Amnicola spiralis (Guppy, 1864) accepted as Paludestrina spiralis (Guppy, 1864) (additional source)
Amphibulima felina Guppy, 1873 accepted as Omalonyx unguis (A. d'Orbigny, 1836) (additional source)
Ampullaria effusa (O. F. Müller, 1774) accepted as Pomacea glauca (Linnaeus, 1758) (additional source)
Ampullaria urceus (O. F. Müller, 1774) accepted as Pomacea urceus (O. F. Müller, 1774) (additional source)
Ancylus textilis Guppy, 1871 accepted as Gundlachia textilis (Guppy, 1871) (additional source)
Anodon leotaudi Guppy, 1866 accepted as Anodontites leotaudi (Guppy, 1866) (additional source)
Blandiella reclusa Guppy, 1871 accepted as Truncatella reclusa (Guppy, 1871) (additional source)
Bulimulus aureolus Guppy, 1866 accepted as Drymaeus aureolus (Guppy, 1866) accepted as Mesembrinus aureolus (Guppy, 1866) (additional source)
Bulimulus tenuissimus (A. Férussac, 1832) (additional source)
Bulimulus vincentinus (L. Pfeiffer, 1846) accepted as Drymaeus vincentinus (L. Pfeiffer, 1846) accepted as Mesembrinus vincentinus (L. Pfeiffer, 1846) (additional source)
Bulimus aurissciuri (Guppy, 1866) accepted as Plekocheilus aurissciuri Guppy, 1866 (additional source)
Bulimus oblongus (O. F. Müller, 1774) accepted as Megalobulimus oblongus (O. F. Müller, 1774) (additional source)
Bulimus pilosus (Guppy, 1871) accepted as Protoglyptus pilosus (Guppy, 1871) (basis of record)
Cionella lamellata (Potiez & Michaud, 1838) accepted as Leptinaria unilamellata (A. d'Orbigny, 1838) (additional source)
Cistula aripensis (Guppy, 1864) accepted as Adamsiella aripensis Guppy, 1864 accepted as Halotudora aripensis (Guppy, 1864) (additional source)
Cyclas incurva Guppy, 1872 accepted as Sphaerium incurvum (Guppy, 1872) (additional source)
Cyclas punctifera Guppy, 1867 accepted as Pisidium punctiferum (Guppy, 1867) (additional source)
Cyclotus grenadensis (Shuttleworth, 1857) accepted as Neocyclotus granadensis (Shuttleworth, 1857) (additional source)
Cyclotus translucidus (G. B. Sowerby I, 1843) accepted as Aperostoma translucidum (G. B. Sowerby I, 1843) (additional source)
Cylindrella trinitaria L. Pfeiffer, 1861 accepted as Brachypodella trinitaria (L. Pfeiffer, 1861) (additional source)
Diplommatina huttoni L. Pfeiffer, 1854 (additional source)
Glandina minutissima Guppy, 1868 accepted as Karolus consobrinus (A. d'Orbigny, 1841) (additional source)
Gundlachia crepidulina Guppy, 1872 (additional source)
Guppya vacans (Guppy, 1866) accepted as Guppya gundlachii gundlachii (L. Pfeiffer, 1840) (additional source)
Helicina barbata Guppy, 1864 accepted as Helicina dysoni L. Pfeiffer, 1849 (additional source)
Helicina ignicoma Guppy, 1868 accepted as Lucidella ignicoma (Guppy, 1868) (additional source)
Helicina lamellosa Guppy, 1867 accepted as Lucidella lirata (L. Pfeiffer, 1847) (additional source)
Helicina nemoralis Guppy, 1866 (additional source)
Helix bactricola Guppy, 1868 accepted as Radioconus bactricolus (Guppy, 1868) accepted as Radiodiscus bactricolus (Guppy, 1868) (additional source)
Helix caeca Guppy, 1868 accepted as Pupisoma dioscoricola (C. B. Adams, 1845) (additional source)
Helix coactiliata Deshayes, 1839 accepted as Averellia coactiliata (Deshayes, 1839) (basis of record)
Helix ierensis Guppy, 1868 accepted as Thysanophora plagioptycha (Shuttleworth, 1854) accepted as Lyroconus plagioptycha (Shuttleworth, 1854) (additional source)
Hyalina alicea Guppy, 1871 accepted as Systrophiella alicea (Guppy, 1871) (additional source)
Marisa cornuarietis (Linnaeus, 1758) (additional source)
Melampus coffea (Linnaeus, 1758) (additional source)
Melampus pusillus (Gmelin, 1791) accepted as Tralia pusilla (Gmelin, 1791) accepted as Tralia ovula (Bruguière, 1789) (additional source)
Orthalicus undatus (Bruguière, 1789) (additional source)
Pedipes mirabilis (Megerle von Mühlfeld, 1816) (additional source)
Physa rivalis (Maton & Rackett, 1807) accepted as Physella acuta (Draparnaud, 1805) (additional source)
Planorbis meniscus Guppy, 1871 (additional source)
Planorbis terverianus A. d'Orbigny, 1841 accepted as Biomphalaria havanensis (L. Pfeiffer, 1839) (additional source)
Pupa (Vertigo) eyriesii Drouët, 1859 accepted as Vertigo eyriesii (Drouët, 1859) (basis of record)
Pupa auriformis Guppy, 1868 accepted as Gastrocopta barbadensis (L. Pfeiffer, 1853) (additional source)
Pupa bicolor T. Hutton, 1834 accepted as Gulella bicolor (T. Hutton, 1834) (additional source)
Pupa uvulifera Guppy, 1868 accepted as Gastrocopta barbadensis (L. Pfeiffer, 1853) (additional source)
Simpulopsis corrugata Guppy, 1866 (additional source)
Siphonaria lineata[sic] accepted as Siphonaria lineolata A. d'Orbigny, 1842 accepted as Siphonaria naufragum Stearns, 1872 (basis of record)
Spiraxis simplex Guppy, 1868 accepted as Leptopeas simplex (Guppy, 1868) (additional source)
Stenogyra caracasensis [sic] accepted as Stenogyra caraccasensis (Reeve, 1849) accepted as Beckianum beckianum (L. Pfeiffer, 1846) (additional source)
Stenogyra coronata Guppy, 1868 (additional source)
Stenogyra octona (Bruguière, 1789) accepted as Subulina octona (Bruguière, 1789) (basis of record)
Stenogyra plicatella Guppy, 1868 accepted as Obeliscus plicatellum (Guppy, 1868) (additional source)
Streptaxis deformis A. Férussac, 1821 accepted as Streptartemon deformis (A. Férussac, 1821) (additional source)
Succinea approximans Shuttleworth, 1854 (additional source)
Truncatella pulchella L. Pfeiffer, 1839 (additional source)
Veronicella laevis Blainville, 1817 accepted as Leidyula sloanii (Cuvier, 1816) (additional source)
Zonites guildingi (Bland, 1865) accepted as Happiella guildingi (Bland, 1865) (additional source)
Zonites implicans Guppy, 1868 accepted as Miradiscops implicans (Guppy, 1868) (additional source)
Zonites umbratilis Guppy, 1868 accepted as Pseudohyalina umbratilis (Guppy, 1868) (additional source)