Adelopoma occidentale (Godwin-Austen, 1886) (additional source)
Allopeas gracile (T. Hutton, 1834) (additional source)
Allopeas micra (A. d'Orbigny, 1835) (additional source)
Amphibulima patula (Bruguière, 1789) (additional source)
Austrocyclotus rugatus (Guppy, 1864) accepted as Neocyclotus rugatus (Guppy, 1864) (basis of record)
Averellia coactiliata (Deshayes, 1839) (basis of record)
Blandiella reclusa Guppy, 1871 accepted as Truncatella reclusa (Guppy, 1871) (additional source)
Bothriopupa tenuidens (C. B. Adams, 1845) (additional source)
Brachypodella trinitaria (L. Pfeiffer, 1861) (basis of record)
Bulimulus tenuissimus auctt., non A. Férussac, 1832 (basis of record)
Choanopoma (Choanopomops) aripensis (Guppy, 1864) accepted as Halotudora aripensis (Guppy, 1864) (basis of record)
Cyclohidalgoa translucidum trinitense (Guppy, 1864) accepted as Aperostoma (Cyclohidalgoa) translucidum trinitense (Guppy, 1864) represented as Aperostoma translucidum trinitense (Guppy, 1864) (additional source)
Diplosolenodes bielenbergii (C. Semper, 1885) (additional source)
Drymaeus (Mesembrinus) aureolus (Guppy, 1866) accepted as Mesembrinus aureolus (Guppy, 1866) (basis of record)
Drymaeus (Mesembrinus) broadwayi (E. A. Smith, 1896) accepted as Mesembrinus broadwayi (E. A. Smith, 1896) (basis of record)
Drymaeus (Mesembrinus) imperfectus (Guppy, 1866) accepted as Mesembrinus imperfectus (Guppy, 1866) (basis of record)
Drymaeus (Mesembrinus) mossi (E. A. Smith, 1896) accepted as Mesembrinus mossi (E. A. Smith, 1896) (basis of record)
Drymaeus (Mesembrinus) rawsoni (Guppy, 1871) accepted as Mesembrinus rawsoni (Guppy, 1871) (basis of record)
Drymaeus (Mesembrinus) vincentinus (L. Pfeiffer, 1846) accepted as Mesembrinus vincentinus (L. Pfeiffer, 1846) (basis of record)
Drymaeus immaculatus (Reeve, 1850) accepted as Antidrymaeus immaculatus (Reeve, 1850) (basis of record)
Gastrocopta (Geminidens) geminidens (Pilsbry, 1917) represented as Gastrocopta geminidens (Pilsbry, 1917) (additional source)
Gastrocopta barbadensis (L. Pfeiffer, 1853) (additional source)
Gastrocopta rupicola marginalba (L. Pfeiffer, 1840) (additional source)
Gastrocopta servilis riisei (L. Pfeiffer, 1852) (additional source)
Guppya gundlachii (L. Pfeiffer, 1840) (additional source)
Habroconus (Pseudoguppya) cassiquiensis (L. Pfeiffer, 1853) represented as Habroconus cassiquiensis (L. Pfeiffer, 1853) (basis of record)
Habroconus ernsti (Jousseaume, 1889) (additional source)
Happiella decolorata (Drouët, 1859) accepted as Tamayoa decolorata (Drouët, 1859) (additional source)
Happiella guildingi (Bland, 1865) (additional source)
Helicina (Analcadia) dysoni L. Pfeiffer, 1849 represented as Helicina dysoni L. Pfeiffer, 1849 (additional source)
Helicina nemoralis Guppy, 1866 (additional source)
Helix caeca Guppy, 1868 accepted as Pupisoma dioscoricola (C. B. Adams, 1845) (additional source)
Huttonella bicolor (T. Hutton, 1834) accepted as Gulella bicolor (T. Hutton, 1834) (additional source)
Karolus consobrinus (A. d'Orbigny, 1841) (additional source)
Leptinaria simplex (Guppy, 1868) accepted as Leptopeas simplex (Guppy, 1868) (basis of record)
Leptinaria unilamellata (A. d'Orbigny, 1838) (additional source)
Leptinaria urichi (E. A. Smith, 1896) (additional source)
Lucidella (Perenna) lirata (L. Pfeiffer, 1847) represented as Lucidella lirata (L. Pfeiffer, 1847) (basis of record)
Lucidella (Poeniella) ignicoma (Guppy, 1868) represented as Lucidella ignicoma (Guppy, 1868) (basis of record)
Megalobulimus oblongus (O. F. Müller, 1774) (additional source)
Megalobulimus oblongus var. tobagoensis (Pilsbry, 1895) accepted as Megalobulimus albus (Bland & W. G. Binney, 1872) (basis of record)
Melaniella coronata (Guppy, 1868) (basis of record)
Miradiscops lunti (E. A. Smith, 1898) (additional source)
Naesiotus pilosus (Guppy, 1871) accepted as Protoglyptus pilosus (Guppy, 1871) (basis of record)
Obeliscus plicatellum (Guppy, 1868) (basis of record)
Omalonyx matheronii (Potiez & Michaud, 1838) accepted as Omalonyx unguis (A. d'Orbigny, 1836) (additional source)
Orthalicus undatus (Bruguière, 1789) (additional source)
Ovachlamys fulgens (Gude, 1900) (additional source)
Pallifera E. S. Morse, 1864 (additional source)
Plekocheilus (Eudolichotis) glaber (Gmelin, 1791) represented as Plekocheilus glaber (Gmelin, 1791) (basis of record)
Plekocheilus (Eurytus) aulacostylus (L. Pfeiffer, 1853) represented as Plekocheilus aulacostylus (L. Pfeiffer, 1853) (basis of record)
Radiodiscus bactricolus (Guppy, 1868) (basis of record)
Sarasinula plebeia (P. Fischer, 1868) (additional source)
Simpulopsis corrugata Guppy, 1866 (additional source)
Streptaxis (Streptartemon) glaber L. Pfeiffer, 1850 represented as Streptartemon glaber (L. Pfeiffer, 1850) (additional source)
Streptostele (Tomostele) musaecola (Morelet, 1860) accepted as Tomostele musaecola (Morelet, 1860) (additional source)
Striatura (Pseudohyalina) umbratilis (Guppy, 1868) accepted as Pseudohyalina umbratilis (Guppy, 1868) (basis of record)
Subulina octona (Bruguière, 1789) (additional source)
Succinea Draparnaud, 1801 (additional source)
Succinea approximans Shuttleworth, 1854 (additional source)
Succinea cuvieri (Gmelin, 1791) (additional source)
Succinea margarita L. Pfeiffer, 1853 (additional source)
Systrophia (Systrophiella) alicea (Guppy, 1871) represented as Systrophia alicea (Guppy, 1871) accepted as Happia alicea (Guppy, 1871) accepted as Systrophiella alicea (Guppy, 1871) (basis of record)
Tamayoa trinitaria (E. A. Smith, 1898) (additional source)
Thysanophora (Lyroconus) plagioptycha (Shuttleworth, 1854) accepted as Lyroconus plagioptycha (Shuttleworth, 1854) (additional source)
Veronicella sloanei (Cuvier, 1817) accepted as Veronicella sloanii (Cuvier, 1816) accepted as Leidyula sloanii (Cuvier, 1816) (additional source)
Zonites implicans Guppy, 1868 accepted as Miradiscops implicans (Guppy, 1868) (additional source)