Circinaria vancouverensis var. chocolata Dall, 1905 accepted as
Haplotrema vancouverense (I. Lea, 1838) (original description)
Ladislavella atkaensis (Dall, 1884) accepted as
Dallirhytis atkaensis (Dall, 1884) (additional source)
Lymnaea (Galba) galbana Say, 1825 accepted as
Galba galbana (Say, 1825) (basis of record)
Lymnaea (Galba) galbana var. philadelphica I. Lea, 1841 accepted as
Galba humilis (Say, 1822) (basis of record)
Lymnaea (Pleurolimnaea) tenuicostata [sic] † accepted as
Pleurolimnaea tenuicosta (Meek & Hayden, 1856) † (basis of record)
Lymnaea (Radix) binneyi Tryon, 1865 accepted as
Galba binneyi (Tryon, 1865) (basis of record)
Lymnaea (Radix) mighelsi (W. G. Binney, 1865) accepted as
Ladislavella mighelsi (W. G. Binney, 1865) (basis of record)
Lymnaea (Radix) randolphi F. C. Baker, 1904 accepted as
Galba randolphi (F. C. Baker, 1904) (basis of record)
Lymnaea (Stagnicola) anticostiana Dall, 1905 accepted as
Catascopia elodes (Say, 1821) accepted as
Ladislavella elodes (Say, 1821) (original description)
Lymnaea (Stagnicola) bulimoides (I. Lea, 1841) accepted as
Galba bulimoides (I. Lea, 1841) (basis of record)
Lymnaea (Stagnicola) catascopium (Say, 1817) accepted as
Ladislavella catascopium (Say, 1817) (basis of record)
Lymnaea (Stagnicola) perpolita Dall, 1905 accepted as
Galba perpolita (Dall, 1905) (original description)
Lymnaea binneyi var. preblei Dall, 1905 accepted as
Ladislavella catascopium (Say, 1817) (original description)
Lymnaea caperata Say, 1829 accepted as
Hinkleyia caperata (Say, 1829) (basis of record)
Lymnaea catascopium Say, 1817 accepted as
Ladislavella catascopium (Say, 1817) (basis of record)
Lymnaea humilis (Say, 1822) accepted as
Galba humilis (Say, 1822) (basis of record)
Lymnaea palustris var. nuttalliana I. Lea, 1841 † accepted as
Ladislavella elodes (Say, 1821) (basis of record)
Lymnaea palustris var. rowelli Tryon, 1865 accepted as
Ladislavella elodes (Say, 1821) (basis of record)
Lymnaea petersi Dall, 1905 accepted as
Ladislavella atkaensis (Dall, 1884) accepted as
Dallirhytis atkaensis (Dall, 1884) (original description)
Lymnaea traski Tryon, 1863 accepted as
Ladislavella traskii (Tryon, 1863) (basis of record)
Onchidium (Arctonchis) Dall, 1905 accepted as
Onchidella J. E. Gray, 1850 (original description)
Oreohelix strigosa var. stantoni Dall, 1905 accepted as
Oreohelix strigosa cooperi (W. G. Binney, 1858) (original description)
Planorbis (Diplodiscus) Westerlund, 1897 accepted as
Anisus (Disculifer) C. R. Boettger, 1944 represented as
Anisus S. Studer, 1820 (subsequent type designation)
Planorbis (Menetus) exacuous var. megas Dall, 1905 accepted as
Promenetus exacuous (Say, 1821) (original description)
Planorbis (Paraspira) Dall, 1905 (original description)
Planorbis (Pierosoma) Dall, 1905 accepted as
Planorbella (Pierosoma) Dall, 1905 represented as
Planorbella Haldeman, 1843 (original description)
Planorbis (Planorbella) campanulatus var. rudentis Dall, 1905 accepted as
Planorbella campanulata (Say, 1821) (original description)
Planorbis (Torquis) Dall, 1905 accepted as
Gyraulus (Torquis) Dall, 1905 represented as
Gyraulus Charpentier, 1837 (original description)
Polygyra columbiana var. santacruzensis Dall, 1905 accepted as
Vespericola columbiana (I. Lea, 1838) accepted as
Vespericola columbianus (I. Lea, 1838) (original description)
Segmentina (Planorbula) christyi Dall, 1905 accepted as
Planorbula campestris (Dawson, 1875) (original description)
Succinea rusticana var. alaskana Dall, 1905 accepted as
Succinea rusticana A. Gould, 1846 (original description)
Valvata lewisi var. helicoidea Dall, 1905 accepted as
Valvata helicoidea Dall, 1905 (original description)
Valvata sincera var. nylanderi Dall, 1905 accepted as
Valvata sincera Say, 1824 (original description)
Vitrina alaskana Dall, 1905 accepted as
Vitrina pellucida (O. F. Müller, 1774) (original description)