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Mollusca (132 738)
Subphylum Aculifera
Subphylum Conchifera
Subphylum Placophora accepted as Polyplacophora
Superclass Aplacophora
Class Amphineura accepted as Aculifera
Class Bivalvia (24 984)
Class Caudofoveata (143)
Class Cephalopoda (1 830)
Class Conchifera accepted as Bivalvia
Class Cricoconarida † (1)
Class Gastropoda (102 673)
Subclass Amphigastropoda † (387)
Subclass Angiogastropoda represented as Gastropoda
Subclass Apogastropoda
Subclass Caenogastropoda (53 618)
Subclass Gastropoda incertae sedis (308)
Subclass Heterobranchia (39 153)
Infraclass "Lower Heterobranchia" (1 137)
Infraclass Euthyneura (37 430)
Subterclass Acteonimorpha (411)
Subterclass Ringipleura (2 917)
Subterclass Tectipleura (34 102)
Superorder Acochlidiimorpha (48)
Superorder Ascoglossa accepted as Sacoglossa
Superorder Basommatophora accepted as Hygrophila
Superorder Eupulmonata (25 566)
Order Aillyida accepted as Achatinina
Order Ellobiida (579)
Order Gymnomorpha accepted as Systellommatophora
Order Stylommatophora (24 763)
Suborder Achatinina (2 899)
Superfamily Achatinoidea Swainson, 1840 (1 328)
Family Achatinidae Swainson, 1840 (1 232)
Subfamily Achatininae Swainson, 1840 (198)
Tribe Achatinini Swainson, 1840 (153)
Genus Achatina Lamarck, 1799 (40)
Subgenus Achatina (Achatina) Lamarck, 1799 represented as Achatina Lamarck, 1799
Subgenus Achatina (Acicula) Risso, 1826 accepted as Cecilioides A. Férussac, 1814
Subgenus Achatina (Amphorella) R. T. Lowe, 1852 accepted as Amphorella R. T. Lowe, 1852
Subgenus Achatina (Archachatina) Albers, 1850 accepted as Archachatina Albers, 1850
Subgenus Achatina (Bacillum) Theobald, 1870 accepted as Bacillum Theobald, 1870
Subgenus Achatina (Carelia) H. Adams & A. Adams, 1855 accepted as Carelia H. Adams & A. Adams, 1855
Subgenus Achatina (Chersina) H. Beck, 1837 accepted as Liguus Montfort, 1810
Subgenus Achatina (Cochlycopa) Hanley, 1841 accepted as Ampulla Röding, 1798
Subgenus Achatina (Corona) Albers, 1850 accepted as Corona Albers, 1850
Subgenus Achatina (Cylichnidia) R. T. Lowe, 1852 accepted as Cylichnidia R. T. Lowe, 1852
Subgenus Achatina (Electra) Albers, 1850 accepted as Electra Albers, 1850
Subgenus Achatina (Euaethiopina) Bequaert, 1950 accepted as Lissachatina Bequaert, 1950
Subgenus Achatina (Fusillus) R. T. Lowe, 1852 accepted as Amphorella R. T. Lowe, 1852
Subgenus Achatina (Glandina) Schumacher, 1817 accepted as Glandina Schumacher, 1817
Subgenus Achatina (Glessula) E. von Martens, 1860 accepted as Glessula E. von Martens, 1860
Subgenus Achatina (Homorus) Albers, 1850 accepted as Homorus Albers, 1850
Subgenus Achatina (Hypselia) R. T. Lowe, 1855 accepted as Amphorella R. T. Lowe, 1852
Subgenus Achatina (Leptinaria) H. Beck, 1837 accepted as Leptinaria H. Beck, 1837
Subgenus Achatina (Leptocala) Ancey, 1888 accepted as Leptocala Ancey, 1888
Subgenus Achatina (Leptocalina) Bequaert, 1950 accepted as Leptocalina Bequaert, 1950
Subgenus Achatina (Leptocallista) Pilsbry, 1904 accepted as Leptocallista Pilsbry, 1904
Subgenus Achatina (Limicolaria) Schumacher, 1817 accepted as Limicolaria Schumacher, 1817
Subgenus Achatina (Lissachatina) Bequaert, 1950 accepted as Lissachatina Bequaert, 1950
Species Achatina (Lissachatina) allisa Reeve, 1849 accepted as Lissachatina allisa (Reeve, 1849)
Species Achatina (Lissachatina) bayaona Morelet, 1866 accepted as Achatina (Achatina) bayaona Morelet, 1866
Species Achatina (Lissachatina) bayoniana Morelet, 1866 accepted as Achatina bayaona Morelet, 1866
Species Achatina (Lissachatina) connollyi Preston, 1912 accepted as Achatina (Achatina) connollyi Preston, 1912
Species Achatina (Lissachatina) craveni E. A. Smith, 1881 accepted as Achatina (Achatina) craveni E. A. Smith, 1881
Species Achatina (Lissachatina) eleanorae Mead, 1995 accepted as Lissachatina eleanorae (Mead, 1995)
Species Achatina (Lissachatina) fulica Bowdich, 1822 accepted as Lissachatina fulica (Bowdich, 1822)
Species Achatina (Lissachatina) glaucina E. A. Smith, 1899 represented as Achatina glaucina E. A. Smith, 1899
Species Achatina (Lissachatina) glutinosa L. Pfeiffer, 1854 represented as Achatina glutinosa L. Pfeiffer, 1854
Species Achatina (Lissachatina) immaculata Lamarck, 1822 accepted as Lissachatina immaculata (Lamarck, 1822)
Species Achatina (Lissachatina) layardi L. Pfeiffer, 1858 accepted as Lissachatina layardi (L. Pfeiffer, 1858)
Species Achatina (Lissachatina) loveridgei (Clench & Archer, 1930) accepted as Lissachatina loveridgei (Clench & Archer, 1930)
Species Achatina (Lissachatina) mulanjensis Crowley & Pain, 1981 represented as Achatina mulanjensis Crowley & Pain, 1981
Species Achatina (Lissachatina) reticulata L. Pfeiffer, 1845 accepted as Lissachatina reticulata (L. Pfeiffer, 1845)
Species Achatina (Lissachatina) vassei Germain, 1918 accepted as Achatina (Achatina) vassei Germain, 1918
Species Achatina (Lissachatina) yalaensis Germain, 1936 accepted as Oreohomorus connollyi (Odhner, 1932)
Species Achatina (Lissachatina) zanzibarica Bourguignat, 1879 accepted as Lissachatina zanzibarica (Bourguignat, 1879)
Subgenus Achatina (Livinhacia) Crosse, 1889 accepted as Burtoa Bourguignat, 1890
Subgenus Achatina (Macrospira) Swainson, 1840 accepted as Macrospira Swainson, 1840
Subgenus Achatina (Melia) Albers, 1850 accepted as Euvaricella H. B. Baker, 1935
Subgenus Achatina (Oleacina) Röding, 1789 accepted as Oleacina Röding, 1789
Subgenus Achatina (Perideris) Shuttleworth, 1856 accepted as Pseudotrochus Mörch, 1852
Subgenus Achatina (Pintoa) Bourguignat, 1890 represented as Achatina Lamarck, 1799
Subgenus Achatina (Pseudachatina) Albers, 1850 accepted as Pseudachatina Albers, 1850
Subgenus Achatina (Pyrgella) R. T. Lowe, 1855 accepted as Pyrgella R. T. Lowe, 1855
Subgenus Achatina (Stenogyra) Shuttleworth, 1854 accepted as Stenogyra Shuttleworth, 1854
Subgenus Achatina (Subulina) H. Beck, 1837 accepted as Subulina H. Beck, 1837
Subgenus Achatina (Tripachatina) Bourguignat, 1890 represented as Achatina Lamarck, 1799
Species Achatina aberrans L. Pfeiffer, 1846 accepted as Sigmataxis laeviusculus (C. B. Adams, 1845)
Species Achatina accincta A. Gould, 1852 accepted as Achatina accineta Mighels, 1845
Species Achatina accineta Mighels, 1845 accepted as Leptachatina accineta (Mighels, 1845)
Species Achatina achatina (Linnaeus, 1758)
Species Achatina actoniana Benoit, 1862 accepted as Cecilioides actoniana (Benoit, 1862)
Species Achatina acuminata Baudon, 1853 † accepted as Litiopa acuminata (Baudon, 1853) †
Species Achatina acuta Lamarck, 1822 accepted as Lissachatina fulica (Bowdich, 1822)
Species Achatina adamsiana Chitty, 1853 accepted as Costavarix adamsianus (Chitty, 1853)
Species Achatina adamsii L. Pfeiffer, 1846 accepted as Costavarix costulatus (C. B. Adams, 1845)
Species Achatina adusta A. Gould, 1845 accepted as Carelia bicolor (J. C. Jay, 1839)
Species Achatina aequatoria Reeve, 1849
Species Achatina afromontana Bequaert & Clench, 1934 accepted as Achatina osborni afromontana Bequaert & Clench, 1934
Species Achatina albicans L. Pfeiffer, 1851 accepted as Achatina allisa Reeve, 1849
Species Achatina albolineata Lamarck, 1822 accepted as Varicella leucozonias (Gmelin, 1791)
Species Achatina albopicta E. A. Smith, 1878 accepted as Lissachatina albopicta (E. A. Smith, 1878)
Species Achatina algira (Bruguière, 1792) accepted as Poiretia algira (Bruguière, 1792)
Species Achatina allisa Reeve, 1849 accepted as Lissachatina allisa (Reeve, 1849)
Species Achatina ambigua L. Pfeiffer, 1857 accepted as Pittieria ambigua (L. Pfeiffer, 1857)
Species Achatina amentum Reeve, 1849 accepted as Glessula amentum (Reeve, 1849)
Species Achatina amphora H. Beck, 1837 accepted as Achatina achatina (Linnaeus, 1758)
Species Achatina ampullacea O. Boettger, 1910
Species Achatina anais R. P. Lesson, 1840
Species Achatina anamullica W. T. Blanford, 1866 accepted as Glessula anamullica (W. T. Blanford, 1866)
Species Achatina angiostoma C. B. Adams, 1849 accepted as Euvaricella angiostoma (C. B. Adams, 1849)
Species Achatina anomala L. Pfeiffer, 1846 accepted as Leptinaria anomala (L. Pfeiffer, 1846)
Species Achatina antinorii Morelet, 1872 accepted as Homorus antorinii (Morelet, 1872)
Species Achatina antiqua Deshayes, 1863 †
Species Achatina antourtourensis Crosse, 1879 accepted as Achatina immaculata Lamarck, 1822
Species Achatina aradasiana Benoit, 1862 accepted as Hohenwartiana aradasiana (Benoit, 1862)
Species Achatina arctespirata Bourguignat, 1890 accepted as Achatina randabeli Bourguignat, 1890
Species Achatina ariel Preston, 1910 accepted as Neoglessula ariel (Preston, 1910)
Species Achatina arthuri W. H. Benson, 1864 accepted as Glessula arthuri (W. H. Benson, 1864)
Species Achatina assimilis Reeve, 1849 accepted as Euglandina assimilis (Reeve, 1849)
Species Achatina atramentaria L. Pfeiffer, 1855 accepted as Sultana atramentaria (L. Pfeiffer, 1855)
Species Achatina attenuata L. Pfeiffer, 1853 accepted as Guillarmodia attenuata (L. Pfeiffer, 1853)
Species Achatina aurelianensis Deshayes, 1863 † accepted as Cochlicopa aurelianensis (Deshayes, 1863) †
Species Achatina aurora L. Pfeiffer, 1855 accepted as Archachatina purpurea (Gmelin, 1790)
Species Achatina balanus Reeve, 1850 accepted as Cecilioides balanus (Reeve, 1850)
Species Achatina balteata Reeve, 1849
Species Achatina balteata A. Gould, 1850 accepted as Achatina gouldii Reeve, 1850
Species Achatina bandeirana Morelet, 1866
Species Achatina barbigera Morelet, 1866 accepted as Achatina marmorea Reeve, 1850
Species Achatina barriana G. B. Sowerby III, 1890 accepted as Callistoplepa barriana (G. B. Sowerby III, 1890)
Species Achatina bayaona Morelet, 1866
Species Achatina bayoli Morelet, 1888 accepted as Achatina achatina bayoli Morelet, 1888
Species Achatina bayoniana Morelet, 1868 accepted as Achatina bayaona Morelet, 1866
Species Achatina beddomei W. T. Blanford, 1866 accepted as Glessula beddomei (W. T. Blanford, 1866)
Species Achatina bensoniana L. Pfeiffer, 1851 accepted as Glessula bensoniana (L. Pfeiffer, 1851)
Species Achatina berendti L. Pfeiffer, 1862 accepted as Pseudosubulina berendti (L. Pfeiffer, 1862)
Species Achatina bicolor J. C. Jay, 1839 accepted as Carelia bicolor (J. C. Jay, 1839)
Species Achatina biondiana Benoit, 1862
Species Achatina bisculpta E. A. Smith, 1878
Species Achatina blainiana Poey, 1852 accepted as Liguus fasciatus blainianus (Poey, 1852)
Species Achatina blandiana C. B. Adams, 1850 accepted as Varicella blandiana (C. B. Adams, 1850)
Species Achatina bloyeti Bourguignat, 1890 accepted as Lissachatina bloyeti (Bourguignat, 1890)
Species Achatina boreti J. E. Gray, 1825 accepted as Poiretia algira (Bruguière, 1792)
Species Achatina borniana H. Beck, 1837 accepted as Achatina zebra (Bruguière, 1792)
Species Achatina botellus W. H. Benson, 1860 accepted as Glessula botellus (W. H. Benson, 1860)
Species Achatina bottampotana Hanley & Theobald, 1876 accepted as Glessula bottampotana (Hanley & Theobald, 1876)
Species Achatina bourguignatiana Benoit, 1862
Species Achatina brevis L. Pfeiffer, 1862 accepted as Glessula brevis (L. Pfeiffer, 1862)
Species Achatina brooksi Bequaert & Clench, 1934 accepted as Leptocalina brooksi (Bequaert & Clench, 1934)
Species Achatina buccinula Grateloup, 1828 †
Species Achatina buchneri E. von Martens, 1882 accepted as Achatina schweinfurthi buchneri E. von Martens, 1882
Species Achatina bulimoides L. Pfeiffer, 1847 accepted as Fernandezia bulimoides (L. Pfeiffer, 1847)
Species Achatina burnupi E. A. Smith, 1890 accepted as Cochlitoma dimidiata (E. A. Smith, 1878)
Species Achatina cailleana (Morelet, 1858) accepted as Lignus cailleanus (Morelet, 1848)
Species Achatina calabarica L. Pfeiffer, 1866 accepted as Pseudoglessula clavata (J. E. Gray, 1837)
Species Achatina californica L. Pfeiffer, 1846 accepted as Rhodea californica (L. Pfeiffer, 1846)
Species Achatina camerunensis d'Ailly, 1896 accepted as Archachatina camerunensis (d'Ailly, 1896)
Species Achatina candida Shuttleworth, 1852 accepted as Euglandina candida (Shuttleworth, 1852)
Species Achatina capelloi Furtado, 1886 accepted as Lissachatina capelloi (Furtado, 1886)
Species Achatina capensis Albers, 1860 accepted as Cochlitoma zebra (Bruguière, 1792)
Species Achatina capillacea L. Pfeiffer, 1855 accepted as Glessula capillacea (L. Pfeiffer, 1855)
Species Achatina carinata L. Pfeiffer, 1846
Species Achatina carnea L. Pfeiffer, 1854
Species Achatina cassiaca Reeve, 1849 accepted as Bacillum cassiacum (Reeve, 1849)
Species Achatina castanea Lamarck, 1822 accepted as Lissachatina fulica castanea (Lamarck, 1822)
Species Achatina cerea L. Pfeiffer, 1854
Species Achatina cereola Morelet, 1860 accepted as Subulina cereola (Morelet, 1860)
Species Achatina ceylanica L. Pfeiffer, 1845 accepted as Glessula ceylanica (L. Pfeiffer, 1845)
Species Achatina chaperi Ancey, 1888 accepted as Achatina achatina elegans (Link, 1807)
Species Achatina chemnitziana L. Pfeiffer, 1842 accepted as Achatina zebra (Bruguière, 1792)
Species Achatina chessoni W. H. Benson, 1860 accepted as Glessula chessoni (W. H. Benson, 1860)
Species Achatina chiapasensis L. Pfeiffer, 1856 accepted as Mayaxis chiapensis (L. Pfeiffer, 1856)
Species Achatina chilensis (R. P. Lesson, 1830) accepted as Plectostylus chilensis (R. P. Lesson, 1830)
Species Achatina chinensis L. Pfeiffer, 1855
Species Achatina chrysallis L. Pfeiffer, 1855 accepted as Pauahia chrysallis (L. Pfeiffer, 1855)
Species Achatina chrysoleuca Pilsbry, 1897 accepted as Lissachatina fulica rodatzi (Dunker, 1852)
Species Achatina churchilliana Melvill & Ponsonby, 1895 accepted as Cochlitoma churchilliana (Melvill & Ponsonby, 1895)
Species Achatina cinnamomea Melvill & Ponsonby, 1894 accepted as Cochlitoma cinnamomea (Melvill & Ponsonby, 1894)
Species Achatina clavata J. E. Gray, 1837 accepted as Pseudoglessula clavata (J. E. Gray, 1837)
Species Achatina clavus L. Pfeiffer, 1846 accepted as Petriola clavus (L. Pfeiffer, 1846)
Species Achatina cochlea Reeve, 1849 accepted as Carelia cochlea (Reeve, 1849)
Species Achatina collina Drouët, 1855 accepted as Cochlicopa collina (Drouët, 1855)
Species Achatina colubrina Morelet, 1866 accepted as Leptocalina colubrina (Morelet, 1866)
Species Achatina columnella Deshayes, 1863 † accepted as Scalaxis columnella (Deshayes, 1863) †
Species Achatina comorensis L. Pfeiffer, 1856 accepted as Petriola comorensis (L. Pfeiffer, 1856)
Species Achatina concentrica Reeve, 1849 accepted as Leptinaria lamellata concentrica (Reeve, 1849)
Species Achatina conifera Reeve, 1849 accepted as Fernandezia conifera (Reeve, 1849)
Species Achatina connollyi Preston, 1912
Species Achatina consimilis Reeve, 1849 accepted as Fernandezia consimilis (Reeve, 1849)
Species Achatina cordieri Deshayes, 1863 † accepted as Palaeoglandina cordieri (Deshayes, 1863) †
Species Achatina cordovana L. Pfeiffer, 1857 accepted as Guillarmodia cordovana (L. Pfeiffer, 1857)
Species Achatina cornea Morelet, 1877 accepted as Petriola anjouanensis (Pilsbry, 1909)
Species Achatina cornea Brumati, 1838 accepted as Poiretia cornea (Brumati, 1838)
Species Achatina coroca van Bruggen, 1978
Species Achatina coronata L. Pfeiffer, 1846 accepted as Euglandina vanuxemensis (I. Lea, 1834)
Species Achatina corrosula L. Pfeiffer, 1856 accepted as Glessula corrosula (L. Pfeiffer, 1856)
Species Achatina costellata (J. Sowerby, 1822) † accepted as Palaeoglandina costellata (J. Sowerby, 1822) †
Species Achatina costulata C. B. Adams, 1845 accepted as Costavarix costulatus (C. B. Adams, 1845)
Species Achatina costulata L. Pfeiffer, 1845
Species Achatina costulosa C. B. Adams, 1850 accepted as Varicella costulosa (C. B. Adams, 1850)
Species Achatina couroupa R. P. Lesson, 1830 accepted as Lissachatina fulica (Bowdich, 1822)
Species Achatina crassilabris W. H. Benson, 1836 accepted as Glessula crassilabris (W. H. Benson, 1836)
Species Achatina crassula Reeve, 1850 accepted as Glessula crassula (Reeve, 1850)
Species Achatina craveni E. A. Smith, 1881
Species Achatina crawfordi Morelet, 1889 accepted as Cochlitoma crawfordi (Morelet, 1889)
Species Achatina crenatus Swainson, 1821 accepted as Liguus crenatus (Swainson, 1821)
Species Achatina cumingii Shuttleworth, 1852 accepted as Archachatina marginata suturalis (R. A. Philippi, 1849)
Species Achatina cuspidata de Boissy, 1848 † accepted as Scalaxis cuspidatus (de Boissy, 1848) †
Species Achatina cyanostoma L. Pfeiffer, 1842 accepted as Homorus cyanostomus (L. Pfeiffer, 1842)
Species Achatina cylindracea L. Pfeiffer, 1846 accepted as Streptostyla cylindracea (L. Pfeiffer, 1846)
Species Achatina cylindrella Morelet, 1851 accepted as Mayaxis cylindrella (Morelet, 1851)
Species Achatina dacostana Preston, 1909 accepted as Cochlitoma dacostana (Preston, 1909)
Species Achatina dactylus Broderip, 1832 accepted as Euglandina striata (O. F. Müller, 1774)
Species Achatina dammarensis L. Pfeiffer, 1870
Species Achatina darnaudi L. Pfeiffer, 1856
Species Achatina daroliensis Kobelt, 1910 accepted as Lissachatina fulica rodatzi (Dunker, 1852)
Species Achatina daudebarti Deshayes, 1850 accepted as Euglandina daudebarti (Deshayes, 1850)
Species Achatina decussata Deshayes, 1851 accepted as Euglandina decussata (Deshayes, 1851)
Species Achatina delicatula Shuttleworth, 1852 accepted as Guillarmodia delicatula (Shuttleworth, 1852)
Species Achatina delorioli Bonnet, 1864 accepted as Lissachatina allisa (Reeve, 1849)
Species Achatina deshayesi L. Pfeiffer, 1853 accepted as Glessula deshayesi (L. Pfeiffer, 1853)
Species Achatina dewittei Bequaert & Clench, 1934 accepted as Leptocalina dewittei (Bequaert & Clench, 1934)
Species Achatina diaphana P. P. King, 1832 accepted as Fernandezia diaphana (P. P. King, 1832)
Species Achatina dilatata (R. A. Philippi, 1836) accepted as Poiretia dilatata (R. A. Philippi, 1836)
Species Achatina dimidiata E. A. Smith, 1878 accepted as Cochlitoma dimidiata (E. A. Smith, 1878)
Species Achatina dimidiata E. von Martens, 1889 accepted as Achatina balteata infrafusca E. von Martens, 1897
Species Achatina diversa Deshayes, 1863 † accepted as Scalaxis diversus (Deshayes, 1863) †
Species Achatina dohrniana L. Pfeiffer, 1870
Species Achatina dormitzeri Reuss, 1849 † accepted as Cochlicopa dormitzeri (Reuss, 1849) †
Species Achatina drakensbergensis Melvill & Ponsonby, 1897 accepted as Cochlitoma drakensbergensis (Melvill & Ponsonby, 1897)
Species Achatina dunkeri L. Pfeiffer, 1853 accepted as Dolicholestes dunkeri (L. Pfeiffer, 1853)
Species Achatina dysoni L. Pfeiffer, 1846 accepted as Streptostyla dysoni (L. Pfeiffer, 1846)
Species Achatina eleanorae Mead, 1995 accepted as Lissachatina eleanorae (Mead, 1995)
Species Achatina electa Deshayes, 1863 † accepted as Palaeoglandina gracilis (Zieten, 1832) †
Species Achatina elegans Klein, 1853 † accepted as Pseudoleacina kleiniana (Pilsbry, 1909) †
Species Achatina elegans C. B. Adams, 1849 accepted as Varicella philippiana (L. Pfeiffer, 1846)
Species Achatina ellioti E. A. Smith, 1895 accepted as Oreohomorus ellioti (E. A. Smith, 1895)
Species Achatina erecta W. H. Benson, 1842 accepted as Tortaxis erectus (W. H. Benson, 1842)
Species Achatina erlangeri Möllendorff & Kobelt, 1902 accepted as Lissachatina fulica rodatzi (Dunker, 1852)
Species Achatina eulima R. T. Lowe, 1855 accepted as Cecilioides eulima (R. T. Lowe, 1855)
Species Achatina exilis L. Pfeiffer, 1839
Species Achatina facula W. H. Benson, 1860 accepted as Glessula facula (W. H. Benson, 1860)
Species Achatina fairbanki W. H. Benson, 1865 accepted as Glessula fairbanki (W. H. Benson, 1865)
Species Achatina fatalis E. von Martens, 1895 accepted as Lissachatina bloyeti (Bourguignat, 1890)
Species Achatina filosa L. Pfeiffer, 1855 accepted as Guillarmodia filosa (L. Pfeiffer, 1855)
Species Achatina flexuosa L. Pfeiffer, 1854 accepted as Oleacina flexuosa (L. Pfeiffer, 1854)
Species Achatina floccosa Spix, 1827 accepted as Plekocheilus floccosus (Spix, 1827)
Species Achatina foai (Germain, 1905) accepted as Bequaertina pellucida (Putzeys, 1899)
Species Achatina foxcrofti L. Pfeiffer, 1861
Species Achatina fragilis Deshayes, 1863 † accepted as Pseudoleacina fragilis (Deshayes, 1863) †
Species Achatina fragilis E. A. Smith, 1899 accepted as Achatina nyikaensis Pilsbry, 1909
Species Achatina fraseri L. Pfeiffer, 1846
Species Achatina fulgens L. Pfeiffer, 1858 accepted as Glessula fulgens (L. Pfeiffer, 1858)
Species Achatina fulgurata L. Pfeiffer, 1853 accepted as Cochlitoma zebra fulgurata (L. Pfeiffer, 1853)
Species Achatina fulica Bowdich, 1822 accepted as Lissachatina fulica (Bowdich, 1822)
Species Achatina fuliginea L. Pfeiffer, 1854 accepted as Carelia bicolor (J. C. Jay, 1839)
Species Achatina fulminatrix E. von Martens, 1895 accepted as Achatina arctespirata Bourguignat, 1890
Species Achatina fulva sensu L. Pfeiffer, 1848 accepted as Achatina balteata Reeve, 1849
Species Achatina fulva sensu Deshayes, 1838 accepted as Achatina maculata Swainson, 1821
Species Achatina funcki L. Pfeiffer, 1848 accepted as Leptinaria lamellata lamellata (Potiez & Michaud, 1838)
Species Achatina fuscidula Morelet, 1858 accepted as Ischnoglessula fuscidula (Morelet, 1858)
Species Achatina fuscolabris E. von Martens, 1860 accepted as Metachatina kraussi (L. Pfeiffer, 1846)
Species Achatina fusiformis L. Pfeiffer, 1845 accepted as Euglandina binneyana (L. Pfeiffer, 1845)
Species Achatina gayana C. B. Adams, 1850 accepted as Euvaricella angiostoma (C. B. Adams, 1849)
Species Achatina gemma Reeve, 1850 accepted as Glessula gemma (Reeve, 1850)
Species Achatina gemmellariana Benoit, 1862 accepted as Cecilioides acicula (O. F. Müller, 1774)
Species Achatina ghiesbreghti (L. Pfeiffer, 1856) accepted as Euglandina ghiesbreghti (L. Pfeiffer, 1856)
Species Achatina glaucina E. A. Smith, 1899 accepted as Lissachatina glaucina (E. A. Smith, 1899)
Species Achatina glutinosa L. Pfeiffer, 1854 accepted as Lissachatina glutinosa (L. Pfeiffer, 1854)
Species Achatina gossei L. Pfeiffer, 1846 accepted as Costavarix gossei (L. Pfeiffer, 1846)
Species Achatina gouldii Reeve, 1850
Species Achatina gracilenta Morelet, 1867 accepted as Subulina gracilenta (Morelet, 1867)
Species Achatina gracilior C. B. Adams, 1850 accepted as Costavarix gossei (L. Pfeiffer, 1846)
Species Achatina gracillima L. Pfeiffer, 1839 accepted as Melaniella gracillima (L. Pfeiffer, 1839)
Species Achatina granulata Krauss, 1848 accepted as Cochlitoma granulata (Krauss, 1848)
Species Achatina granulata L. Pfeiffer, 1854 accepted as Achatina granulata Krauss, 1848
Species Achatina graueri Thiele, 1911 accepted as Bequaertina graueri (Thiele, 1911)
Species Achatina grevillei L. Pfeiffer, 1860 accepted as Archachatina marginata grevillei (L. Pfeiffer, 1860)
Species Achatina greyi S. I. Da Costa, 1907
Species Achatina griffithsii C. B. Adams, 1845 accepted as Varicella griffithii (C. B. Adams, 1845)
Species Achatina gruveli Dautzenberg, 1921 accepted as Achatina iostoma L. Pfeiffer, 1854
Species Achatina guadeloupensis L. Pfeiffer, 1857 accepted as Laevaricella guadeloupensis (L. Pfeiffer, 1857)
Species Achatina gundlachi L. Pfeiffer, 1850 accepted as Geostilbia aperta (Swainson, 1840)
Species Achatina hamillei Petit de la Saussaye, 1859 accepted as Lissachatina fulica hamillei (Petit de la Saussaye, 1859)
Species Achatina hastula W. H. Benson, 1860 accepted as Rishetia hastula (W. H. Benson, 1860)
Species Achatina hebes L. Pfeiffer, 1868 accepted as Glessula hebes (L. Pfeiffer, 1868)
Species Achatina hessei C. R. Boettger, 1913 accepted as Achatina iostoma L. Pfeiffer, 1854
Species Achatina histrio L. Pfeiffer, 1866 accepted as Varicella histrio (L. Pfeiffer, 1866)
Species Achatina hohenwarti Rossmässler, 1839 accepted as Hohenwartiana hohenwarti (Rossmässler, 1839)
Species Achatina hortensiae Morelet, 1866
Species Achatina hudiensis L. R. Cox, 1933 †
Species Achatina huegelii L. Pfeiffer, 1842 accepted as Glessula huegeli (L. Pfeiffer, 1842)
Species Achatina immaculata Lamarck, 1822 accepted as Lissachatina immaculata (Lamarck, 1822)
Species Achatina impressa L. Pfeiffer, 1853 accepted as Vagavarix impressa (L. Pfeiffer, 1853)
Species Achatina inaequalis L. Pfeiffer, 1855
Species Achatina incerta (Bourguignat, 1859) accepted as Gomphroa incerta (Bourguignat, 1859)
Species Achatina indotata Reeve, 1849 accepted as Cochlitoma zebra tigrina (H. Beck, 1837)
Species Achatina inflata Reuss, 1849 † accepted as Palaeoglandina gracilis (Zieten, 1832) †
Species Achatina infrafusca E. von Martens, 1897 accepted as Achatina balteata infrafusca E. von Martens, 1897
Species Achatina ingallsiana C. B. Adams, 1849 accepted as Euvaricella angiostoma (C. B. Adams, 1849)
Species Achatina inornata L. Pfeiffer, 1853 accepted as Glessula inornata (L. Pfeiffer, 1853)
Species Achatina insignis L. Pfeiffer, 1855 accepted as Euglandina insignis (L. Pfeiffer, 1855)
Species Achatina insularis Crowley & Pain, 1961 accepted as Achatina tincta Reeve, 1842
Species Achatina inusitata C. B. Adams, 1849 accepted as Spiraxis inusitatus (C. B. Adams, 1849)
Species Achatina involuta A. Gould, 1843 accepted as Subulona involuta (A. Gould, 1843)
Species Achatina iostoma L. Pfeiffer, 1854
Species Achatina iota C. B. Adams, 1845 accepted as Cecilioides iota (C. B. Adams, 1845)
Species Achatina iredalei Preston, 1910 accepted as Achatina allisa Reeve, 1849
Species Achatina isabellina L. Pfeiffer, 1846 accepted as Pittieria isabellina (L. Pfeiffer, 1846)
Species Achatina ivensi Furtado, 1886 accepted as Achatina pfeifferi Dunker, 1845
Species Achatina jacobi S. I. Da Costa, 1906 accepted as Achatina craveni E. A. Smith, 1881
Species Achatina janii De Betta & Martinati, 1855 accepted as Achatina veneta Strobel, 1855
Species Achatina javanica Reeve, 1849 accepted as Paropeas achatinaceum (L. Pfeiffer, 1846)
Species Achatina jerdoni Reeve, 1850 accepted as Glessula jerdoni (Reeve, 1850)
Species Achatina johnstoni E. A. Smith, 1899 accepted as Lissachatina johnstoni (E. A. Smith, 1899)
Species Achatina kilimae Dautzenberg, 1908 accepted as Lissachatina kilimae (Dautzenberg, 1908)
Species Achatina kirkii Craven, 1880 accepted as Pseudoglessula leroyi fasciata Connolly, 1923
Species Achatina kirkii E. A. Smith, 1880 accepted as Achatina craveni E. A. Smith, 1881
Species Achatina knorrii Jonas, 1839 accepted as Archachatina knorrii (Jonas, 1839)
Species Achatina kransii [sic] accepted as Achatina kraussi Reeve, 1842
Species Achatina kraussi Reeve, 1842 accepted as Cochlitoma zebra kraussi (Reeve, 1842)
Species Achatina lactea Reeve, 1842 accepted as Lissachatina lactea (Reeve, 1842)
Species Achatina laevigata L. Pfeiffer, 1855
Species Achatina lamarckiana L. Pfeiffer, 1847 accepted as Achatina panthera A. Férussac, 1832
Species Achatina lamellata Potiez & Michaud, 1838 accepted as Leptinaria unilamellata (A. d'Orbigny, 1838)
Species Achatina lattrei L. Pfeiffer, 1846 accepted as Streptostyla lattrei (L. Pfeiffer, 1846)
Species Achatina layardi L. Pfeiffer, 1858 accepted as Lissachatina layardi (L. Pfeiffer, 1858)
Species Achatina leacociana R. T. Lowe, 1852 accepted as Pyrgella leacociana (R. T. Lowe, 1852)
Species Achatina lechaptoisi Ancey, 1894 accepted as Achatina panthera A. Férussac, 1832
Species Achatina leptospira W. H. Benson, 1865 accepted as Glessula leptospira (W. H. Benson, 1865)
Species Achatina letourneuxi Bourguignat, 1879 accepted as Lissachatina fulica hamillei (Petit de la Saussaye, 1859)
Species Achatina leucostyla Pilsbry, 1904 accepted as Lissachatina fulica hamillei (Petit de la Saussaye, 1859)
Species Achatina levis C. B. Adams, 1849 accepted as Euvaricella levis (C. B. Adams, 1849)
Species Achatina lhotelleriana Preston, 1909 accepted as Achatina tincta Reeve, 1842
Species Achatina lhotellerii Bourguignat, 1879 accepted as Lissachatina zanzibarica (Bourguignat, 1879)
Species Achatina liebmanni L. Pfeiffer, 1846 accepted as Euglandina liebmanni (L. Pfeiffer, 1846)
Species Achatina ligata C. B. Adams, 1849 accepted as Varicella ligata (C. B. Adams, 1849)
Species Achatina lignaria Reeve, 1849 accepted as Euglandina aurata (Morelet, 1849)
Species Achatina lineata Valenciennes, 1827 accepted as Liguus fasciatus (O. F. Müller, 1774)
Species Achatina linterae G. B. Sowerby III, 1890 accepted as Cochlitoma zebra linterae (G. B. Sowerby III, 1890)
Species Achatina lirifera Morelet, 1851 accepted as Mayaxis lirifera (Morelet, 1851)
Species Achatina livingstonei Melvill & Ponsonby, 1897 accepted as Cochlitoma livingstonei (Melvill & Ponsonby, 1897)
Species Achatina longispira C. B. Adams, 1850 accepted as Euvaricella longispira (C. B. Adams, 1850)
Species Achatina loveridgei (Clench & Archer, 1930) accepted as Lissachatina loveridgei (Clench & Archer, 1930)
Species Achatina lowei Paiva, 1866 accepted as Amphorella oryza (R. T. Lowe, 1852)
Species Achatina loxostoma Klein, 1853 † accepted as Hypnophila loxostoma (Klein, 1853) †
Species Achatina lubrica (O. F. Müller, 1774) accepted as Cochlicopa lubrica (O. F. Müller, 1774)
Species Achatina lubricella A. Braun, 1851 † accepted as Hypnophila subrimata (Reuss, 1849) †
Species Achatina lubricoides Potiez & Michaud, 1838 accepted as Hohenwartiana hohenwarti (Rossmässler, 1839)
Species Achatina lucida Poey, 1852 accepted as Opeas micra (A. d'Orbigny, 1835)
Species Achatina lucida R. A. Philippi, 1858
Species Achatina lunensis d'Ancona, 1867 † accepted as Palaeoglandina lunensis (d'Ancona, 1867) †
Species Achatina machachensis E. A. Smith, 1902 accepted as Cochlitoma machachensis (E. A. Smith, 1902)
Species Achatina maculata Swainson, 1821 accepted as Ampulla priamus (Gmelin, 1791)
Species Achatina madaziniana Clench & Archer, 1930 accepted as Lissachatina zanzibarica (Bourguignat, 1879)
Species Achatina magnifica L. Pfeiffer, 1848 accepted as Clathrorthalicus magnificus (L. Pfeiffer, 1848)
Species Achatina mamillata Craven, 1880 accepted as Subulina mamillata (Craven, 1880)
Species Achatina mandralisci Calcara, 1840 accepted as Allopeas gracile (T. Hutton, 1834)
Species Achatina maniensis L. Pfeiffer, 1855 accepted as Leptachatina maniensis (L. Pfeiffer, 1855)
Species Achatina margaritacea L. Pfeiffer, 1857 accepted as Salasiella margaritacea (L. Pfeiffer, 1857)
Species Achatina marginata Swainson, 1821 accepted as Archachatina marginata (Swainson, 1821)
Species Achatina mariei Ancey, 1894 accepted as Lissachatina immaculata (Lamarck, 1822)
Species Achatina marioni Matheron, 1868 † accepted as Palaeoglandina marioni (Matheron, 1868) †
Species Achatina marmorea Reeve, 1850 accepted as Petriola marmorea (Reeve, 1850)
Species Achatina marteli Dautzenberg, 1901 accepted as Bequaertina marteli (Dautzenberg, 1901)
Species Achatina mauritiana Lamarck, 1822 accepted as Lissachatina fulica (Bowdich, 1822)
Species Achatina melanostoma Spix, 1827 accepted as Achatina melastoma Swainson, 1823
Species Achatina melastoma Swainson, 1823 accepted as Corona regina (Bowdich, 1822)
Species Achatina micans C. B. Adams, 1849 accepted as Sigmataxis micans (C. B. Adams, 1849)
Species Achatina milneedwardsiana Revoil, 1885 accepted as Lissachatina fulica hamillei (Petit de la Saussaye, 1859)
Species Achatina minima Siemaschko, 1847 accepted as Cochlicopa lubricella (Porro, 1838)
Species Achatina minuta (Anton, 1838) accepted as Tornatellina minuta (Anton, 1838)
Species Achatina mitriformis R. T. Lowe, 1852 accepted as Amphorella mitriformis (R. T. Lowe, 1852)
Species Achatina modestior O. Boettger, 1905 accepted as Archachatina papyracea (L. Pfeiffer, 1845)
Species Achatina mollicella Morelet, 1860 accepted as Leptocala mollicella (Morelet, 1860)
Species Achatina monetaria Morelet, 1867 accepted as Achatina balteata Reeve, 1849
Species Achatina montana E. von Martens, 1866 accepted as Neoglessula montana (E. von Martens, 1866)
Species Achatina monticola Morelet, 1866 accepted as Petriola monticola (Morelet, 1866)
Species Achatina moreletiana Deshayes, 1851
Species Achatina morrelli Preston, 1905
Species Achatina mossambica Brancsik, 1893 accepted as Achatina panthera A. Férussac, 1832
Species Achatina mulanjensis Crowley & Pain, 1981 accepted as Achatina immaculata Lamarck, 1822
Species Achatina mullorum W. T. Blanford & H. F. Blanford, 1861 accepted as Glessula mullorum (W. T. Blanford & H. F. Blanford, 1861)
Species Achatina murrea Reeve, 1849 accepted as Liguus murreus (Reeve, 1849)
Species Achatina musaecola Morelet, 1860 accepted as Tomostele musaecola (Morelet, 1860)
Species Achatina muscorum Morelet, 1867 accepted as Pseudoglessula muscorum (Morelet, 1867)
Species Achatina nana Shuttleworth, 1852 accepted as Varicoglandina nana (Shuttleworth, 1852)
Species Achatina natalensis L. Pfeiffer, 1855 accepted as Cochlitoma natalensis (L. Pfeiffer, 1855)
Species Achatina naudoti [sic] † accepted as Palaeoglandina naudotii (Michelin, 1832) †
Species Achatina nebrodensis Benoit, 1862 accepted as Cecilioides acicula (O. F. Müller, 1774)
Species Achatina nemorensis C. B. Adams, 1849 accepted as Euvaricella nemorensis (C. B. Adams, 1849)
Species Achatina neumanni (Thiele, 1933) accepted as Brownisca neumanni (Thiele, 1933)
Species Achatina newcombi L. Pfeiffer, 1853 accepted as Carelia turricula (Mighels, 1845)
Species Achatina nigella Morelet, 1867 accepted as Homorus nigellus (Morelet, 1867)
Species Achatina nilagirica Reeve, 1850 accepted as Glessula nilagirica (Reeve, 1850)
Species Achatina nitens J. E. Gray, 1825 accepted as Glessula nitens (J. E. Gray, 1825)
Species Achatina nitida E. von Martens, 1894 accepted as Leptocallista grandidieriana (Bourguignat, 1890)
Species Achatina nitida C. B. Adams, 1850 accepted as Euvaricella nitida (C. B. Adams, 1850)
Species Achatina notigena W. H. Benson, 1860 accepted as Glessula notigena (W. H. Benson, 1860)
Species Achatina nyikaensis Pilsbry, 1909 accepted as Bequaertina pintoi (Bourguignat, 1890)
Species Achatina nympha L. Pfeiffer, 1842
Species Achatina oahuensis Green, 1827 accepted as Amastra turritella (A. Férussac, 1821)
Species Achatina obeliscus Reeve, 1850 accepted as Carelia turricula (Mighels, 1845)
Species Achatina obesa L. Pfeiffer, 1854 accepted as Cochlitoma zebra obesa (L. Pfeiffer, 1854)
Species Achatina oblitterata Dautzenberg, 1891 accepted as Achatina tincta Reeve, 1842
Species Achatina obscura S. I. Da Costa, 1907
Species Achatina obtusa (Connolly, 1931) accepted as Brownisca obtusa (Connolly, 1931)
Species Achatina occidentalis Pilsbry, 1904 accepted as Cochlitoma natalensis (L. Pfeiffer, 1855)
Species Achatina octona (Bruguière, 1789) accepted as Subulina octona (Bruguière, 1789)
Species Achatina oedigyra Melvill & Ponsonby, 1894 accepted as Cochlitoma crawfordi (Morelet, 1889)
Species Achatina oligostropha Reuss, 1849 † accepted as Pseudoleacina oligostropha (Reuss, 1849) †
Species Achatina oreas Reeve, 1850 accepted as Glessula oreas (Reeve, 1850)
Species Achatina orizabae L. Pfeiffer, 1857 accepted as Guillarmodia orizabae (L. Pfeiffer, 1857)
Species Achatina ornata L. Pfeiffer, 1846
Species Achatina orobia W. H. Benson, 1860 accepted as Glessula orobia (W. H. Benson, 1860)
Species Achatina orophila Reeve, 1849 accepted as Glessula orophila (Reeve, 1849)
Species Achatina oryza R. T. Lowe, 1852 accepted as Amphorella oryza (R. T. Lowe, 1852)
Species Achatina osborni Pilsbry, 1919
Species Achatina osculans C. B. Adams, 1850 accepted as Costavarix osculans (C. B. Adams, 1850)
Species Achatina ovata S. I. Da Costa, 1907 accepted as Achatina greyi S. I. Da Costa, 1907
Species Achatina ovum L. Pfeiffer, 1858 accepted as Archachatina marginata ovum (L. Pfeiffer, 1858)
Species Achatina pachycheila W. H. Benson, 1853 accepted as Glessula pachycheila (W. H. Benson, 1853)
Species Achatina paivana Morelet, 1866
Species Achatina pallens L. Pfeiffer, 1856 accepted as Petriola simpularia (Morelet, 1851)
Species Achatina pallida Swainson, 1821 accepted as Liguus fasciatus pallidus (Swainson, 1821)
Species Achatina panaetha W. H. Benson, 1860 accepted as Glessula panaetha (W. H. Benson, 1860)
Species Achatina panthera A. Férussac, 1832 accepted as Lissachatina immaculata (Lamarck, 1822)
Species Achatina pantherina E. von Martens, 1897 accepted as Lissachatina fulica hamillei (Petit de la Saussaye, 1859)
Species Achatina papyracea L. Pfeiffer, 1845 accepted as Archachatina papyracea (L. Pfeiffer, 1845)
Species Achatina parabilis W. H. Benson, 1856 accepted as Glessula parabilis (W. H. Benson, 1856)
Species Achatina paritura A. Gould, 1850 accepted as Neoglessula paritura (A. Gould, 1850)
Species Achatina paroliniana P. B. Webb & S. Berthelot, 1833 accepted as Amphorella triticea (R. T. Lowe, 1831)
Species Achatina parthenia Melvill & Ponsonby, 1903 accepted as Cochlitoma parthenia (Melvill & Ponsonby, 1903)
Species Achatina parvula Chitty, 1853 accepted as Spiraxis parvulus (Chitty, 1853)
Species Achatina passargei E. von Martens, 1900
Species Achatina paupercula W. T. Blanford & H. F. Blanford, 1861 accepted as Glessula paupercula (W. T. Blanford & H. F. Blanford, 1861)
Species Achatina paxillus Reeve, 1849 accepted as Trichodina paxillus (Reeve, 1849)
Species Achatina peguensis W. T. Blanford, 1865 accepted as Glessula peguensis (W. T. Blanford, 1865)
Species Achatina pellucens C. B. Adams, 1845 accepted as Euvaricella pellucens (C. B. Adams, 1845)
Species Achatina pellucida L. Pfeiffer, 1840 accepted as Blauneria heteroclita (Montagu, 1808)
Species Achatina penestes Melvill & Ponsonby, 1893 accepted as Cochlitoma penestes (Melvill & Ponsonby, 1893)
Species Achatina pentheri Sturany, 1898 accepted as Cochlitoma pentheri (Sturany, 1898)
Species Achatina perdix Lamarck, 1822 accepted as Achatina achatina (Linnaeus, 1758)
Species Achatina perfecta Morelet, 1867
Species Achatina perplexa C. B. Adams, 1850 accepted as Sigmataxis perplexus (C. B. Adams, 1850)
Species Achatina perroteti L. Pfeiffer, 1842 accepted as Glessula perroteti (L. Pfeiffer, 1842)
Species Achatina pertenuis W. T. Blanford, 1865 accepted as Rishetia pertenuis (W. T. Blanford, 1865)
Species Achatina peruviana Lamarck, 1822 accepted as Varicella peruviana (Lamarck, 1822)
Species Achatina perversa Spix, 1827
Species Achatina perversa Swainson, 1821 accepted as Corona perversa (Swainson, 1821)
Species Achatina petersi E. von Martens, 1860 accepted as Achatina glutinosa L. Pfeiffer, 1854
Species Achatina petitiana Benoit, 1862 accepted as Cecilioides tumulorum (Bourguignat, 1856)
Species Achatina petrensis Morelet, 1866 accepted as Subulina petrensis (Morelet, 1866)
Species Achatina pfeifferi Dunker, 1845
Species Achatina phillipsii C. B. Adams, 1845 accepted as Euvaricella phillipsii (C. B. Adams, 1845)
Species Achatina picta Reeve, 1842 accepted as Liguus fasciatus (O. F. Müller, 1774)
Species Achatina pilsbryi d'Ailly, 1910 accepted as Lissachatina albopicta (E. A. Smith, 1878)
Species Achatina pintoi (Bourguignat, 1890) accepted as Bequaertina pintoi (Bourguignat, 1890)
Species Achatina planti L. Pfeiffer, 1861 accepted as Metachatina kraussi var. planti (L. Pfeiffer, 1861)
Species Achatina plicatula L. Pfeiffer, 1851 accepted as Euglandina plicatula (L. Pfeiffer, 1851)
Species Achatina poeyana L. Pfeiffer, 1857 accepted as Liguus poeyanus (L. Pfeiffer, 1857)
Species Achatina polychroa Morelet, 1866
Species Achatina porphyrostoma Shuttleworth, 1852 accepted as Archachatina purpurea (Gmelin, 1790)
Species Achatina porrecta Gobanz, 1854 † accepted as Palaeoglandina porrecta (Gobanz, 1854) †
Species Achatina portoricensis L. Pfeiffer, 1849 accepted as Vagavarix portoricensis (L. Pfeiffer, 1849)
Species Achatina praelustris W. H. Benson, 1860 accepted as Glessula praelustris (W. H. Benson, 1860)
Species Achatina procera C. B. Adams, 1849 accepted as Varicella necrodes H. B. Baker, 1935
Species Achatina producta Reuss, 1849 † accepted as Pseudoleacina producta (Reuss, 1849) †
Species Achatina producta R. T. Lowe, 1852 accepted as Amphorella hypselia (Pilsbry, 1909)
Species Achatina propinqua C. B. Adams, 1845 accepted as Varicella propinqua (C. B. Adams, 1845)
Species Achatina proxima C. B. Adams, 1851 accepted as Varicella proxima (C. B. Adams, 1851)
Species Achatina prunum Reeve, 1849 accepted as Archachatina knorrii (Jonas, 1839)
Species Achatina puella C. B. Adams, 1850 accepted as Varicella puella (C. B. Adams, 1850)
Species Achatina pulchella E. von Martens, 1876 accepted as Leptocala mollicella (Morelet, 1860)
Species Achatina pulchella (L. Pfeiffer, 1856) accepted as Salasiella pfeifferi Pilsbry, 1899
Species Achatina pulchella Spix, 1827 accepted as Orthalicus pulchellus (Spix, 1827)
Species Achatina punctogallana L. Pfeiffer, 1852 accepted as Glessula punctogallana (L. Pfeiffer, 1852)
Species Achatina pusilla Scacchi, 1836 accepted as Cecilioides acicula (O. F. Müller, 1774)
Species Achatina putzeysi Dautzenberg & Germain, 1914 accepted as Leptocalina putzeysi (Dautzenberg & Germain, 1914)
Species Achatina pygmaea L. Pfeiffer, 1847 accepted as Cecilioides consobrina (A. d'Orbigny, 1841)
Species Achatina pyramis W. H. Benson, 1860 accepted as Glessula pyramis (W. H. Benson, 1860)
Species Achatina raffrayi Jousseaume, 1883 accepted as Leptocallista raffrayi (Jousseaume, 1883)
Species Achatina randabeli Bourguignat, 1890
Species Achatina rangiana L. Pfeiffer, 1847
Species Achatina rediviva Mabille, 1901 accepted as Lissachatina fulica (Bowdich, 1822)
Species Achatina reeveana L. Pfeiffer, 1849
Species Achatina reticulata L. Pfeiffer, 1845 accepted as Lissachatina reticulata (L. Pfeiffer, 1845)
Species Achatina retzii d'Ailly, 1910
Species Achatina rhabdota Melvill & Ponsonby, 1898 accepted as Cochlitoma ustulata (Lamarck, 1822)
Species Achatina rhodesiaca Melvill & Standen, 1907 accepted as Lissachatina capelloi rhodesiaca (Melvill & Standen, 1907)
Species Achatina rhodostoma R. A. Philippi, 1849 accepted as Archachatina rhodostoma (R. A. Philippi, 1849)
Species Achatina richardi L. Pfeiffer, 1854 accepted as Varicella richardi (L. Pfeiffer, 1854)
Species Achatina riisei L. Pfeiffer, 1852 accepted as Vagavarix portoricensis (L. Pfeiffer, 1849)
Species Achatina rillyensis de Boissy, 1848 † accepted as Scalaxis rillyensis (de Boissy, 1848) †
Species Achatina rizzeana Benoit, 1862
Species Achatina rodatzi Dunker, 1852 accepted as Lissachatina fulica rodatzi (Dunker, 1852)
Species Achatina rosea A. Férussac, 1821 accepted as Euglandina rosea (A. Férussac, 1821)
Species Achatina rucifex (Capello & Ivens, 1881)
Species Achatina rugosa Putzeys, 1899
Species Achatina salleana L. Pfeiffer, 1850 accepted as Leptinaria salleana (L. Pfeiffer, 1850)
Species Achatina sandbergeri Thomä, 1845 † accepted as Pseudoleacina sandbergeri (Thomä, 1845) †
Species Achatina sandwicensis L. Pfeiffer, 1846 accepted as Leptachatina sandwicensis (L. Pfeiffer, 1846)
Species Achatina sarissa W. H. Benson, 1860 accepted as Glessula sarissa (W. H. Benson, 1860)
Species Achatina sattaraensis Hanley & Theobald, 1873 accepted as Glessula sattaraensis (Hanley & Theobald, 1873)
Species Achatina scaevola Melvill & Ponsonby, 1893 accepted as Achatina smithii Craven, 1881
Species Achatina schencki E. von Martens, 1889 accepted as Cochlitoma dimidiata (E. A. Smith, 1878)
Species Achatina schinziana Mousson, 1888
Species Achatina schoutedeni Dautzenberg & Germain, 1914 accepted as Achatina transparens S. I. Da Costa, 1907
Species Achatina schuttleworthi L. Pfeiffer, 1856
Species Achatina schweinfurthi E. von Martens, 1874
Species Achatina scrutillus W. H. Benson, 1860 accepted as Glessula scrutillus (W. H. Benson, 1860)
Species Achatina sculpta L. Pfeiffer, 1856 accepted as Leptachatina sculpta (L. Pfeiffer, 1856)
Species Achatina sculpturata Neubert & Van Damme, 2012 † accepted as Arabicolaria sculpturata (Neubert & Van Damme, 2012) †
Species Achatina semidecussata L. Pfeiffer, 1846 accepted as Cochlitoma semidecussata (L. Pfeiffer, 1846)
Species Achatina semigranosa L. Pfeiffer, 1861 accepted as Cochlitoma semigranosa (L. Pfeiffer, 1861)
Species Achatina semisculpta L. Pfeiffer, 1845
Species Achatina semisulcata Deshayes, 1830 accepted as Oleacina semisulcata (Deshayes, 1830)
Species Achatina semitarum L. Pfeiffer, 1842 accepted as Laevaricella semitarum (L. Pfeiffer, 1842)
Species Achatina sennaariensis (L. Pfeiffer, 1853) accepted as Limicolaria sennaariensis (L. Pfeiffer, 1853)
Species Achatina serena W. H. Benson, 1860 accepted as Glessula serena (W. H. Benson, 1860)
Species Achatina shuttleworthi L. Pfeiffer, 1856 accepted as Callistoplepa shuttleworthi (L. Pfeiffer, 1856)
Species Achatina shuttleworthiana [sic] accepted as Achatina shuttleworthi L. Pfeiffer, 1856
Species Achatina sideratus Reeve, 1849 accepted as Archachatina siderata (Reeve, 1849)
Species Achatina similis de Boissy, 1848 † accepted as Scalaxis similis (de Boissy, 1848) †
Species Achatina similis C. B. Adams, 1850 accepted as Euvaricella biplicatula dissimilis (Pilsbry, 1909)
Species Achatina simplex E. A. Smith, 1878 accepted as Cochlitoma simplex (E. A. Smith, 1878)
Species Achatina simpularia Morelet, 1851 accepted as Petriola simpularia (Morelet, 1851)
Species Achatina sinistrorsa L. Pfeiffer, 1848 accepted as Archachatina bicarinata (Bruguière, 1792)
Species Achatina smithi G. B. Sowerby III, 1890 accepted as Achatina sowerbyi E. A. Smith, 1890
Species Achatina smithii Craven, 1881
Species Achatina sokotorana E. von Martens, 1881 accepted as Riebeckia sokotorana (E. von Martens, 1881)
Species Achatina solida Say, 1825 accepted as Liguus fasciatus (O. F. Müller, 1774)
Species Achatina solitaria C. B. Adams, 1851 accepted as Euvaricella solitaria (C. B. Adams, 1851)
Species Achatina sowerbyana L. Pfeiffer, 1846 accepted as Euglandina sowerbyana (L. Pfeiffer, 1846)
Species Achatina sowerbyi E. A. Smith, 1890 accepted as Leptocala mollicella (Morelet, 1860)
Species Achatina speciosa L. Pfeiffer, 1857 accepted as Guillarmodia speciosa (L. Pfeiffer, 1857)
Species Achatina specularis Morelet, 1866 accepted as Leptocalina specularis (Morelet, 1866)
Species Achatina spekei Dohrn, 1864
Species Achatina spiculum W. H. Benson, 1856 accepted as Cecilioides acicula (O. F. Müller, 1774)
Species Achatina splendens A. Braun, 1851 † accepted as Cochlicopa splendens (A. Braun, 1851) †
Species Achatina stefaninii Connolly, 1925 accepted as Brownisca stefaninii (Connolly, 1925)
Species Achatina stephaniana Benoit, 1862 accepted as Cecilioides acicula (O. F. Müller, 1774)
Species Achatina stewarti Green, 1827 accepted as Achatinella stewartii (Green, 1827)
Species Achatina stigmatica Shuttleworth, 1852 accepted as Varicoglandina stigmatica (Shuttleworth, 1852)
Species Achatina straminea Deshayes, 1851 accepted as Oleacina straminea (Deshayes, 1851)
Species Achatina streptostyla L. Pfeiffer, 1846 accepted as Streptostyla streptostyla (L. Pfeiffer, 1846)
Species Achatina striata I. Lea, 1841
Species Achatina strigosa Morelet, 1866 accepted as Pseudoglessula strigosa (Morelet, 1866)
Species Achatina striosa C. B. Adams, 1849 accepted as Leptinaria striosa (C. B. Adams, 1849)
Species Achatina studleyi Melvill & Ponsonby, 1897 accepted as Achatina tavaresiana Morelet, 1866
Species Achatina stuhlmanni E. von Martens, 1892
Species Achatina subcylindrica Preston, 1909 accepted as Cochlitoma transvaalensis (E. A. Smith, 1878)
Species Achatina subovata S. I. Da Costa, 1907 accepted as Achatina greyi S. I. Da Costa, 1907
Species Achatina subrimata Reuss, 1849 † accepted as Hypnophila subrimata (Reuss, 1849) †
Species Achatina subsulcosa Thomä, 1845 † accepted as Pseudoleacina subsulcosa (Thomä, 1845) †
Species Achatina subula L. Pfeiffer, 1839 accepted as Allopeas subula (L. Pfeiffer, 1839)
Species Achatina suturalis R. A. Philippi, 1849 accepted as Archachatina marginata suturalis (R. A. Philippi, 1849)
Species Achatina sylvatica Putzeys, 1899 accepted as Achatina putzeysi Dautzenberg & Germain, 1914
Species Achatina sylvatica (Spix, 1827) accepted as Obeliscus sylvaticus (Spix, 1827)
Species Achatina tamulica W. T. Blanford & H. F. Blanford, 1861 accepted as Glessula tamulica (W. T. Blanford & H. F. Blanford, 1861)
Species Achatina tandoniana Shuttleworth, 1852
Species Achatina tavaresiana Morelet, 1866
Species Achatina tenera C. B. Adams, 1850 accepted as Varicella tenera (C. B. Adams, 1850)
Species Achatina tentilis Blanford, 1866 accepted as Glessula tentilis (Blanford, 1866)
Species Achatina tenuispira W. H. Benson, 1836 accepted as Rishetia tenuispira (W. H. Benson, 1836)
Species Achatina terebella R. T. Lowe, 1852
Species Achatina terveri de Boissy, 1848 † accepted as Pseudoleacina terveri (de Boissy, 1848) †
Species Achatina texasiana L. Pfeiffer, 1856 accepted as Euglandina texasiana (L. Pfeiffer, 1856)
Species Achatina textilis W. T. Blanford, 1866 accepted as Glessula textilis (W. T. Blanford, 1866)
Species Achatina thermalis Bequaert & Clench, 1936 accepted as Leptocalina thermalis (Bequaert & Clench, 1936)
Species Achatina thomsoni E. A. Smith, 1880 accepted as Achatina spekei Dohrn, 1864
Species Achatina tigrina H. Beck, 1837 accepted as Cochlitoma zebra tigrina (H. Beck, 1837)
Species Achatina tincta Reeve, 1842
Species Achatina tincta sensu Gruvel, 1913 accepted as Achatina achatina elegans (Link, 1807)
Species Achatina togoensis Bequaert & Clench, 1934 accepted as Achatina achatina togoensis Bequaert & Clench, 1934
Species Achatina torrida A. Gould, 1843
Species Achatina tortillana L. Pfeiffer, 1846 accepted as Guillarmodia tortillana (L. Pfeiffer, 1846)
Species Achatina tracheia Connolly, 1929
Species Achatina transparens S. I. Da Costa, 1907
Species Achatina transvaalensis E. A. Smith, 1878 accepted as Cochlitoma transvaalensis (E. A. Smith, 1878)
Species Achatina trinitaria Poey, 1858 accepted as Varicella trinitaria (Poey, 1858)
Species Achatina trochlea L. Pfeiffer, 1842 accepted as Subulina octona (Bruguière, 1789)
Species Achatina trochlearis (L. Pfeiffer, 1842) accepted as Antonella trochlearis (L. Pfeiffer, 1842)
Species Achatina trypanodes L. Pfeiffer, 1856 accepted as Pseudosubulina trypanodes (L. Pfeiffer, 1856)
Species Achatina tuberculata R. T. Lowe, 1852 accepted as Amphorella tuberculata (R. T. Lowe, 1852)
Species Achatina turbinata I. Lea, 1841 accepted as Lignus turbinatus (I. Lea, 1841)
Species Achatina turricula Mighels, 1845 accepted as Carelia turricula (Mighels, 1845)
Species Achatina unicolor C. B. Adams, 1849 accepted as Euvaricella angiostoma (C. B. Adams, 1849)
Species Achatina usambarensis Rolle, 1895 accepted as Lissachatina zanzibarica (Bourguignat, 1879)
Species Achatina ustulata Lamarck, 1822 accepted as Cochlitoma ustulata (Lamarck, 1822)
Species Achatina vadalica W. H. Benson, 1865 accepted as Glessula vadalica (W. H. Benson, 1865)
Species Achatina vanuxemensis I. Lea, 1834 accepted as Euglandina vanuxemensis (I. Lea, 1834)
Species Achatina varicosa L. Pfeiffer, 1861 accepted as Cochlitoma varicosa (L. Pfeiffer, 1861)
Species Achatina variegata Lamarck, 1801 accepted as Achatina achatina (Linnaeus, 1758)
Species Achatina vassei Germain, 1918
Species Achatina veneta Strobel, 1855 accepted as Cecilioides veneta (Strobel, 1855)
Species Achatina ventricosa A. Gould, 1850 accepted as Archachatina ventricosa (A. Gould, 1850)
Species Achatina veru W. H. Benson, 1856 accepted as Cecilioides acicula (O. F. Müller, 1774)
Species Achatina veruina W. H. Benson, 1853 accepted as Glessula veruina (W. H. Benson, 1853)
Species Achatina vestita L. Pfeiffer, 1855 accepted as Cochlitoma vestita (L. Pfeiffer, 1855)
Species Achatina vialaii de Serres, 1844 † accepted as Palaeoglandina costellata vialaii (de Serres, 1844) †
Species Achatina vicina C. B. Adams, 1845 accepted as Varicella vicina (C. B. Adams, 1845)
Species Achatina vignoni Morelet, 1860 accepted as Pseudachatina vignoni (Morelet, 1860)
Species Achatina vignoniana Morelet, 1874
Species Achatina virens L. Pfeiffer, 1855
Species Achatina virgulata S. I. Da Costa, 1907
Species Achatina vitrea P. B. Webb & S. Berthelot, 1833 accepted as Ferussacia vitrea (P. B. Webb & S. Berthelot, 1833)
Species Achatina vittata Swainson, 1822 accepted as Liguus vittatus (Swainson, 1822)
Species Achatina vivipara G. B. Sowerby I, 1838
Species Achatina wallacei L. Pfeiffer, 1856 accepted as Glessula wallacei (L. Pfeiffer, 1856)
Species Achatina weberi Bequaert, 1950 accepted as Brownisca weberi (Bequaert, 1950)
Species Achatina welwitschi Morelet, 1866
Species Achatina weynsi Dautzenberg, 1900
Species Achatina wildemani Dautzenberg, 1908 accepted as Leptocalina specularis (Morelet, 1866)
Species Achatina yalaensis Germain, 1936 accepted as Oreohomorus connollyi (Odhner, 1932)
Species Achatina yatesi L. Pfeiffer, 1855 accepted as Subulina yatesi (L. Pfeiffer, 1855)
Species Achatina zanzibarica Bourguignat, 1879 accepted as Lissachatina zanzibarica (Bourguignat, 1879)
Species Achatina zebra (Bruguière, 1792) accepted as Cochlitoma zebra (Bruguière, 1792)
Species Achatina zebrina S. I. Da Costa, 1907 accepted as Achatina greyi S. I. Da Costa, 1907
Species Achatina zebriolata Morelet, 1866 accepted as Leptocalina zebriolata (Morelet, 1866)
Species Achatina zebroides E. A. Smith, 1878 accepted as Achatina zebra zebroides E. A. Smith, 1878
Species Achatina zebrula E. von Martens, 1900 accepted as Cochlitoma zebra (Bruguière, 1792)
Species Achatina zuluensis Connolly, 1939 accepted as Cochlitoma zuluensis (Connolly, 1939)
Genus Achatinus Montfort, 1810 accepted as Achatina Lamarck, 1799
Genus Achatium Link, 1807 accepted as Achatina Lamarck, 1799
Genus Agathina J. B. Férussac, 1807 accepted as Achatina Lamarck, 1799
Genus Agatina auct. accepted as Agathina J. B. Férussac, 1807
Genus Archachatina Albers, 1850 (13)
Genus Atopocochlis Crosse & P. Fischer, 1888 (2)
Genus Bequaertina Mead, 1994 (5)
Genus Brownisca Mead, 2004 (4)
Genus Bruggenina Mead, 2004 (6)
Genus Burtoa Bourguignat, 1890 (2)
Genus Burtopsis Bourguignat, 1890 accepted as Burtoa Bourguignat, 1890
Genus Cochlitoma A. Férussac, 1821 (32)
Genus Euaethiops Clench & Archer, 1930 accepted as Achatina (Euaethiopina) Bequaert, 1950
Genus Eutaxis Ancey, 1888
Genus Geodes Gistel, 1848 accepted as Achatina Lamarck, 1799
Genus Leptocalina Bequaert, 1950 (7)
Genus Leptocallista Pilsbry, 1904 (2)
Genus Lignus Gray, 1834 (11)
Genus Lissachatina Bequaert, 1950 (15)
Genus Livinhacia Crosse, 1889 accepted as Burtoa Bourguignat, 1890
Genus Megachatina Bequaert & Clench, 1936 accepted as Archachatina (Calachatina) Pilsbry, 1919
Genus Metachatina Pilsbry, 1904 (1)
Genus Oncaea Gistel, 1848 accepted as Achatina Lamarck, 1799
Genus Parachatina Bourguignat, 1890 accepted as Achatina Lamarck, 1799
Genus Perideris Shuttleworth, 1856 accepted as Lignus Gray, 1834
Genus Pseudachatina Albers, 1850 (13)
Genus Pseudotrochus Mörch, 1852 accepted as Lignus Gray, 1834
Genus Serpaea Bourguignat, 1890 accepted as Achatina Lamarck, 1799
Genus Tholachatina Bequaert, 1950 accepted as Cochlitoma A. Férussac, 1821
Genus Tripachatina Bourguignat, 1890 accepted as Achatina (Tripachatina) Bourguignat, 1890
Genus Urceus Mörch, 1857 accepted as Achatina Lamarck, 1799
Tribe Callistoplepini Mead, 1994 (4)
Tribe Limicolariini Schileyko, 1999 (41)
Subfamily Callistoplepinae Mead, 1994 accepted as Callistoplepini Mead, 1994
Subfamily Coeliaxinae Pilsbry, 1907 (21)
Subfamily Cryptelasminae Germain, 1916 (2)
Subfamily Glessulinae Godwin-Austen, 1920 (130)
Subfamily Limicolariinae Schileyko, 1999 accepted as Limicolariini Schileyko, 1999
Subfamily Opeatinae Thiele, 1931 (83)
Subfamily Petriolinae Schileyko, 1999 (214)
Subfamily Pyrgininae Germain, 1916 (2)
Subfamily Rishetiinae Schileyko, 1999 (53)
Subfamily Rumininae Wenz, 1923 (22)
Subfamily Stenogyrinae P. Fischer & Crosse, 1877 (76)
Subfamily Subulininae P. Fischer & Crosse, 1877 (425)
Subfamily Thyrophorellinae Girard, 1895 (1)
Genus Arabicolaria Harzhauser & Neubauer, 2016 † (3)
Genus Pacaudiella Harzhauser & Neubauer, 2016 † (2)
Family Aillyidae H. B. Baker, 1955 (2)
Family Ferrussacidae Bourguignat, 1883 accepted as Ferussaciidae Bourguignat, 1883
Family Ferussaciidae Bourguignat, 1883 (93)
Family Glessulidae Godwin-Austen, 1920 accepted as Glessulinae Godwin-Austen, 1920
Family Micractaeonidae Schileyko, 1999 (1)
Family Stenogyridae P. Fischer & Crosse, 1877 accepted as Stenogyrinae P. Fischer & Crosse, 1877
Family Subulinidae P. Fischer & Crosse, 1877 accepted as Subulininae P. Fischer & Crosse, 1877
Family Thyrophorellidae Girard, 1895 accepted as Thyrophorellinae Girard, 1895
Superfamily Streptaxoidea J. E. Gray, 1860 (1 571)
Suborder Elasmognatha accepted as Succineoidei
Suborder Helicina (21 624)
Suborder Orthurethra accepted as Pupilloidei
Suborder Scolodontina (165)
Suborder Sigmurethra accepted as Helicina
Suborder Stylommatophora incertae sedis (75)
Order Systellommatophora (224)
Superorder Hygrophila (2 005)
Superorder Pneumopulmonata
Superorder Pylopulmonata (4 285)
Superorder Sacoglossa (391)
Superorder Siphonarimorpha (163)
Order Anaspidea accepted as Aplysiida
Order Aplysiida (101)
Order Aplysiomorpha accepted as Aplysiida
Order Archaeopulmonata accepted as Siphonarioidea Gray, 1827
Order Bullomorpha accepted as Cephalaspidea
Order Cephalaspidea (1 034)
Order Heterostropha accepted as Pyramidellidae J. E. Gray, 1840
Order Pteropoda (414)
Order Runcinacea accepted as Runcinida
Order Runcinida (80)
Order Tectibranchiata
Order Thecosomata
Order Umbraculida (15)
Superorder Euthyneura incertae sedis
Infraclass Heterobranchia incertae sedis (478)
Infraclass Mesoneura (108)
Infraclass Opisthobranchia
Infraclass Pulmonata
Subclass Neomphaliones accepted as Vetigastropoda
Subclass Neritimorpha (1 914)
Subclass Orthogastropoda represented as Gastropoda
Subclass Patellogastropoda (511)
Subclass Prosobranchia
Subclass Psilogastropoda represented as Gastropoda
Subclass Vetigastropoda (6 782)
Class Lamellibranchiata accepted as Bivalvia
Class Loricata accepted as Polyplacophora
Class Mollusca incertae sedis † (372)
Class Monoplacophora (229)
Class Pelecypoda accepted as Bivalvia
Class Polyplacophora (1 377)
Class Polyplaxiphora accepted as Polyplacophora
Class Rostroconchia † (64)
Class Scaphopoda (752)
Class Solenoconchia accepted as Scaphopoda
Class Solenogastres (313)
Subclass Chaetodermomorpha accepted as Caudofoveata