Lithasia geniculata Haldeman, 1840 Geniculate River Snail

Lithasia geniculata Haldeman, 1840 Geniculate River Snail

Duck River, Hardison Mill, Maury County, Tennessee 9/30/2019. Leg. Bob Winters.

Lithasia geniculata Haldeman, 1840 Geniculate River Snail

Duck River, Hardison Mill, Maury County, Tennessee, 9/23/2015 (25 mm.).  Leg. Bob Winters.