Ampullaria (Marisa) cornuarietis (Linnaeus, 1758) accepted as Marisa cornuarietis (Linnaeus, 1758) (basis of record)
Ampullaria (Pomus) glauca (Linnaeus, 1758) accepted as Pomacea glauca (Linnaeus, 1758) (basis of record)
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)
Anodonta leotaudi (Guppy, 1866) accepted as Anodontites leotaudi (Guppy, 1866) (basis of record)
Bulimulus (Drymaeus) aureolus (Guppy, 1866) accepted as Drymaeus aureolus (Guppy, 1866) accepted as Mesembrinus aureolus (Guppy, 1866) (basis of record)
Bulimulus (Drymaeus) broadwayi E. A. Smith, 1896 accepted as Mesembrinus broadwayi (E. A. Smith, 1896) (original description)
Bulimulus (Drymaeus) mossi E. A. Smith, 1896 accepted as Mesembrinus mossi (E. A. Smith, 1896) (original description)
Bulimulus (Drymaeus) rawsoni Guppy, 1871 accepted as Drymaeus rawsoni (Guppy, 1871) accepted as Mesembrinus rawsoni (Guppy, 1871) (basis of record)
Bulimulus (Drymaeus) trinitarius E. A. Smith, 1896 accepted as Drymaeus imperfectus (Guppy, 1866) accepted as Mesembrinus imperfectus (Guppy, 1866) (original description)
Bulimulus (Drymaeus) vincentinus (L. Pfeiffer, 1846) accepted as Drymaeus vincentinus (L. Pfeiffer, 1846) accepted as Mesembrinus vincentinus (L. Pfeiffer, 1846) (basis of record)
Bulimulus (Leptomerus) fraterculus (Potiez & Michaud, 1838) accepted as Bulimulus fraterculus fraterculus (Potiez & Michaud, 1838) (basis of record)
Bulimulus (Leptomerus) pilosus (Guppy, 1871) accepted as Protoglyptus pilosus (Guppy, 1871) (basis of record)
Caecilioides minutissima (Guppy, 1868) accepted as Karolus consobrinus (A. d'Orbigny, 1841) (basis of record)
Cistula aripensis (Guppy, 1864) accepted as Adamsiella aripensis Guppy, 1864 accepted as Halotudora aripensis (Guppy, 1864) (additional source)
Cylindrella trinitaria L. Pfeiffer, 1861 accepted as Brachypodella trinitaria (L. Pfeiffer, 1861) (additional source)
Diplommatina occidentalis Godwin-Austen, 1886 accepted as Adelopoma occidentale (Godwin-Austen, 1886) (additional source)
Ennea (Huttonella) bicolor (T. Hutton, 1834) accepted as Gulella bicolor (T. Hutton, 1834) (additional source)
Epiphragmophora (Trichodiscina) coactiliata (Deshayes, 1838) accepted as Averellia coactiliata (Deshayes, 1839) (basis of record)
Gundlachia crepidulina Guppy, 1872 (additional source)
Guppya semenlini (S. Moricand, 1846) accepted as Habroconus semenlini (S. Moricand, 1846) (basis of record)
Helicina (Poenia) lirata L. Pfeiffer, 1847 accepted as Lucidella lirata (L. Pfeiffer, 1847) (basis of record)
Helicina barbata Guppy, 1864 accepted as Helicina dysoni L. Pfeiffer, 1849 (additional source)
Helicina dysoni L. Pfeiffer, 1849 (source of synonymy)
Helicina ignicoma Guppy, 1868 accepted as Lucidella ignicoma (Guppy, 1868) (additional source)
Helicina nemoralis Guppy, 1866 (additional source)
Helix caeca Guppy, 1868 accepted as Pupisoma dioscoricola (C. B. Adams, 1845) (source of synonymy)
Helix ierensis Guppy, 1868 accepted as Thysanophora plagioptycha (Shuttleworth, 1854) accepted as Lyroconus plagioptycha (Shuttleworth, 1854) (additional source)
Homalonyx felina (Guppy, 1872) accepted as Omalonyx unguis (A. d'Orbigny, 1836) (basis of record)
Leptinaria lamellata (Potiez & Michaud, 1838) accepted as Leptinaria unilamellata (A. d'Orbigny, 1838) (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)
Neocyclotus grenadensis (Shuttleworth, 1857) accepted as Neocyclotus granadensis (Shuttleworth, 1857) (basis of record)
Neocyclotus translucidus (G. B. Sowerby I, 1843) accepted as Aperostoma translucidum (G. B. Sowerby I, 1843) (basis of record)
Omphalina guildingi (Bland, 1865) accepted as Happiella guildingi (Bland, 1865) (basis of record)
Opeas beckiana (L. Pfeiffer, 1846) accepted as Beckianum beckianum (L. Pfeiffer, 1846) (basis of record)
Opeas micra (A. d'Orbigny, 1835) accepted as Allopeas micra (A. d'Orbigny, 1835) (additional source)
Opeas plicatella (Guppy, 1868) accepted as Obeliscus plicatellum (Guppy, 1868) (basis of record)
Orthalicus undatus (Bruguière, 1789) (additional source)
Paludestrina crystallina (L. Pfeiffer, 1840) accepted as Pyrgophorus parvulus (Guilding, 1828) (additional source)
Pedipes mirabilis (Megerle von Mühlfeld, 1816) (additional source)
Pisidium punctiferum (Guppy, 1867) (additional source)
Planorbis gundlachi Clessin, 1884 (basis of record)
Planorbis lucidus L. Pfeiffer, 1839 accepted as Drepanotrema lucidum (L. Pfeiffer, 1839) (additional source)
Planorbis meniscus Guppy, 1871 (additional source)
Plecochilus glaber (Gmelin, 1791) accepted as Plekocheilus glaber (Gmelin, 1791) (basis of record)
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)
Selenites alicea (Guppy, 1871) accepted as Systrophia alicea (Guppy, 1871) accepted as Happia alicea (Guppy, 1871) accepted as Systrophiella alicea (Guppy, 1871) (basis of record)
Simpulopsis corrugata Guppy, 1866 (additional source)
Simpulopsis rufovirens (S. Moricand, 1846) (additional source)
Sphaerium (Limosina) incurvum (Guppy, 1872) accepted as Sphaerium incurvum (Guppy, 1872) (basis of record)
Streptaxis deformis A. Férussac, 1821 accepted as Streptartemon deformis (A. Férussac, 1821) (additional source)
Strophocheilus (Borus) oblongus (O. F. Müller, 1774) accepted as Megalobulimus oblongus (O. F. Müller, 1774) (basis of record)
Subulina (Nothus) simplex (Guppy, 1868) accepted as Leptopeas simplex (Guppy, 1868) (basis of record)
Subulina (Nothus) urichi E. A. Smith, 1896 accepted as Leptinaria urichi (E. A. Smith, 1896) (original description)
Subulina octona (Bruguière, 1789) (additional source)
Succinea cuvieri (Gmelin, 1791) (basis of record)
Taheitia reclusa (Guppy, 1871) accepted as Truncatella reclusa (Guppy, 1871) (additional source)
Thysanophora bactricola (Guppy, 1868) accepted as Radioconus bactricolus (Guppy, 1868) accepted as Radiodiscus bactricolus (Guppy, 1868) (basis of record)
Thysanophora dioscoricola (C. B. Adams, 1845) accepted as Pupisoma dioscoricola (C. B. Adams, 1845) (basis of record)
Thysanophora fuscula (C. B. Adams, 1849) accepted as Lyroconus fusculus (C. B. Adams, 1849) (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) (additional source)
Vitrea implicans (Guppy, 1868) accepted as Miradiscops implicans (Guppy, 1868) (basis of record)
Vitrea umbratilis (Guppy, 1868) accepted as Pseudohyalina umbratilis (Guppy, 1868) (basis of record)

Malawi for Pomatias nyasanus E. A. Smith, 1899 
Trinidad for Bulimulus (Drymaeus) broadwayi E. A. Smith, 1896 
Trinidad for Bulimulus (Drymaeus) mossi E. A. Smith, 1896 
Trinidad for Bulimulus (Drymaeus) trinitarius E. A. Smith, 1896 
Trinidad for Subulina (Nothus) urichi E. A. Smith, 1896