Amnicola (Cincinnatia) cincinnatiensis (J. G. Anthony, 1840) accepted as Cincinnatia integra (Say, 1821) (basis of record)
Amnicola limosa [sic] accepted as Amnicola limosus (Say, 1817) (additional source)
Amnicola micrococcus Pilsbry, 1893 accepted as Pyrgulopsis micrococcus (Pilsbry, 1893) (additional source)
Bythinella seemani (Frauenfeld, 1863) accepted as Tryonia seemani (Frauenfeld, 1863) (basis of record)
Fluminicola columbiana Pilsbry, 1899 accepted as Fluminicola fuscus (Haldeman, 1841) (original description)
Fluminicola erythropoma Pilsbry, 1899 accepted as Pyrgulopsis erythropoma (Pilsbry, 1899) (original description)
Fluminicola merriami Pilsbry & Beecher, 1892 accepted as Pyrgulopsis merriami (Pilsbry & Beecher, 1892) (additional source)
Fluminicola nuttallianus (I. Lea, 1838) (additional source)
Fluminicola seminalis (Hinds, 1842) (additional source)
Fluminicola seminalis var. dalli (Call, 1884) accepted as Fluminicola dalli (Call, 1884) (basis of record)
Fluminicola virens (I. Lea, 1838) (additional source)
Paludestrina hemphilli (Pilsbry, 1890) accepted as Pristinicola hemphilli (Pilsbry, 1890) (basis of record)
Paludestrina imitator Pilsbry, 1899 accepted as Tryonia imitator (Pilsbry, 1899) (original description)
Paludestrina protea (A. Gould, 1855) accepted as Tryonia porrecta (Mighels, 1845) (basis of record)
Paludestrina stearnsiana Pilsbry, 1899 accepted as Pyrgulopsis stearnsiana (Pilsbry, 1899) (original description)
Pomatiopsis binneyi Tryon, 1863 (additional source)
Pomatiopsis californica Pilsbry, 1899 (original description)
Pyrgulopsis nevadensis (Stearns, 1883) (additional source)
Tryonia clathrata W. Stimpson, 1865 (additional source)