Amnicola sanctijohannis Pilsbry, 1899 accepted as Floridobia floridana (Frauenfeld, 1863) (additional source)
Ampullaria depressa Say, 1824 accepted as Pomacea paludosa (Say, 1829) (additional source)
Ancylus peninsulae Pilsbry & C. W. Johnson, 1896 accepted as Laevapex fuscus (C. B. Adams, 1840) (additional source)
Auricula pellucens Menke, 1828 accepted as Ellobium dominicense (A. Férussac, 1821) (additional source)
Bifidaria contracta (Say, 1822) accepted as Gastrocopta contracta (Say, 1822) (additional source)
Bifidaria pentodon (Say, 1822) accepted as Gastrocopta pentodon (Say, 1822) (basis of record)
Bifidaria rhoadsi Pilsbry, 1899 accepted as Sterkia eyriesii (Drouët, 1859) accepted as Vertigo eyriesii (Drouët, 1859) (additional source)
Bifidaria rupicola (Say, 1821) accepted as Gastrocopta rupicola (Say, 1821) (basis of record)
Bifidaria servilis (A. Gould, 1843) accepted as Gastrocopta servilis (A. Gould, 1843) (basis of record)
Carychium exiguum (Say, 1822) (additional source)
Cepolis varians (Menke, 1829) accepted as Hemitrochus varians (Menke, 1829) (basis of record)
Cerion incanum (Leidy, 1851) (additional source)
Chondropoma dentatum (Say, 1825) accepted as Parachondria dentata (Say, 1825) (basis of record)
Conulus chersinus (Say, 1821) accepted as Euconulus chersinus (Say, 1821) (additional source)
Cyrenoidea floridana Dall, 1896 accepted as Cyrenoida floridana (Dall, 1896) (additional source)
Drymaeus dominicus (Reeve, 1850) accepted as Mesembrinus dominicus (Reeve, 1850) (additional source)
Glandina truncata var. minor Pilsbry, 1899 accepted as Euglandina rosea (A. Férussac, 1821) (additional source)
Guppya gundlachii (L. Pfeiffer, 1840) (additional source)
Helicina orbiculata (Say, 1818) (basis of record)
Liguus fasciatus (O. F. Müller, 1774) (additional source)
Limnaea cubensis (L. Pfeiffer, 1839) accepted as Galba cubensis (L. Pfeiffer, 1839) (basis of record)
Macroceramus pontificus (A. Gould, 1848) accepted as Microceramus pontificus (A. Gould, 1848) (basis of record)
Melampus coffeus [sic] accepted as Melampus coffea (Linnaeus, 1758) (additional source)
Melampus floridanus L. Pfeiffer, 1856 (additional source)
Opeas gracillima (L. Pfeiffer, 1839) accepted as Melaniella gracillima (L. Pfeiffer, 1839) (basis of record)
Opeas octonoides (C. B. Adams, 1845) accepted as Allopeas micra (A. d'Orbigny, 1835) (basis of record)
Physa heterostropha peninsulae Rhoads, 1899 accepted as Haitia pomilia (Conrad, 1834) accepted as Physella pomilia (Conrad, 1834) (original description)
Physa heterostropha peninsulae Pilsbry, 1899 (additional source)
Pisidium abditum (Haldeman, 1841) accepted as Pisidium casertanum (Poli, 1791) accepted as Euglesa casertana (Poli, 1791) (additional source)
Planorbis cultratus A. d'Orbigny, 1841 accepted as Drepanotrema cultratum (A. d'Orbigny, 1841) (additional source)
Planorbis dilatatus A. Gould, 1841 accepted as Dilatata dilatata (A. Gould, 1841) accepted as Menetus dilatatus (A. Gould, 1841) (additional source)
Planorbis intercalaris Pilsbry, 1887 accepted as Planorbella duryi (Wetherby, 1879) (basis of record)
Planorbis parvus Say, 1817 accepted as Gyraulus parvus (Say, 1817) (additional source)
Planorbis scalaris (J. C. Jay, 1839) accepted as Planorbella scalaris (J. C. Jay, 1839) (basis of record)
Planorbis tumidus L. Pfeiffer, 1839 (basis of record)
Polygyra avara Say, 1818 accepted as Daedalochila avara (Say, 1818) (additional source)
Polygyra cereolus (Megerle von Mühlfeld, 1818) (additional source)
Polygyra cereolus carpenteriana (Bland, 1860) accepted as Polygyra cereolus (Megerle von Mühlfeld, 1818) (basis of record)
Polygyra jejuna (Say, 1821) accepted as Praticolella jejuna (Say, 1821) (basis of record)
Polygyra pustula (A. Férussac, 1832) accepted as Lobosculum pustula (A. Férussac, 1832) (basis of record)
Polygyra septemvolva Say, 1818 (additional source)
Polygyra uvulifera (Shuttleworth, 1852) accepted as Daedalochila uvulifera (Shuttleworth, 1852) (additional source)
Potamopyrgus coronatus (L. Pfeiffer, 1840) accepted as Pyrgophorus coronatus (L. Pfeiffer, 1840) (additional source)
Strobilops hubbardi var. stevensoni Pilsbry, 1899 accepted as Discostrobilops hubbardi (A. D. Brown, 1861) (additional source)
Strobilops labyrinthica (Say, 1817) accepted as Strobilops labyrinthicus (Say, 1817) (additional source)
Thysanophora dioscoricola caeca (Guppy, 1868) accepted as Pupisoma dioscoricola (C. B. Adams, 1845) (basis of record)
Thysanophora vortex (L. Pfeiffer, 1839) accepted as Lacteoluna selenina (A. Gould, 1848) (additional source)
Truncatella bilabiata L. Pfeiffer, 1840 accepted as Truncatella pulchella L. Pfeiffer, 1839 (additional source)
Truncatella caribaeensis Reeve, 1842 (additional source)
Unio paludicolus A. Gould, 1845 accepted as Uniomerus carolinianus (Bosc, 1801) (additional source)
Unio papyraceus A. Gould, 1845 accepted as Villosa amygdalum (I. Lea, 1843) (additional source)
Urocoptis poeyana (A. d'Orbigny, 1841) accepted as Cochlodinella poeyana (A. d'Orbigny, 1841) (basis of record)
Vaginulus floridanus Leidy, 1851 accepted as Leidyula floridana (Leidy, 1851) (additional source)
Vitrea indentata (Say, 1822) accepted as Glyphyalinia indentata (Say, 1822) (additional source)
Zonitoides arboreus (Say, 1817) (additional source)
Zonitoides dallianus (C. T. Simpson, 1889) accepted as Perpolita dalliana (Pilsbry, 1889) (basis of record)
Zonitoides minusculus alachuanus (Dall, 1885) accepted as Hawaiia alachuana (Dall, 1885) (basis of record)