Geniculate river snail
(tree size 2)
Ornate rocksnail
Dutton's river snail
Helmet rocksnail
Armigerous river snail
Armored rocksnail
Jay's river snail
Rugose rocksnail
Elk river file snail
Warty rocksnail
Muddy rocksnail
(tree size 2)
Rugged river snail
Knobby rocksnail
Lithasia curta
Varicose rocksnail
Verrucose file snail
Lithasia hubrichti
Lithasia obovata
(tree size 1)
Shawnee rocksnail
Lithasia antiqua
Lithasia bubala
Lithasia florentiana
Lithasia fuliginosa
Lithasia pinguis
Lithasia plicata
Lithasia spicula