| Species name | Common name | Distribution | Max. Length (cm) |
|---|---|---|---|
| Lyogyrus browni (Carpenter, 1872) |
Slender duskysnail | North America | |
| Lyogyrus granum (Say, 1822) |
Squat duskysnail | North America | |
| Lyogyrus greggi (Pilsbry, 1935) |
Rocky mountain duskysnail | North America | |
| Lyogyrus latus Thompson & Hershler, 1991 |
Cobble sprite | North America | |
| Lyogyrus pilsbryi (Walker, 1906) |
Lake duskysnail | East Pacific | |
| Lyogyrus pupoideus (Gould, 1841) |
Pupa duskysnail | North America | |
| Lyogyrus retromargo (Thompson, 1968) |
Indented duskysnail | North America | |
| Lyogyrus walkeri (Pilsbry, 1898) |
Canadian duskysnail | East Pacific |