesser number of Littoraria angulifera (Lamarck, 1822) Mangrove Periwinkle are also present.

Kice Island, just south of Marco Island, Collier County, Florida 12/18/2013. Digital image by Amy Tripp.