Ilynanassa trivittata (Say, 1822) Threeline Mudsnail
Ilynanassa trivittata (Say, 1822) Threeline Mudsnail
Crabbed in muddy sand, Big Talbot Island, Duval Co., FL 10/14/2004 (about 11 mm.)
Ilynanassa trivittata (Say, 1822) (Juvenile) Threeline Mudsnail
Juvenile - Big Talbot Island, Duval Co., Florida (about 6 mm.)