Achatina octona (Bruguière, 1789) accepted as Subulina octona (Bruguière, 1789) (additional source)
Amnicola panamensis Tryon, 1863 accepted as Aroapyrgus panamensis (Tryon, 1863) (additional source)
Bulimus berendti L. Pfeiffer, 1861 accepted as Bulimulus coriaceus (L. Pfeiffer, 1857) (basis of record)
Bulimus castus L. Pfeiffer, 1847 accepted as Drymaeus castus (L. Pfeiffer, 1847) (additional source)
Bulimus costatostriatus L. Pfeiffer, 1857 accepted as Volutaxis costatostriatus (L. Pfeiffer, 1857) (additional source)
Bulimus discrepans (G. B. Sowerby I, 1833) accepted as Drymaeus discrepans (G. B. Sowerby I, 1833) accepted as Mesembrinus discrepans (G. B. Sowerby I, 1833) (basis of record)
Bulimus maculatus I. Lea, 1838 accepted as Drymaeus semimaculatus Pilsbry, 1898 accepted as Mesembrinus semimaculatus (Pilsbry, 1898) (additional source)
Bulimus mimosarum (A. d'Orbigny, 1835) (basis of record)
Bulimus parvus I. Lea, 1838 accepted as Drymaeus multilineatus (Say, 1825) accepted as Mesembrinus multilineatus (Say, 1825) (additional source)
Bulimus plicatellus (Guppy, 1868) accepted as Obeliscus plicatellum (Guppy, 1868) (basis of record)
Bulimus tryonianus Tate, 1870 accepted as Allopeas micra (A. d'Orbigny, 1835) (original description)
Bulimus unicolor (G. B. Sowerby I, 1833) accepted as Bulimulus unicolor (G. B. Sowerby I, 1833) (basis of record)
Bulimus zebra (O. F. Müller, 1774) accepted as Orthalicus zebra (O. F. Müller, 1774) (basis of record)
Cyclotus translucidus (G. B. Sowerby I, 1843) accepted as Aperostoma translucidum (G. B. Sowerby I, 1843) (additional source)
Cyrena solida R. A. Philippi, 1846 accepted as Polymesoda fortis (Prime, 1861) (additional source)
Glandina dysoni (L. Pfeiffer, 1846) accepted as Streptostyla dysoni (L. Pfeiffer, 1846) (basis of record)
Glandina rosea (A. Férussac, 1821) accepted as Euglandina rosea (A. Férussac, 1821) (basis of record)
Guppya Tate, 1870 accepted as Guppya Mörch, 1867 (original description)
Guppya gundlachii (L. Pfeiffer, 1840) (additional source)
Helicina denticulata L. Pfeiffer, 1855 accepted as Helicina rostrata denticulata L. Pfeiffer, 1855 (additional source)
Helicina rostrata Morelet, 1849 (additional source)
Helicina semistriata G. B. Sowerby II, 1866 accepted as Lucidella lirata (L. Pfeiffer, 1847) (additional source)
Helicina turbinata L. Pfeiffer, 1848 (additional source)
Helix blakeana Tate, 1870 accepted as Chanomphalus tatei (Pilsbry, 1904) (original description)
Helix caecoides Tate, 1870 accepted as Lyroconus caecoides (Tate, 1870) (original description)
Helix griseola L. Pfeiffer, 1841 accepted as Praticolella griseola (L. Pfeiffer, 1841) (additional source)
Helix plicata Born, 1778 accepted as Labyrinthus plicatus (Born, 1778) (additional source)
Krynickia americana Tate, 1870 accepted as Deroceras laeve (O. F. Müller, 1774) (original description)
Melania gassiesii Reeve, 1860 accepted as Pachychilus gassiesii (Reeve, 1860) (additional source)
Mycetopus weddellii Hupé, 1857 accepted as Mycetopoda siliquosa (Spix, 1827) (additional source)
Neritina intermedia G. B. Sowerby I, 1833 accepted as Clypeolum latissimum (Broderip, 1833) (additional source)
Neritina listeri (L. Pfeiffer, 1840) accepted as Neritina virginea (Linnaeus, 1758) accepted as Vitta virginea (Linnaeus, 1758) (additional source)
Neritina virginea (Linnaeus, 1758) accepted as Vitta virginea (Linnaeus, 1758) (additional source)
Physa purpurostoma var. ventricosa Tate, 1870 (original description)
Physa squalida Morelet, 1851 accepted as Physella squalida (Morelet, 1851) (additional source)
Planorbis declivis Tate, 1870 (original description)
Planorbis fieldii Tryon, 1863 accepted as Biomphalaria fieldii (Tryon, 1863) (additional source)
Planorbis kermatoides A. d'Orbigny, 1835 accepted as Drepanotrema kermatoides (A. d'Orbigny, 1835) (additional source)
Planorbis tumidus L. Pfeiffer, 1839 (additional source)
Pomus pyrum (R. A. Philippi, 1851) accepted as Ampullaria pyrum R. A. Philippi, 1851 (basis of record)
Sphaerium meridionalis Prime, 1861 accepted as Eupera meridionalis (Prime, 1861) (additional source)
Succinea inflata I. Lea, 1841 accepted as Succinea campestris Say, 1817 (additional source)
Succinea recisa Morelet, 1851 (additional source)
Tebennophorus auratus Tate, 1870 accepted as Pallifera auratus (Tate, 1870) (original description)
Tornatellina hyalina Tate, 1870 accepted as Lamellaxis hyalinus (Tate, 1870) (original description)
Tornatellina interstriata Tate, 1870 accepted as Lamellaxis interstriatus (Tate, 1870) (original description)
Tryonia ornata (Morelet, 1851) (basis of record)
Unio gabbianus I. Lea, 1868 accepted as Arotonaias gabbianus (I. Lea, 1868) (additional source)
Unio rowellii I. Lea, 1859 accepted as Nephronaias rowellii (I. Lea, 1859) accepted as Popenaias tehuantepecensis (Crosse & P. Fischer, 1894) (additional source)
Vaginulus floridanus Leidy, 1851 accepted as Leidyula floridana (Leidy, 1851) (additional source)
Velletia excentrica (Morelet, 1851) accepted as Hebetancylus excentricus (Morelet, 1851) (basis of record)