Achatina riisei L. Pfeiffer, 1852 accepted as Vagavarix portoricensis (L. Pfeiffer, 1849) (source of synonymy)
Alcadia alta (G. B. Sowerby II, 1866) (additional source)
Alcadia hjalmarsoni (L. Pfeiffer, 1856) (additional source)
Alcadia striata (Lamarck, 1822) accepted as Helicina striata Lamarck, 1822 (additional source)
Alcadia striata subfusca (Menke, 1828) accepted as Alcadia striata (Lamarck, 1822) accepted as Helicina striata Lamarck, 1822 (basis of record)
Alcadia subfusca (Menke, 1828) accepted as Alcadia striata (Lamarck, 1822) accepted as Helicina striata Lamarck, 1822 (basis of record)
Ancylus obscurus Haldeman, 1844 accepted as Laevapex fuscus (C. B. Adams, 1840) (additional source)
Aquebana velutina (Lamarck, 1822) (basis of record)
Australorbis glabratus (Say, 1818) accepted as Biomphalaria glabrata (Say, 1818) (additional source)
Austroselenites alticola H. B. Baker, 1941 (basis of record)
Austroselenites concolor (A. Férussac, 1821) (basis of record)
Bothriopupa tenuidens (C. B. Adams, 1845) (additional source)
Brachypodella pallida (L. Pfeiffer, 1845) (basis of record)
Brachypodella portoricensis (L. Pfeiffer, 1852) (basis of record)
Brachypodella riisei (L. Pfeiffer, 1852) (basis of record)
Bulimulus diaphanus (L. Pfeiffer, 1855) accepted as Bulimulus fraterculus diaphanus (L. Pfeiffer, 1855) (additional source)
Bulimulus exilis (Gmelin, 1791) accepted as Bulimulus guadalupensis (Bruguière, 1789) (basis of record)
Bulimulus fraterculus (Potiez & Michaud, 1838) (additional source)
Bulimulus psidii (E. von Martens, 1877) (basis of record)
Cecilioides consobrina (A. d'Orbigny, 1841) accepted as Karolus consobrinus (A. d'Orbigny, 1841) (basis of record)
Cecilioides gundlachi (L. Pfeiffer, 1850) accepted as Geostilbia aperta (Swainson, 1840) (basis of record)
Cepolis boriquenae H. B. Baker, 1940 (basis of record)
Cepolis dermatina (Shuttleworth, 1854) accepted as Levicepolis dermatina (Shuttleworth, 1854) (basis of record)
Cepolis musicola (Shuttleworth, 1854) accepted as Plagioptycha musicola (Shuttleworth, 1854) (basis of record)
Cepolis squamosa (A. Férussac, 1821) (basis of record)
Ceratodiscus portoricanus Pilsbry & Vanatta, 1927 (additional source)
Cerion crassilabris [sic] accepted as Cerion striatellum (Guerin-Méneville, 1829) (basis of record)
Chondropoma blauneri (Shuttleworth, 1854) accepted as Parachondria blauneri (Shuttleworth, 1854) (basis of record)
Chondropoma conseptum (E. von Martens, 1883) accepted as Parachondria consepta (E. von Martens, 1883) (basis of record)
Chondropoma riisei (L. Pfeiffer, 1852) accepted as Chondropomorus riisei (L. Pfeiffer, 1852) accepted as Parachondria riisei (L. Pfeiffer, 1852) (basis of record)
Chondropoma swifti (Shuttleworth, 1854) accepted as Chondropoma pictum (L. Pfeiffer, 1839) (basis of record)
Chondropoma yunquei H. B. Baker, 1841 accepted as Parachondria yunquei (H. B. Baker, 1941) (basis of record)
Drepanotrema anatinum (A. d'Orbigny, 1835) (additional source)
Drepanotrema hoffmani F. C. Baker, 1941 accepted as Drepanotrema surinamense (Clessin, 1884) (additional source)
Drymaeus hjalmarsoni (L. Pfeiffer, 1856) accepted as Mesembrinus hjalmarsoni (L. Pfeiffer, 1856) (basis of record)
Drymaeus liliaceus (A. Férussac, 1832) accepted as Mesembrinus liliaceus (A. Férussac, 1832) (basis of record)
Drymaeus virgulatus (A. Férussac, 1821) accepted as Drymaeus elongatus (Röding, 1789) accepted as Mesembrinus elongatus (Röding, 1789) (basis of record)
Fadyenia portoricensis (L. Pfeiffer, 1856) (basis of record)
Ferrissia beaui (Bourguignat, 1853) (basis of record)
Gaeotis albopunctulata Shuttleworth, 1854 (basis of record)
Gaeotis flavolineata Shuttleworth, 1854 (additional source)
Gaeotis malleata Pilsbry, 1899 (basis of record)
Gaeotis nigrolineata Shuttleworth, 1854 (basis of record)
Gastrocopta pellucida (L. Pfeiffer, 1841) (additional source)
Gastrocopta servilis (A. Gould, 1843) (additional source)
Glandina sulculosa Shuttleworth, 1854 accepted as Vagavarix terebraeformis (Shuttleworth, 1854) (source of synonymy)
Gulella bicolor (T. Hutton, 1834) (additional source)
Guppya gundlachii (L. Pfeiffer, 1840) (additional source)
Habroconus ernsti (Jousseaume, 1889) (basis of record)
Hawaiia minuscula (A. Binney, 1841) (additional source)
Helicina fasciata Lamarck, 1822 (additional source)
Helicina phasianella L. Pfeiffer, 1856 (additional source)
Helicina subfusca Menke, 1828 accepted as Helicina striata Lamarck, 1822 (additional source)
Helisoma caribaeum (A. d'Orbigny, 1845) accepted as Planorbella (Pierosoma) fovealis (Menke, 1830) represented as Planorbella fovealis (Menke, 1830) (additional source)
Helisoma terverianum (A. d'Orbigny, 1841) accepted as Biomphalaria havanensis (L. Pfeiffer, 1839) (basis of record)
Helix (Helicigona) angulata A. Férussac, 1822 accepted as Parthena angulata (A. Férussac, 1822) accepted as Parthena acutangula (Burrow, 1815) (source of synonymy)
Hyalosagda subaquila (Shuttleworth, 1854) (basis of record)
Lacteoluna krugiana (E. von Martens, 1877) (basis of record)
Lacteoluna selenina (A. Gould, 1848) (additional source)
Laevaricella glabra (L. Pfeiffer, 1846) (basis of record)
Laevaricella interrupta (Shuttleworth, 1854) (basis of record)
Laevaricella playa (H. B. Baker, 1940) (basis of record)
Lamellaxis acicularis (Shuttleworth, 1854) accepted as Leptinaria acicularis (Shuttleworth, 1854) (basis of record)
Lamellaxis alabastrina (Shuttleworth, 1854) (basis of record)
Lamellaxis gompharium (Shuttleworth, 1854) (basis of record)
Lamellaxis gracilis (T. Hutton, 1834) accepted as Allopeas gracile (T. Hutton, 1834) (additional source)
Lamellaxis micra margaritaceus (Shuttleworth, 1854) (basis of record)
Lamellaxis monodon opalescens (Shuttleworth, 1854) accepted as Leptinaria monodon (C. B. Adams, 1849) (basis of record)
Lamellaxis paludinoides (A. d'Orbigny, 1841) (basis of record)
Lamellaxis unilamellata (A. d'Orbigny, 1838) accepted as Leptinaria unilamellata (A. d'Orbigny, 1838) (basis of record)
Licina aguadillensis (L. Pfeiffer, 1875) accepted as Diplopoma aguadillense (L. Pfeiffer, 1875) (additional source)
Licina decussata (Lamarck, 1822) accepted as Diplopoma decussatum (Lamarck, 1822) (basis of record)
Licina graminosum H. B. Baker, 1941 accepted as Parachondria graminosa (H. B. Baker, 1941) (basis of record)
Lucidella umbonata (Shuttleworth, 1854) accepted as Helicina umbonata Shuttleworth, 1854 (basis of record)
Lucidella vinosa (Shuttleworth, 1854) (additional source)
Lymnaea (Pseudosuccinea) columella (Say, 1817) represented as Pseudosuccinea columella (Say, 1817) (basis of record)
Lymnaea cubensis (L. Pfeiffer, 1839) accepted as Galba cubensis (L. Pfeiffer, 1839) (additional source)
Macroceramus microdon (L. Pfeiffer, 1853) (basis of record)
Mcleania darlingtoni Bequaert & Clench, 1939 (additional source)
Microceramus guanicanus H. B. Baker, 1941 (additional source)
Microconus wilhelmi (L. Pfeiffer, 1866) (additional source)
Miradiscops H. B. Baker, 1925 (basis of record)
Nenia tridens (Schweigger, 1820) (additional source)
Obeliscus dominicensis hasta (L. Pfeiffer, 1856) accepted as Pseudobalea dominicensis hasta (L. Pfeiffer, 1856) (basis of record)
Obeliscus swiftianus (L. Pfeiffer, 1852) (basis of record)
Obeliscus terebraster (Lamarck, 1822) accepted as Stenogyra terebraster (Lamarck, 1822) (basis of record)
Opeas pumilum (L. Pfeiffer, 1840) accepted as Opeas hannense (Rang, 1831) (additional source)
Physa cubensis L. Pfeiffer, 1839 accepted as Physella acuta (Draparnaud, 1805) (additional source)
Pisidium C. Pfeiffer, 1821 (additional source)
Planorbis lucidus L. Pfeiffer, 1839 accepted as Drepanotrema lucidum (L. Pfeiffer, 1839) (additional source)
Planorbis macnabianus C. B. Adams, 1849 accepted as Drepanotrema cimex (Moricand, 1838) (additional source)
Planorbis schrammi Crosse, 1864 accepted as Biomphalaria schrammi (Crosse, 1864) (additional source)
Platysuccinea portoricensis (Shuttleworth, 1854) (basis of record)
Pleurodonte (Polydontes) angulata (A. Férussac, 1821) (source of synonymy)
Pleurodonte acutangula (Burrow, 1815) accepted as Polydontes acutangula (Burrow, 1815) accepted as Parthena angulata (A. Férussac, 1822) accepted as Parthena acutangula (Burrow, 1815) (additional source)
Pleurodonte carocolla (Linnaeus, 1758) accepted as Caracolus carocolla (Linnaeus, 1758) (basis of record)
Pleurodonte marginella (Gmelin, 1791) accepted as Caracolus marginella (Gmelin, 1791) (basis of record)
Polydontes acutangula (Burrow, 1815) accepted as Parthena angulata (A. Férussac, 1822) accepted as Parthena acutangula (Burrow, 1815) (basis of record)
Polydontes lima (A. Férussac, 1821) accepted as Granodomus lima (A. Férussac, 1821) (basis of record)
Polydontes luquillensis (Shuttleworth, 1854) (basis of record)