Amnicola greenensis F. C. Baker, 1928 accepted as Marstonia lustrica (Pilsbry, 1890) (original description)
Amnicola limosa var. superiorensis F. C. Baker, 1928 accepted as Amnicola limosus (Say, 1817) (original description)
Amnicola lustrica var. decepta F. C. Baker, 1928 accepted as Marstonia lustrica (Pilsbry, 1890) (original description)
Amnicola lustrica var. perlustrica F. C. Baker, 1928 accepted as Marstonia lustrica (Pilsbry, 1890) (original description)
Amnicola precursor F. C. Baker, 1928 accepted as Lyogyrus walkeri (Pilsbry, 1898) (original description)
Amnicola walkeri var. foxensis F. C. Baker, 1928 accepted as Lyogyrus walkeri (Pilsbry, 1898) (original description)
Bulimus tentaculatus var. magnalacustris F. C. Baker, 1928 accepted as Bithynia tentaculata (Linnaeus, 1758) (original description)
Campeloma brevispirum F. C. Baker, 1928 accepted as Campeloma decisum (Say, 1817) (original description)
Cincinnatia emarginata var. canadensis F. C. Baker, 1928 accepted as Probythinella emarginata (Küster, 1852) (original description)
Cincinnatia emarginata var. lacustris F. C. Baker, 1928 accepted as Probythinella emarginata (Küster, 1852) (original description)
Fossaria sayi F. C. Baker, 1928 accepted as Galba humilis (Say, 1822) (original description)
Goniobasis livescens var. barronensis F. C. Baker, 1928 accepted as Elimia livescens (Menke, 1830) (original description)
Goniobasis livescens var. michiganensis F. C. Baker, 1928 accepted as Elimia livescens (Menke, 1830) (original description)
Helisoma (Helisoma) antrosa var. sayi F. C. Baker, 1928 accepted as Helisoma anceps (Menke, 1830) (original description)
Hinkleyia F. C. Baker, 1928 (original description)
Lioplax subcarinata var. wisconsinensis F. C. Baker, 1928 accepted as Lioplax sulculosa (Menke, 1828) (original description)
Physella bayfieldensis F. C. Baker, 1928 accepted as Physella gyrina (Say, 1821) (original description)
Physella chetekensis F. C. Baker, 1928 accepted as Physella gyrina (Say, 1821) (original description)
Physella laphami F. C. Baker, 1928 (original description)
Physella latchfordi F. C. Baker, 1928 (original description)
Physella obrussoides F. C. Baker, 1928 accepted as Physella gyrina (Say, 1821) (original description)
Potamopyrgidae F. C. Baker, 1928 accepted as Tateidae Thiele, 1925 (original description)
Stagnicola (Nasonia) F. C. Baker, 1928 accepted as Galba (Bakerilymnaea) Weyrauch, 1964 represented as Galba Schrank, 1803 (original description)
Valvata bicarinata I. Lea, 1841 (additional source)
Valvata bicarinata normalis B. Walker, 1902 accepted as Valvata bicarinata I. Lea, 1841 (additional source)
Valvata bicarinata perdepressa B. Walker, 1906 accepted as Valvata perdepressa B. Walker, 1906 (basis of record)
Valvata lewisi Currier, 1868 (additional source)
Valvata lewisi var. helicoidea Dall, 1905 accepted as Valvata helicoidea Dall, 1905 (additional source)
Valvata sincera Say, 1824 (additional source)
Valvata sincera nylanderi Dall, 1905 (additional source)
Valvata sincera var. danielsi B. Walker, 1906 accepted as Valvata sincera Say, 1824 (additional source)
Valvata tricarinata (Say, 1817) (additional source)
Valvata tricarinata perconfusa B. Walker, 1917 accepted as Valvata tricarinata (Say, 1817) (additional source)
Valvata tricarinata unicarinata DeKay, 1843 accepted as Valvata tricarinata (Say, 1817) (basis of record)
Valvata tricarinata var. basalis Vanatta, 1915 accepted as Valvata tricarinata (Say, 1817) (additional source)
Valvata tricarinata var. infracarinata Vanatta, 1915 accepted as Valvata tricarinata (Say, 1817) (additional source)
Valvata tricarinata var. mediocarinata F. C. Baker, 1928 accepted as Valvata tricarinata (Say, 1817) (original description)
Valvata tricarinata var. mediocarinta F. C. Baker, 1928 accepted as Valvata tricarinata (Say, 1817) (original description)
Valvata tricarinata var. simplex A. Gould, 1841 accepted as Valvata tricarinata (Say, 1817) (additional source)
Valvata winnebagoensis F. C. Baker, 1928 (original description)
Viviparus intertextus var. illinoisensis F. C. Baker, 1928 accepted as Callinina intertexta (Say, 1829) (original description)