Ilyanassa obsoleta (Say, 1822) Eastern Mudsnail

Ilyanassa obsoleta (Say, 1822) Eastern Mudsnail

Big Talbot Island, Duval County, Florida (16-18 mm.)

Ilyanassa obsoleta (Say, 1822) Eastern Mudsnail

Ilyanassa obsoleta (Say, 1822) Eastern Mudsnail

Big Talbot Island, Duval County, Florida (about 10 mm.)