Phrontis polygonata (Lamarck, 1822) Black-spot Nassa

Phrontis polygonata (Lamarck, 1822) Black-spot Nassa

In mud, Big Talbot Island, Duval, County, Florida (17 mm.)

Phrontis polygonata (Lamarck, 1822) Black-spot Nassa

Juvenile specimen - In mud, Big Talbot Island State Park, Duval, County, Florida (about 6 mm.)