Albertanella minuta L. S. Russell, 1931 † (basis of record)
Discus mackenziei L. S. Russell, 1955 † (basis of record)
Elliptio salissiensis L. S. Russell, 1952 † (basis of record)
Ferrissia circus Pierce, 2014 † (original description)
Ladislavella meekiana (Meek, 1876) † (basis of record)
Obeliscus scalplockensis Pierce, 2014 † (original description)
Omalodiscus cirrus (C. A. White, 1879) † (basis of record)
Omalodiscus spira Pierce, 2014 † (original description)
Physella bridgerensis (Meek, 1873) † (basis of record)
Physella olive Pierce, 2014 † (original description)
Physella pleromatis (C. A. White, 1877) † (basis of record)
Pisidium triangulatum Pierce, 2014 † (original description)
Pupilla hebes sinistra Pierce, 2014 † (original description)
Rhodacmea crepida Pierce, 2014 † (original description)
Sphaerium lentum Pierce, 2014 † (original description)
Tozerpina elsae Pierce, 2014 † (original description)
Valvata procera (L. S. Russell, 1952) † (basis of record)
Vertigo arenula (C. A. White, 1876) † (basis of record)