Echinolittorina angustior (Mørch, 1876) Slender Periwinkle

Nodilittorina angustior (Mørch, 1876) Slender Periwinkle

Melanistic Variety - On edge of tidepool, near high-water, Harry Harris Co. Park, Tavernier, Monroe Co., FL (8 mm.) | Phil Poland photograph

Echinolittorina angustior (Mørch, 1876) Slender Periwinkle

    On seawall, West Summerland Key, Monroe Co., Florida Keys ( 11 mm.) | Marlo Krisberg photograph