Birgella subglobosa (Say, 1825) | 
Clappia cahabaensis Clench, 1965 | 
Colligyrus convexus Hershler, Frest, Liu & Johannes, 2003 | 
Fluminicola ahjumawi Hershler, Liu, Frest & Johannes, 2007 | 
Fluminicola anserinus Hershler, Liu, Frest & Johannes, 2007 | 
Fluminicola caballensis Hershler, Liu, Frest & Johannes, 2007 | 
Fluminicola cf. multifarius Hershler, Liu, Frest & Johannes, 2007 | 
Fluminicola dalli (Call, 1884) |
Fluminicola erosus Hershler, Liu, Frest & Johannes, 2007 | 
Fluminicola favillaceus Hershler, Liu, Frest & Johannes, 2007 | 
Fluminicola fremonti Hershler, Liu, Frest & Johannes, 2007 | 
Fluminicola fuscus (Halderman, 1841) | 
Fluminicola lunsfordensis Hershler, Liu, Frest & Johannes, 2007 | 
Fluminicola multifarius Hershler, Liu, Frest & Johannes, 2007 | 
Fluminicola neritoides Hershler, 2005 | 
Fluminicola neritoides Hershler, Liu, Frest & Johannes, 2007 |
Fluminicola potemicus Hershler, Liu, Frest & Johannes, 2007 | 
Fluminicola seminalis (Hinds, 1842) | 
Fluminicola turbiniformis (Tryon, 1865) | 
Fluminicola umbilicatus Hershler, Liu, Frest & Johannes, 2007 | 
Fluminicola warnerensis Hershler, Liu, Frest & Johannes, 2007 | 
Hydrobia protea (Gould, 1855) | 
Lyogyrus pilsbryi (Walker, 1906) | 
Marstonia arga Thompson, 1977 |
Marstonia lustrica (Pilsbry, 1890) | 
Marstonia olivacea (Dall, 1885) | 
Marstonia scalariformis (Wolf, 1870) | 
Notogillia wetherbyi (Dall, 1885) | 
Pseudotryonia grahamae Thompson, 2001 | 
Pyrgulopsis archimedis Berry, 1947 | 
Pyrgulopsis cinerama Hershler, Frest, Liu & Johannes, 2003 | 
Pyrgulopsis eremica Hershler, 1995 |
Pyrgulopsis falciglans Hershler, Frest, Liu & Johannes, 2003 | 
Pyrgulopsis lasseni Hershler, Frest, Liu & Johannes, 2003 | 
Pyrgulopsis nevadensis (Stearns, 1883) | 
Pyrgulopsis robusta (Walker, 1908) | 
Pyrgulopsis rupinicola Hershler, Frest, Liu & Johannes, 2003 | 
Somatogyrus strengi Pilsbry & Walker, 1906 | 
Somatogyrus tryoni Pilsbry & Baker, 1927 | 
Stiobia nana Thompson & McCaleb, 1978 |
| | | | | | | | |
