Amnicola candeana (A. d'Orbigny, 1842) accepted as Paludestrina candeana A. d'Orbigny, 1842 accepted as Pyrgophorus parvulus (Guilding, 1828) (basis of record)
Ampullaria cornuarietis (Linnaeus, 1758) accepted as Marisa cornuarietis (Linnaeus, 1758) (basis of record)
Ampullaria effusa (O. F. Müller, 1774) accepted as Pomacea glauca (Linnaeus, 1758) (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)
Autonoe riparia Guppy, 1868 accepted as Ellobium dominicense (A. Férussac, 1821) (source of synonymy)
Bulimulus aureolus Guppy, 1866 accepted as Drymaeus aureolus (Guppy, 1866) accepted as Mesembrinus aureolus (Guppy, 1866) (additional source)
Bulimulus aureolus var. albescens Guppy, 1873 accepted as Bulimulus aureolus Guppy, 1866 accepted as Drymaeus aureolus (Guppy, 1866) accepted as Mesembrinus aureolus (Guppy, 1866) (additional source)
Bulimulus aureolus var. fasciatus Guppy, 1873 accepted as Bulimulus aureolus Guppy, 1866 accepted as Drymaeus aureolus (Guppy, 1866) accepted as Mesembrinus aureolus (Guppy, 1866) (additional source)
Bulimulus aureolus var. imperfectus (Guppy, 1866) accepted as Drymaeus imperfectus (Guppy, 1866) accepted as Mesembrinus imperfectus (Guppy, 1866) (basis of record)
Bulimulus aureolus var. rawsoni Guppy, 1871 accepted as Mesembrinus rawsoni (Guppy, 1871) (additional source)
Bulimulus pilosus (Guppy, 1871) accepted as Protoglyptus pilosus (Guppy, 1871) (basis of record)
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 aulacostylus L. Pfeiffer, 1853 accepted as Plekocheilus aulacostylus (L. Pfeiffer, 1853) (additional source)
Bulimus glaber var. aurissciuri (Guppy, 1866) accepted as Plekocheilus aurissciuri Guppy, 1866 (basis of record)
Bulimus oblongus (O. F. Müller, 1774) accepted as Megalobulimus oblongus (O. F. Müller, 1774) (additional source)
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)
Cyclostoma citrinum G. B. Sowerby I, 1843 accepted as Tropidophora tricarinata var. citrina (G. B. Sowerby I, 1843) accepted as Tropidophora tricarinata (O. F. Müller, 1774) (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 var. occidentale Guppy, 1872 (additional source)
Ennea bicolor (T. Hutton, 1834) accepted as Gulella bicolor (T. Hutton, 1834) (additional source)
Geostilbia minutissima (Guppy, 1868) accepted as Karolus consobrinus (A. d'Orbigny, 1841) (basis of record)
Gundlachia crepidulina Guppy, 1872 (additional source)
Guppya livida (Guilding, 1828) (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)
Helicina rugosa L. Pfeiffer, 1839 accepted as Lucidella rugosa (L. Pfeiffer, 1839) (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) (additional source)
Helix ierensis Guppy, 1868 accepted as Thysanophora plagioptycha (Shuttleworth, 1854) accepted as Lyroconus plagioptycha (Shuttleworth, 1854) (additional source)
Helix orbiculata A. Férussac, 1822 accepted as Pleurodonte orbiculata (A. Férussac, 1822) (basis of record)
Macrocyclis alicea (Guppy, 1871) accepted as Systrophia alicea (Guppy, 1871) accepted as Happia alicea (Guppy, 1871) (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)
Neritina meleagris Lamarck, 1822 accepted as Vitta meleagris (Lamarck, 1822) (additional source)
Neritina microstoma (A. d'Orbigny, 1842) accepted as Neritina usnea (Röding, 1798) accepted as Vitta usnea (Röding, 1798) (additional source)
Neritina viridis (Linnaeus, 1758) accepted as Smaragdia viridis (Linnaeus, 1758) (additional source)
Omalonyx felinus (Guppy, 1872) accepted as Omalonyx unguis (A. d'Orbigny, 1836) (basis of record)
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 auriformis Guppy, 1868 accepted as Gastrocopta barbadensis (L. Pfeiffer, 1853) (additional source)
Pupa eyriesii Drouët, 1859 accepted as Vertigo eyriesii (Drouët, 1859) (additional source)
Pupa uvulifera Guppy, 1868 accepted as Gastrocopta barbadensis (L. Pfeiffer, 1853) (additional source)
Simpulopsis corrugata Guppy, 1866 (additional source)
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) (additional source)
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 candeana I. Lea, 1841 (additional source)
Taheitia reclusa (Guppy, 1871) accepted as Truncatella reclusa (Guppy, 1871) (additional source)
Truncatella bilabiata L. Pfeiffer, 1840 accepted as Truncatella pulchella L. Pfeiffer, 1839 (additional source)
Truncatella pulchella L. Pfeiffer, 1839 (additional source)
Truncatella subcylindrica (Linnaeus, 1767) (additional source)
Veronicella occidentalis (Guilding, 1824) accepted as Diplosolenodes occidentalis (Guilding, 1824) (basis of record)
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)