1. Species Achatina achatina (Linnaeus, 1758)
   1. Subspecies Achatina achatina achatina (Linnaeus, 1758)
   2. Subspecies Achatina achatina bayoli Morelet, 1888
   3. Subspecies Achatina achatina depravata Bequaert, 1950
   4. Subspecies Achatina achatina elegans (Link, 1807)
   5. Subspecies Achatina achatina monochromatica Pilsbry, 1904
   6. Subspecies Achatina achatina roseolabiata Bequaert, 1950
   7. Subspecies Achatina achatina togoensis Bequaert & Clench, 1934
   8. Variety Achatina achatina var. monochromatica Pilsbry, 1904 accepted as Achatina achatina monochromatica Pilsbry, 1904 (unaccepted > superseded rank)
2. Species Achatina ampullacea O. Boettger, 1910
3. Species Achatina balteata Reeve, 1849
   1. Subspecies Achatina balteata balteata Reeve, 1849
   2. Subspecies Achatina balteata infrafusca E. von Martens, 1897
   3. Variety Achatina balteata var. vidaleti Germain, 1913 accepted as Achatina balteata Reeve, 1849 (junior synonym)
4. Species Achatina bandeirana Morelet, 1866
   1. Subspecies Achatina bandeirana arenaria Crowley & Pain, 1961
   2. Subspecies Achatina bandeirana mayumbensis Crowley & Pain, 1961
   3. Subspecies Achatina bandeirana capacior C. R. Boettger, 1927 accepted as Achatina bandeirana Morelet, 1866 (unaccepted > junior subjective synonym)
5. Species Achatina bayaona Morelet, 1866
6. Species Achatina bisculpta E. A. Smith, 1878
7. Species Achatina connollyi Preston, 1912
8. Species Achatina coroca van Bruggen, 1978
9. Species Achatina craveni E. A. Smith, 1881
10. Species Achatina dammarensis L. Pfeiffer, 1870
11. Species Achatina dohrniana L. Pfeiffer, 1870
12. Species Achatina greyi S. I. Da Costa, 1907
13. Species Achatina hortensiae Morelet, 1866
14. Species Achatina inaequalis L. Pfeiffer, 1855
15. Species Achatina iostoma L. Pfeiffer, 1854
16. Species Achatina morrelli Preston, 1905
    1. Variety Achatina morrelli var. kafuensis Melvill & Ponsonby, 1907 accepted as Achatina morrelli Preston, 1905 (unaccepted > junior subjective synonym)
17. Species Achatina obscura S. I. Da Costa, 1907
18. Species Achatina osborni Pilsbry, 1919
    1. Subspecies Achatina osborni afromontana Bequaert & Clench, 1934
    2. Subspecies Achatina osborni osborni Pilsbry, 1919
19. Species Achatina passargei E. von Martens, 1900
20. Species Achatina perfecta Morelet, 1867
21. Species Achatina pfeifferi Dunker, 1845
    1. Subspecies Achatina pfeifferi eugrapta Pilsbry, 1919
22. Species Achatina polychroa Morelet, 1866
23. Species Achatina randabeli Bourguignat, 1890
24. Species Achatina rugosa Putzeys, 1899
    1. Subspecies Achatina rugosa chapini Bequaert & Clench, 1934
    2. Subspecies Achatina rugosa rugosa Putzeys, 1899
25. Species Achatina schinziana Mousson, 1888
    1. Variety Achatina schinziana var. degenerata O. Boettger, 1910 accepted as Achatina schinziana Mousson, 1888 (suspected synonym)
26. Species Achatina schweinfurthi E. von Martens, 1874
    1. Subspecies Achatina schweinfurthi buchneri E. von Martens, 1882
    2. Subspecies Achatina schweinfurthi rhodacme Pilsbry, 1919
    3. Variety Achatina schweinfurthi var. foureaui Germain, 1905 accepted as Archachatina marginata marginata (Swainson, 1821) (junior synonym)
27. Species Achatina semisculpta L. Pfeiffer, 1845
28. Species Achatina smithii Craven, 1881
29. Species Achatina spekei Dohrn, 1864
30. Species Achatina stuhlmanni E. von Martens, 1892
31. Species Achatina tavaresiana Morelet, 1866
32. Species Achatina tincta Reeve, 1842
33. Species Achatina tracheia Connolly, 1929
34. Species Achatina transparens S. I. Da Costa, 1907
35. Species Achatina vassei Germain, 1918
36. Species Achatina vignoniana Morelet, 1874
37. Species Achatina virgulata S. I. Da Costa, 1907
38. Species Achatina welwitschi Morelet, 1866
39. Species Achatina weynsi Dautzenberg, 1900
    1. Variety Achatina weynsi var. duperthuisi Germain, 1907
40. Subgenus Achatina (Acicula) Risso, 1826 accepted as Cecilioides A. Férussac, 1814
    1. Species Achatina (Acicula) acicula (O. F. Müller, 1774) accepted as Cecilioides acicula (O. F. Müller, 1774) (unaccepted combination)
       1. Variety Achatina (Acicula) acicula var. major Paiva, 1867 accepted as Cecilioides major (Paiva, 1867) (unaccepted > junior homonym, invalid; not W. T. Blanford, 1865)
41. Subgenus Achatina (Amphorella) R. T. Lowe, 1852 accepted as Amphorella R. T. Lowe, 1852
42. Subgenus Achatina (Archachatina) Albers, 1850 accepted as Archachatina Albers, 1850 (original rank)
43. Subgenus Achatina (Carelia) H. Adams & A. Adams, 1855 accepted as Carelia H. Adams & A. Adams, 1855 (unaccepted > superseded rank)
44. Subgenus Achatina (Cochlycopa) Hanley, 1841 accepted as Ampulla Röding, 1798
45. Subgenus Achatina (Corona) Albers, 1850 accepted as Corona Albers, 1850 (original rank)
46. Subgenus Achatina (Cylichnidia) R. T. Lowe, 1852 accepted as Cylichnidia R. T. Lowe, 1852
    1. Species Achatina (Cylichnidia) cylichna R. T. Lowe, 1852 † accepted as Cylichnidia cylichna (R. T. Lowe, 1852) † (unaccepted > superseded combination)
47. Subgenus Achatina (Electra) Albers, 1850 accepted as Electra Albers, 1850
    1. Species Achatina (Electra) theobaldi Hanley & Theobald, 1870 accepted as Bacillum theobaldi (Hanley & Theobald, 1870) (original combination)
48. Subgenus Achatina (Euaethiopina) Bequaert, 1950 accepted as Lissachatina Bequaert, 1950 (junior synonym)
    1. Species Achatina (Euaethiopina) loveridgei (Clench & Archer, 1930) accepted as Lissachatina loveridgei (Clench & Archer, 1930) (unaccepted > superseded combination)
    2. Species Achatina (Euaethiopina) obtusa (Connolly, 1931) accepted as Brownisca obtusa (Connolly, 1931) (unaccepted > superseded combination)
49. Subgenus Achatina (Fusillus) R. T. Lowe, 1852 accepted as Amphorella R. T. Lowe, 1852 (junior synonym)
50. Subgenus Achatina (Glandina) Schumacher, 1817 accepted as Glandina Schumacher, 1817
    1. Species Achatina (Glandina) albersi L. Pfeiffer, 1854 accepted as Guillarmodia albersi (L. Pfeiffer, 1854) (original combination)
    2. Species Achatina (Glandina) glabra L. Pfeiffer, 1846 accepted as Laevaricella glabra (L. Pfeiffer, 1846) (unaccepted > superseded combination)
    3. Species Achatina (Glandina) philippiana L. Pfeiffer, 1846 accepted as Varicella philippiana (L. Pfeiffer, 1846) (original combination)
    4. Species Achatina (Glandina) turris L. Pfeiffer, 1846 accepted as Euglandina turris (L. Pfeiffer, 1846) (original combination)
    5. Species Achatina (Glandina) conularis L. Pfeiffer, 1855 (uncertain > unassessed)
    6. Species Achatina (Glandina) filosa L. Pfeiffer, 1855 (uncertain > unassessed)
    7. Species Achatina (Glandina) insignis L. Pfeiffer, 1855 (uncertain > unassessed)
    8. Species Achatina (Glandina) largillierti L. Pfeiffer, 1846 (uncertain > taxon inquirendum)
    9. Species Achatina (Glandina) lindoni L. Pfeiffer, 1847 (uncertain > taxon inquirendum)
    10. Species Achatina (Glandina) nystiana L. Pfeiffer, 1855 (uncertain > unassessed)
    11. Species Achatina (Glandina) yucatanensis L. Pfeiffer, 1846 (uncertain > taxon inquirendum)
51. Subgenus Achatina (Glessula) E. von Martens, 1860 accepted as Glessula E. von Martens, 1860
    1. Species Achatina (Glessula) isis Hanley, 1876 accepted as Glessula isis (Hanley, 1876) (basionym)
    2. Species Achatina (Glessula) obtusa W. T. Blanford, 1869 accepted as Bacillum obtusum (W. T. Blanford, 1869) (original combination)
    3. Species Achatina (Glessula) senator Hanley, 1876 accepted as Glessula senator (Hanley, 1876) (original combination)
    4. Species Achatina (Glessula) subfusiformis W. T. Blanford, 1869 accepted as Glessula subfusiformis (W. T. Blanford, 1869) (original combination)
52. Subgenus Achatina (Homorus) Albers, 1850 accepted as Homorus Albers, 1850 (original rank)
    1. Species Achatina (Homorus) monacha Morelet, 1886 accepted as Petriola monacha (Morelet, 1886) (unaccepted > superseded combination)
    2. Species Achatina (Homorus) pyramidella E. von Martens, 1892 accepted as Homorus pyramidellus (E. von Martens, 1892) (original combination)
53. Subgenus Achatina (Hypselia) R. T. Lowe, 1855 accepted as Amphorella R. T. Lowe, 1852
54. Subgenus Achatina (Leptinaria) H. Beck, 1837 accepted as Leptinaria H. Beck, 1837 (original rank)
    1. Species Achatina (Leptinaria) turrita (Anton, 1838) accepted as Strobilus turritus (Anton, 1838)
55. Subgenus Achatina (Leptocala) Ancey, 1888 accepted as Leptocala Ancey, 1888
56. Subgenus Achatina (Leptocalina) Bequaert, 1950 accepted as Leptocalina Bequaert, 1950 (unaccepted > superseded rank)
    1. Species Achatina (Leptocalina) brooksi Bequaert & Clench, 1934 accepted as Leptocalina brooksi (Bequaert & Clench, 1934)
    2. Species Achatina (Leptocalina) colubrina Morelet, 1866 accepted as Achatina colubrina Morelet, 1866
    3. Species Achatina (Leptocalina) dewittei Bequaert & Clench, 1934 accepted as Leptocalina dewittei (Bequaert & Clench, 1934)
    4. Species Achatina (Leptocalina) putzeysi (Dautzenberg & Germain, 1914) accepted as Leptocalina putzeysi (Dautzenberg & Germain, 1914)
    5. Species Achatina (Leptocalina) specularis Morelet, 1866 accepted as Leptocalina specularis (Morelet, 1866)
    6. Species Achatina (Leptocalina) thermalis Bequaert & Clench, 1936 accepted as Leptocalina thermalis (Bequaert & Clench, 1936)
    7. Species Achatina (Leptocalina) zebriolata Morelet, 1866 accepted as Leptocalina zebriolata (Morelet, 1866)
57. Subgenus Achatina (Leptocallista) Pilsbry, 1904 accepted as Leptocallista Pilsbry, 1904 (unaccepted > superseded rank)
    1. Species Achatina (Leptocallista) arthuri Bequaert, 1950 (accepted > unreplaced junior homonym)
    2. Species Achatina (Leptocallista) grandidieriana (Bourguignat, 1890) accepted as Leptocallista grandidieriana (Bourguignat, 1890)
58. Subgenus Achatina (Limicolaria) Schumacher, 1817 accepted as Limicolaria Schumacher, 1817
    1. Species Achatina (Limicolaria) cailliaudi (L. Pfeiffer, 1850) accepted as Limicolaria cailliaudi (L. Pfeiffer, 1850) (unaccepted > superseded combination)
    2. Species Achatina (Limicolaria) festiva E. von Martens, 1870 accepted as Limicolaria cailliaudi (L. Pfeiffer, 1850) (junior synonym)
    3. Species Achatina (Limicolaria) flammea (O. F. Müller, 1774) accepted as Limicolaria flammea (O. F. Müller, 1774)
       1. Variety Achatina (Limicolaria) flammea var. festiva E. von Martens, 1870 accepted as Limicolaria cailliaudi (L. Pfeiffer, 1850)
    4. Species Achatina (Limicolaria) heuglini E. von Martens, 1866 accepted as Limicolaria cailliaudi heuglini (E. von Martens, 1866) (original combination)
    5. Species Achatina (Limicolaria) martensiana E. A. Smith, 1880 accepted as Limicolaria martensiana (E. A. Smith, 1880) (superseded combination)
    6. Species Achatina (Limicolaria) rectistrigata E. A. Smith, 1880 accepted as Limicolaria rectistrigata (E. A. Smith, 1880) (superseded combination)
    7. Species Achatina (Limicolaria) sennaariensis (L. Pfeiffer, 1853) accepted as Limicolaria sennaariensis (L. Pfeiffer, 1853) (unaccepted > superseded combination)
       1. Variety Achatina (Limicolaria) senaariensis var. gracilis E. von Martens, 1870 accepted as Limicolaria cailliaudi (L. Pfeiffer, 1850) (junior synonym)
       2. Variety Achatina (Limicolaria) sennaariensis var. hartmanni E. von Martens, 1865 accepted as Limicolaria cailliaudi (L. Pfeiffer, 1850) (junior synonym)
    8. Species Achatina (Limicolaria) turbinata (I. Lea, 1841) accepted as Lignus turbinatus (I. Lea, 1841) (unaccepted > superseded combination)
59. Subgenus Achatina (Lissachatina) Bequaert, 1950 accepted as Lissachatina Bequaert, 1950 (original combination)
    1. Species Achatina (Lissachatina) allisa Reeve, 1849 accepted as Lissachatina allisa (Reeve, 1849) (unaccepted > superseded combination)
    2. Species Achatina (Lissachatina) bayaona Morelet, 1866 accepted as Achatina (Achatina) bayaona Morelet, 1866 (unaccepted > superseded combination)
    3. Species Achatina (Lissachatina) bayoniana Morelet, 1866 accepted as Achatina bayaona Morelet, 1866 (unnecessary emendation)
    4. Species Achatina (Lissachatina) connollyi Preston, 1912 accepted as Achatina (Achatina) connollyi Preston, 1912 (unaccepted > superseded combination)
    5. Species Achatina (Lissachatina) craveni E. A. Smith, 1881 accepted as Achatina (Achatina) craveni E. A. Smith, 1881 (unaccepted > superseded combination)
    6. Species Achatina (Lissachatina) eleanorae Mead, 1995 accepted as Lissachatina eleanorae (Mead, 1995) (basionym)
    7. Species Achatina (Lissachatina) fulica Bowdich, 1822 accepted as Lissachatina fulica (Bowdich, 1822) (unaccepted > superseded combination)
       1. Subspecies Achatina (Lissachatina) fulica fulica Bowdich, 1822 accepted as Lissachatina fulica (Bowdich, 1822) (unaccepted > superseded combination)
    8. Species Achatina (Lissachatina) immaculata Lamarck, 1822 accepted as Lissachatina immaculata (Lamarck, 1822) (unaccepted > superseded combination)
    9. Species Achatina (Lissachatina) layardi L. Pfeiffer, 1858 accepted as Lissachatina layardi (L. Pfeiffer, 1858) (unaccepted > superseded combination)
    10. Species Achatina (Lissachatina) loveridgei (Clench & Archer, 1930) accepted as Lissachatina loveridgei (Clench & Archer, 1930) (unaccepted > superseded combination)
    11. Species Achatina (Lissachatina) reticulata L. Pfeiffer, 1845 accepted as Lissachatina reticulata (L. Pfeiffer, 1845) (unaccepted > superseded combination)
    12. Species Achatina (Lissachatina) vassei Germain, 1918 accepted as Achatina (Achatina) vassei Germain, 1918 (unaccepted > superseded combination)
    13. Species Achatina (Lissachatina) yalaensis Germain, 1936 accepted as Oreohomorus connollyi (Odhner, 1932)
    14. Species Achatina (Lissachatina) zanzibarica Bourguignat, 1879 accepted as Lissachatina zanzibarica (Bourguignat, 1879) (unaccepted > superseded combination)
    15. Species Achatina (Lissachatina) glaucina E. A. Smith, 1899 represented as Achatina glaucina E. A. Smith, 1899
    16. Species Achatina (Lissachatina) glutinosa L. Pfeiffer, 1854 represented as Achatina glutinosa L. Pfeiffer, 1854
    17. Species Achatina (Lissachatina) mulanjensis Crowley & Pain, 1981 represented as Achatina mulanjensis Crowley & Pain, 1981
60. Subgenus Achatina (Livinhacia) Crosse, 1889 accepted as Burtoa Bourguignat, 1890
    1. Species Achatina (Livinhacia) nilotica (L. Pfeiffer, 1861) accepted as Burtoa nilotica (L. Pfeiffer, 1861)
       1. Variety Achatina (Livinhacia) nilotica var. emini E. von Martens, 1891 accepted as Burtoa nilotica giraudi (Bourguignat, 1885)
61. Subgenus Achatina (Macrospira) Swainson, 1840 accepted as Macrospira Swainson, 1840
    1. Species Achatina (Macrospira) aperta Swainson, 1840 accepted as Geostilbia aperta (Swainson, 1840) (basionym)
62. Subgenus Achatina (Oleacina) Röding, 1789 accepted as Oleacina Röding, 1789 (unaccepted rank)
    1. Species Achatina (Oleacina) binneyana L. Pfeiffer, 1855 accepted as Euglandina binneyana (L. Pfeiffer, 1845) (original combination)
63. Subgenus Achatina (Perideris) Shuttleworth, 1856 accepted as Pseudotrochus Mörch, 1852 (unaccepted > superseded combination)
    1. Species Achatina (Perideris) alabaster (Rang, 1831) accepted as Lignus alabaster (Rang, 1831) (unaccepted > superseded combination)
64. Subgenus Achatina (Pseudachatina) Albers, 1850 accepted as Pseudachatina Albers, 1850 (original rank)
65. Subgenus Achatina (Pyrgella) R. T. Lowe, 1855 accepted as Pyrgella R. T. Lowe, 1855 (original rank)
66. Subgenus Achatina (Stenogyra) Shuttleworth, 1854 accepted as Stenogyra Shuttleworth, 1854
    1. Species Achatina (Stenogyra) decollata Morelet, 1873 accepted as Stenogyra invalida Morelet, 1885 (junior primary homonym of Achatina decollata Linnaeus, 1758)
    2. Species Achatina (Stenogyra) octona (Bruguière, 1789) accepted as Subulina octona (Bruguière, 1789) (unaccepted > superseded combination)
67. Subgenus Achatina (Subulina) H. Beck, 1837 accepted as Subulina H. Beck, 1837 (original rank)
    1. Species Achatina (Subulina) costulata Greeff, 1882 accepted as Petriola monticola (Morelet, 1866)
    2. Species Achatina (Subulina) involuta A. Gould, 1843 accepted as Subulona involuta (A. Gould, 1843)
    3. Species Achatina (Subulina) shiplayi L. Pfeiffer, 1856 accepted as Glessula shiplayi (L. Pfeiffer, 1856) (original combination)
    4. Species Achatina (Subulina) subcrenata Greeff, 1882 accepted as Petriola monticola (Morelet, 1866)
68. Species Achatina aberrans L. Pfeiffer, 1846 accepted as Sigmataxis laeviusculus (C. B. Adams, 1845) (unaccepted > junior subjective synonym)
69. Species Achatina accincta A. Gould, 1852 accepted as Achatina accineta Mighels, 1845 (unaccepted > junior objective synonym)
70. Species Achatina accineta Mighels, 1845 accepted as Leptachatina accineta (Mighels, 1845) (unaccepted > superseded combination)
71. Species Achatina actoniana Benoit, 1862 accepted as Cecilioides actoniana (Benoit, 1862) (original combination)
72. Species Achatina acuminata Baudon, 1853 † accepted as Litiopa acuminata (Baudon, 1853) † (unaccepted > superseded combination)
73. Species Achatina acuta Lamarck, 1822 accepted as Lissachatina fulica (Bowdich, 1822) (unaccepted > junior subjective synonym)
74. Species Achatina adamsiana Chitty, 1853 accepted as Costavarix adamsianus (Chitty, 1853) (original combination)
75. Species Achatina adamsii L. Pfeiffer, 1846 accepted as Costavarix costulatus (C. B. Adams, 1845) (unnecessary replacement name)
76. Species Achatina adusta A. Gould, 1845 accepted as Carelia bicolor (J. C. Jay, 1839) (unaccepted > junior subjective synonym)
77. Species Achatina afromontana Bequaert & Clench, 1934 accepted as Achatina osborni afromontana Bequaert & Clench, 1934
78. Species Achatina albicans L. Pfeiffer, 1851 accepted as Achatina allisa Reeve, 1849 (unaccepted > junior subjective synonym)
79. Species Achatina albolineata Lamarck, 1822 accepted as Varicella leucozonias (Gmelin, 1791) (unaccepted > junior subjective synonym)
80. Species Achatina albopicta E. A. Smith, 1878 accepted as Lissachatina albopicta (E. A. Smith, 1878) (superseded combination)
81. Species Achatina algira (Bruguière, 1792) accepted as Poiretia algira (Bruguière, 1792) (unaccepted combination)
    1. Variety Achatina algira var. polyphaemus (temporary name)
       1. Subvariety Achatina algira var. polyphaemus dilatatus R. A. Philippi, 1836 accepted as Poiretia dilatata (R. A. Philippi, 1836) (unaccepted > superseded combination)
82. Species Achatina allisa Reeve, 1849 accepted as Lissachatina allisa (Reeve, 1849) (original combination)
83. Species Achatina ambigua L. Pfeiffer, 1857 accepted as Pittieria ambigua (L. Pfeiffer, 1857) (original combination)
84. Species Achatina amentum Reeve, 1849 accepted as Glessula amentum (Reeve, 1849) (original combination)
85. Species Achatina amphora H. Beck, 1837 accepted as Achatina achatina (Linnaeus, 1758) (junior synonym)
86. Species Achatina anamullica W. T. Blanford, 1866 accepted as Glessula anamullica (W. T. Blanford, 1866) (original combination)
87. Species Achatina angiostoma C. B. Adams, 1849 accepted as Euvaricella angiostoma (C. B. Adams, 1849) (original combination)
88. Species Achatina anomala L. Pfeiffer, 1846 accepted as Leptinaria anomala (L. Pfeiffer, 1846) (basionym)
89. Species Achatina antinorii Morelet, 1872 accepted as Homorus antorinii (Morelet, 1872) (original combination)
90. Species Achatina antourtourensis Crosse, 1879 accepted as Achatina immaculata Lamarck, 1822 (junior synonym)
91. Species Achatina aradasiana Benoit, 1862 accepted as Hohenwartiana aradasiana (Benoit, 1862) (original combination)
92. Species Achatina arctespirata Bourguignat, 1890 accepted as Achatina randabeli Bourguignat, 1890 (synonym)
93. Species Achatina ariel Preston, 1910 accepted as Neoglessula ariel (Preston, 1910) (original combination)
94. Species Achatina arthuri W. H. Benson, 1864 accepted as Glessula arthuri (W. H. Benson, 1864) (original combination)
95. Species Achatina assimilis Reeve, 1849 accepted as Euglandina assimilis (Reeve, 1849) (original combination)
96. Species Achatina atramentaria L. Pfeiffer, 1855 accepted as Sultana atramentaria (L. Pfeiffer, 1855) (original combination)
97. Species Achatina attenuata L. Pfeiffer, 1853 accepted as Guillarmodia attenuata (L. Pfeiffer, 1853) (unaccepted > superseded combination, basionym)
98. Species Achatina aurelianensis Deshayes, 1863 † accepted as Cochlicopa aurelianensis (Deshayes, 1863) † (unaccepted > superseded combination)
99. Species Achatina aurora L. Pfeiffer, 1855 accepted as Archachatina purpurea (Gmelin, 1790) (junior synonym)
100. Species Achatina balanus Reeve, 1850 accepted as Cecilioides balanus (Reeve, 1850) (original combination)
101. Species Achatina balteata A. Gould, 1850 accepted as Achatina gouldii Reeve, 1850 (invalid: junior primary homonym of Achatina balteata Reeve, 1849: Achatina gouldii Reeve, 1850 is a replacement name.)
102. Species Achatina barbigera Morelet, 1866 accepted as Achatina marmorea Reeve, 1850 (junior synonym)
103. Species Achatina barriana G. B. Sowerby III, 1890 accepted as Callistoplepa barriana (G. B. Sowerby III, 1890) (original combination)
104. Species Achatina bayoli Morelet, 1888 accepted as Achatina achatina bayoli Morelet, 1888 (unaccepted > superseded rank)
105. Species Achatina bayoniana Morelet, 1866 accepted as Achatina bayaona Morelet, 1866 (unaccepted > unjustified emendation)
106. Species Achatina beddomei W. T. Blanford, 1866 accepted as Glessula beddomei (W. T. Blanford, 1866) (unaccepted > superseded combination)
107. Species Achatina bensoniana L. Pfeiffer, 1851 accepted as Glessula bensoniana (L. Pfeiffer, 1851) (original combination)
108. Species Achatina berendti L. Pfeiffer, 1862 accepted as Pseudosubulina berendti (L. Pfeiffer, 1862) (unaccepted > superseded combination)
109. Species Achatina bicolor J. C. Jay, 1839 accepted as Carelia bicolor (J. C. Jay, 1839) (unaccepted > superseded combination)
110. Species Achatina blainiana Poey, 1852 accepted as Liguus fasciatus blainianus (Poey, 1852) (original combination)
111. Species Achatina blandiana C. B. Adams, 1850 accepted as Varicella blandiana (C. B. Adams, 1850)
112. Species Achatina bloyeti Bourguignat, 1890 accepted as Lissachatina bloyeti (Bourguignat, 1890) (original combination)
     1. Variety Achatina bloyeti var. fatalis E. von Martens, 1895 accepted as Lissachatina bloyeti (Bourguignat, 1890)
113. Species Achatina boreti J. E. Gray, 1825 accepted as Poiretia algira (Bruguière, 1792) (unaccepted > junior subjective synonym)
114. Species Achatina borniana H. Beck, 1837 accepted as Achatina zebra (Bruguière, 1792) (junior synonym)
115. Species Achatina botellus W. H. Benson, 1860 accepted as Glessula botellus (W. H. Benson, 1860) (original combination)
116. Species Achatina bottampotana Hanley & Theobald, 1876 accepted as Glessula bottampotana (Hanley & Theobald, 1876) (original combination)
117. Species Achatina brevis L. Pfeiffer, 1862 accepted as Glessula brevis (L. Pfeiffer, 1862) (original combination)
118. Species Achatina brooksi Bequaert & Clench, 1934 accepted as Leptocalina brooksi (Bequaert & Clench, 1934) (original combination)
119. Species Achatina buchneri E. von Martens, 1882 accepted as Achatina schweinfurthi buchneri E. von Martens, 1882
120. Species Achatina bulimoides L. Pfeiffer, 1847 accepted as Fernandezia bulimoides (L. Pfeiffer, 1847) (original combination)
121. Species Achatina burnupi E. A. Smith, 1890 accepted as Cochlitoma dimidiata (E. A. Smith, 1878) (junior subjective synonym)
122. Species Achatina cailleana (Morelet, 1858) accepted as Lignus cailleanus (Morelet, 1848) (unaccepted > superseded combination)
123. Species Achatina calavarica L. Pfeiffer, 1866 accepted as Pseudoglessula clavata (J. E. Gray, 1837) (unaccepted > junior subjective synonym)
124. Species Achatina californica L. Pfeiffer, 1846 accepted as Rhodea californica (L. Pfeiffer, 1846) (original combination)
125. Species Achatina camerunensis d'Ailly, 1896 accepted as Archachatina camerunensis (d'Ailly, 1896) (original combination)
126. Species Achatina candida Shuttleworth, 1852 accepted as Euglandina candida (Shuttleworth, 1852) (original combination)
127. Species Achatina capelloi Furtado, 1886 accepted as Lissachatina capelloi (Furtado, 1886) (original combination)
128. Species Achatina capensis Albers, 1860 accepted as Cochlitoma zebra (Bruguière, 1792) (unaccepted > junior subjective synonym)
129. Species Achatina capillacea L. Pfeiffer, 1855 accepted as Glessula capillacea (L. Pfeiffer, 1855) (original combination)
130. Species Achatina cassiaca Reeve, 1849 accepted as Bacillum cassiacum (Reeve, 1849) (original combination)
131. Species Achatina castanea Lamarck, 1822 accepted as Lissachatina fulica castanea (Lamarck, 1822) (unaccepted > superseded combination)
132. Species Achatina cereola Morelet, 1860 accepted as Subulina cereola (Morelet, 1860) (unaccepted > superseded combination)
133. Species Achatina ceylanica L. Pfeiffer, 1845 accepted as Glessula ceylanica (L. Pfeiffer, 1845) (original combination)
134. Species Achatina chaperi Ancey, 1888 accepted as Achatina achatina elegans (Link, 1807) (unaccepted > junior subjective synonym)
135. Species Achatina chemnitziana L. Pfeiffer, 1842 accepted as Achatina zebra (Bruguière, 1792)
136. Species Achatina chessoni W. H. Benson, 1860 accepted as Glessula chessoni (W. H. Benson, 1860) (original combination)
137. Species Achatina chiapasensis L. Pfeiffer, 1856 accepted as Mayaxis chiapensis (L. Pfeiffer, 1856) (original combination)
138. Species Achatina chilensis (Lesson, 1830) accepted as Plectostylus chilensis (Lesson, 1830) (unaccepted > superseded combination)
139. Species Achatina chrysallis L. Pfeiffer, 1855 accepted as Pauahia chrysallis (L. Pfeiffer, 1855) (unaccepted > superseded combination)
140. Species Achatina chrysoleuca Pilsbry, 1897 accepted as Lissachatina fulica rodatzi (Dunker, 1852) (junior synonym)
141. Species Achatina churchilliana Melvill & Ponsonby, 1895 accepted as Cochlitoma churchilliana (Melvill & Ponsonby, 1895) (original combination)
142. Species Achatina cinnamomea Melvill & Ponsonby, 1894 accepted as Cochlitoma cinnamomea (Melvill & Ponsonby, 1894) (original combination)
143. Species Achatina clavata J. E. Gray, 1837 accepted as Pseudoglessula clavata (J. E. Gray, 1837) (unaccepted > superseded combination)
144. Species Achatina clavus L. Pfeiffer, 1846 accepted as Petriola clavus (L. Pfeiffer, 1846) (original combination)
145. Species Achatina cochlea Reeve, 1849 accepted as Carelia cochlea (Reeve, 1849) (unaccepted > superseded combination)
146. Species Achatina collina Drouët, 1855 accepted as Cochlicopa collina (Drouët, 1855) (original combination)
147. Species Achatina colubrina Morelet, 1866 accepted as Leptocalina colubrina (Morelet, 1866) (unaccepted > superseded combination)
148. Species Achatina columnella Deshayes, 1863 † accepted as Scalaxis columnella (Deshayes, 1863) † (unaccepted > superseded combination)
149. Species Achatina comorensis L. Pfeiffer, 1856 accepted as Petriola comorensis (L. Pfeiffer, 1856) (original combination)
150. Species Achatina concentrica Reeve, 1849 accepted as Leptinaria lamellata concentrica (Reeve, 1849) (original combination)
151. Species Achatina conifera Reeve, 1849 accepted as Fernandezia conifera (Reeve, 1849) (original combination)
152. Species Achatina consimilis Reeve, 1849 accepted as Fernandezia consimilis (Reeve, 1849) (original combination)
153. Species Achatina cordieri Deshayes, 1863 † accepted as Palaeoglandina cordieri (Deshayes, 1863) † (unaccepted > superseded combination)
154. Species Achatina cordovana L. Pfeiffer, 1857 accepted as Guillarmodia cordovana (L. Pfeiffer, 1857) (original combination)
155. Species Achatina cornea Brumati, 1838 accepted as Poiretia cornea (Brumati, 1838) (original combination)
156. Species Achatina cornea Morelet, 1877 accepted as Petriola anjouanensis (Pilsbry, 1909) (invalid: junior homonym of Achatina cornea Brumati, 1838; Bocageia anjouanensis is a replacement name)
157. Species Achatina coronata L. Pfeiffer, 1846 accepted as Euglandina vanuxemensis (I. Lea, 1834) (unaccepted > junior subjective synonym)
158. Species Achatina corrosula L. Pfeiffer, 1856 accepted as Glessula corrosula (L. Pfeiffer, 1856) (original combination)
159. Species Achatina costellata (J. Sowerby, 1822) † accepted as Palaeoglandina costellata (J. Sowerby, 1822) † (unaccepted > superseded combination)
     1. Variety Achatina costellata var. abbreviata F. E. Edwards, 1852 † accepted as Palaeoglandina costellata abbreviata (F. E. Edwards, 1852) † (unaccepted > superseded combination)
160. Species Achatina costulata C. B. Adams, 1845 accepted as Costavarix costulatus (C. B. Adams, 1845) (original combination)
161. Species Achatina costulosa C. B. Adams, 1850 accepted as Varicella costulosa (C. B. Adams, 1850) (original combination)
162. Species Achatina couroupa Lesson, 1830 accepted as Lissachatina fulica (Bowdich, 1822) (unaccepted > junior subjective synonym)
163. Species Achatina crassilabris W. H. Benson, 1836 accepted as Glessula crassilabris (W. H. Benson, 1836) (original combination)
164. Species Achatina crassula Reeve, 1850 accepted as Glessula crassula (Reeve, 1850) (original combination)
165. Species Achatina crawfordi Morelet, 1889 accepted as Cochlitoma crawfordi (Morelet, 1889) (unaccepted > superseded combination)
166. Species Achatina crenatus Swainson, 1821 accepted as Liguus crenatus (Swainson, 1821) (unaccepted > superseded combination)
167. Species Achatina cumingii Shuttleworth, 1852 accepted as Archachatina marginata suturalis (R. A. Philippi, 1849) (invalid; preoccupied)
168. Species Achatina cuspidata de Boissy, 1848 † accepted as Scalaxis cuspidatus (de Boissy, 1848) † (unaccepted > superseded combination)
169. Species Achatina cyanostoma L. Pfeiffer, 1842 accepted as Homorus cyanostomus (L. Pfeiffer, 1842) (original combination)
170. Species Achatina cylindracea L. Pfeiffer, 1846 accepted as Streptostyla cylindracea (L. Pfeiffer, 1846) (original combination)
171. Species Achatina cylindrella Morelet, 1851 accepted as Mayaxis cylindrella (Morelet, 1851) (unaccepted > superseded combination)
172. Species Achatina dacostana Preston, 1909 accepted as Cochlitoma dacostana (Preston, 1909) (original combination)
173. Species Achatina dactylus Broderip, 1832 accepted as Euglandina striata (O. F. Müller, 1774) (unaccepted > junior subjective synonym)
174. Species Achatina daroliensis Kobelt, 1910 accepted as Lissachatina fulica rodatzi (Dunker, 1852) (unaccepted > junior subjective synonym, original name)
175. Species Achatina daudebarti Deshayes, 1850 accepted as Euglandina daudebarti (Deshayes, 1850) (unaccepted > superseded combination, basionym)
176. Species Achatina decussata Deshayes, 1851 accepted as Euglandina decussata (Deshayes, 1851) (unaccepted > superseded combination)
177. Species Achatina delicatula Shuttleworth, 1852 accepted as Guillarmodia delicatula (Shuttleworth, 1852) (original combination)
178. Species Achatina delorioli Bonnet, 1864 accepted as Lissachatina allisa (Reeve, 1849) (junior synonym)
179. Species Achatina deshayesi L. Pfeiffer, 1853 accepted as Glessula deshayesi (L. Pfeiffer, 1853) (original combination)
180. Species Achatina dewittei Bequaert & Clench, 1934 accepted as Leptocalina dewittei (Bequaert & Clench, 1934) (original combination)
181. Species Achatina diaphana P. P. King, 1832 accepted as Fernandezia diaphana (P. P. King, 1832) (original combination)
182. Species Achatina dimidiata E. von Martens, 1889 accepted as Achatina balteata infrafusca E. von Martens, 1897 (junior primary homonym of Achatina dimidiata E. A. Smith, 1878; infrafusca is a replacement name)
183. Species Achatina dimidiata E. A. Smith, 1878 accepted as Cochlitoma dimidiata (E. A. Smith, 1878) (superseded combination)
     1. Variety Achatina dimidiata var. schencki E. von Martens, 1889 accepted as Cochlitoma dimidiata (E. A. Smith, 1878) (unaccepted > junior subjective synonym)
184. Species Achatina diversa Deshayes, 1863 † accepted as Scalaxis diversus (Deshayes, 1863) † (unaccepted > superseded combination)
185. Species Achatina dormitzeri Reuss, 1849 † accepted as Cochlicopa dormitzeri (Reuss, 1849) † (unaccepted > superseded combination)
186. Species Achatina drakensbergensis Melvill & Ponsonby, 1897 accepted as Cochlitoma drakensbergensis (Melvill & Ponsonby, 1897) (unaccepted > superseded combination)
187. Species Achatina dunkeri L. Pfeiffer, 1853 accepted as Dolicholestes dunkeri (L. Pfeiffer, 1853) (original combination)
188. Species Achatina dysoni L. Pfeiffer, 1846 accepted as Streptostyla dysoni (L. Pfeiffer, 1846) (original combination)
189. Species Achatina eleanorae Mead, 1995 accepted as Lissachatina eleanorae (Mead, 1995) (original combination)
190. Species Achatina electa Deshayes, 1863 † accepted as Palaeoglandina gracilis (Zieten, 1832) † (unaccepted > junior subjective synonym)
191. Species Achatina elegans Klein, 1853 † accepted as Pseudoleacina kleiniana (Pilsbry, 1909) † (unaccepted > junior homonym, junior homonym of A. elegans C.B. Adams, 1849; Poiretia kleiniana is a replacement name; new combination)
192. Species Achatina elegans C. B. Adams, 1849 accepted as Varicella philippiana (L. Pfeiffer, 1846) (junior synonym)
193. Species Achatina ellioti E. A. Smith, 1895 accepted as Oreohomorus ellioti (E. A. Smith, 1895) (superseded combination)
194. Species Achatina erecta W. H. Benson, 1842 accepted as Tortaxis erectus (W. H. Benson, 1842) (original combination)
195. Species Achatina erlangeri Möllendorff & Kobelt, 1902 accepted as Lissachatina fulica rodatzi (Dunker, 1852) (junior synonym)
196. Species Achatina eulima R. T. Lowe, 1855 accepted as Cecilioides eulima (R. T. Lowe, 1855) (original combination)
197. Species Achatina facula W. H. Benson, 1860 accepted as Glessula facula (W. H. Benson, 1860) (original combination)
198. Species Achatina fairbanki W. H. Benson, 1865 accepted as Glessula fairbanki (W. H. Benson, 1865) (original combination)
199. Species Achatina fatalis E. von Martens, 1895 accepted as Lissachatina bloyeti (Bourguignat, 1890)
200. Species Achatina filosa L. Pfeiffer, 1855 accepted as Guillarmodia filosa (L. Pfeiffer, 1855) (original combination)
201. Species Achatina flexuosa L. Pfeiffer, 1854 accepted as Oleacina flexuosa (L. Pfeiffer, 1854) (basionym)
202. Species Achatina floccosa Spix, 1827 accepted as Plekocheilus floccosus (Spix, 1827) (unaccepted > superseded combination)
203. Species Achatina foai (Germain, 1905) accepted as Bequaertina pellucida (Putzeys, 1899) (junior synonym)
204. Species Achatina fragilis Deshayes, 1863 † accepted as Pseudoleacina fragilis (Deshayes, 1863) † (unaccepted > superseded combination)
205. Species Achatina fragilis E. A. Smith, 1899 accepted as Achatina nyikaensis Pilsbry, 1909 (junior primary homonym of Achatina fragilis Deshayes, 1864; Achatina nyikaensis Pilsbry, 1909 is a replacement name.)
206. Species Achatina fulgens L. Pfeiffer, 1858 accepted as Glessula fulgens (L. Pfeiffer, 1858) (unaccepted > superseded combination, basionym)
207. Species Achatina fulgurata L. Pfeiffer, 1853 accepted as Cochlitoma zebra fulgurata (L. Pfeiffer, 1853)
208. Species Achatina fulica Bowdich, 1822 accepted as Lissachatina fulica (Bowdich, 1822) (unaccepted > superseded combination)
     1. Subspecies Achatina fulica fulica Bowdich, 1822 accepted as Achatina (Lissachatina) fulica fulica Bowdich, 1822 (unaccepted > superseded combination)
     2. Subspecies Achatina fulica solida Angelis, 1900 accepted as Lissachatina lactea (Reeve, 1842) (junior synonym)
     3. Variety Achatina fulica var. coloba Pilsbry, 1904 accepted as Lissachatina fulica coloba (Pilsbry, 1904) (basionym)
209. Species Achatina fuliginea L. Pfeiffer, 1854 accepted as Carelia bicolor (J. C. Jay, 1839) (unaccepted > junior subjective synonym)
210. Species Achatina fulminatrix E. von Martens, 1895 accepted as Achatina arctespirata Bourguignat, 1890
211. Species Achatina fulva sensu Deshayes, 1838 accepted as Achatina maculata Swainson, 1821 (unaccepted > misapplication, not Bruguière, 1792)
212. Species Achatina fulva sensu L. Pfeiffer, 1848 accepted as Achatina balteata Reeve, 1849 (unaccepted > misapplication, not Bulimus fulvus Bruguière, 1792)
213. Species Achatina funcki L. Pfeiffer, 1848 accepted as Leptinaria lamellata lamellata (Potiez & Michaud, 1838) (junior synonym)
214. Species Achatina fuscidula Morelet, 1858 accepted as Ischnoglessula fuscidula (Morelet, 1858) (unaccepted > superseded combination)
215. Species Achatina fuscolabris E. von Martens, 1860 accepted as Metachatina kraussi (L. Pfeiffer, 1846)
216. Species Achatina fusiformis L. Pfeiffer, 1845 accepted as Euglandina binneyana (L. Pfeiffer, 1845) (invalid; not Picard, 1840)
217. Species Achatina gayana C. B. Adams, 1850 accepted as Euvaricella angiostoma (C. B. Adams, 1849) (junior synonym)
218. Species Achatina gemma Reeve, 1850 accepted as Glessula gemma (Reeve, 1850) (original combination)
219. Species Achatina gemmellariana Benoit, 1862 accepted as Cecilioides acicula (O. F. Müller, 1774)
220. Species Achatina ghiesbreghti (L. Pfeiffer, 1856) accepted as Euglandina ghiesbreghti (L. Pfeiffer, 1856) (chresonym)
221. Species Achatina glaucina E. A. Smith, 1899 accepted as Lissachatina glaucina (E. A. Smith, 1899) (unaccepted > superseded combination)
222. Species Achatina glutinosa L. Pfeiffer, 1854 accepted as Lissachatina glutinosa (L. Pfeiffer, 1854) (original combination)
223. Species Achatina gossei L. Pfeiffer, 1846 accepted as Costavarix gossei (L. Pfeiffer, 1846) (original combination)
224. Species Achatina gracilenta Morelet, 1867 accepted as Subulina gracilenta (Morelet, 1867) (unaccepted > superseded combination)
225. Species Achatina gracilior C. B. Adams, 1850 accepted as Costavarix gossei (L. Pfeiffer, 1846) (junior synonym)
226. Species Achatina gracillima L. Pfeiffer, 1839 accepted as Melaniella gracillima (L. Pfeiffer, 1839) (original combination)
227. Species Achatina granulata L. Pfeiffer, 1854 accepted as Achatina granulata Krauss, 1848 (synonym and homonym)
228. Species Achatina granulata Krauss, 1848 accepted as Cochlitoma granulata (Krauss, 1848) (basionym)
229. Species Achatina graueri Thiele, 1911 accepted as Bequaertina graueri (Thiele, 1911) (original combination)
230. Species Achatina grevillei L. Pfeiffer, 1860 accepted as Archachatina marginata grevillei (L. Pfeiffer, 1860) (original combination)
231. Species Achatina griffithsii C. B. Adams, 1845 accepted as Varicella griffithii (C. B. Adams, 1845) (original combination)
232. Species Achatina gruveli Dautzenberg, 1921 accepted as Achatina iostoma L. Pfeiffer, 1854 (unaccepted > junior subjective synonym)
233. Species Achatina guadeloupensis L. Pfeiffer, 1857 accepted as Laevaricella guadeloupensis (L. Pfeiffer, 1857) (original combination)
234. Species Achatina gundlachi L. Pfeiffer, 1850 accepted as Geostilbia aperta (Swainson, 1840) (original combination)
235. Species Achatina hamillei Petit de la Saussaye, 1859 accepted as Lissachatina fulica hamillei (Petit de la Saussaye, 1859) (unaccepted > superseded combination)
236. Species Achatina hastula W. H. Benson, 1860 accepted as Rishetia hastula (W. H. Benson, 1860) (original combination)
237. Species Achatina hebes L. Pfeiffer, 1868 accepted as Glessula hebes (L. Pfeiffer, 1868) (original combination)
238. Species Achatina hessei C. R. Boettger, 1913 accepted as Achatina iostoma L. Pfeiffer, 1854 (junior synonym)
239. Species Achatina histrio L. Pfeiffer, 1866 accepted as Varicella histrio (L. Pfeiffer, 1866) (original combination)
240. Species Achatina hohenwarti Rossmässler, 1839 accepted as Hohenwartiana hohenwarti (Rossmässler, 1839) (original combination)
241. Species Achatina huegelii L. Pfeiffer, 1842 accepted as Glessula huegeli (L. Pfeiffer, 1842) (original combination)
242. Species Achatina immaculata Lamarck, 1822 accepted as Lissachatina immaculata (Lamarck, 1822) (unaccepted > superseded combination)
243. Species Achatina impressa L. Pfeiffer, 1853 accepted as Vagavarix impressa (L. Pfeiffer, 1853) (original combination)
244. Species Achatina incerta (Bourguignat, 1859) accepted as Gomphroa incerta (Bourguignat, 1859) (unaccepted > superseded combination)
245. Species Achatina indotata Reeve, 1849 accepted as Cochlitoma zebra tigrina (H. Beck, 1837) (junior synonym)
246. Species Achatina inflata Reuss, 1849 † accepted as Palaeoglandina gracilis (Zieten, 1832) † (unaccepted > junior subjective synonym)
247. Species Achatina infrafusca E. von Martens, 1897 accepted as Achatina balteata infrafusca E. von Martens, 1897 (basionym)
248. Species Achatina ingallsiana C. B. Adams, 1849 accepted as Euvaricella angiostoma (C. B. Adams, 1849) (junior synonym)
249. Species Achatina inornata L. Pfeiffer, 1853 accepted as Glessula inornata (L. Pfeiffer, 1853) (original combination)
250. Species Achatina insignis L. Pfeiffer, 1855 accepted as Euglandina insignis (L. Pfeiffer, 1855) (original combination)
251. Species Achatina insularis Crowley & Pain, 1961 accepted as Achatina tincta Reeve, 1842 (unaccepted > junior subjective synonym)
252. Species Achatina inusitata C. B. Adams, 1849 accepted as Spiraxis inusitatus (C. B. Adams, 1849) (unaccepted > superseded combination)
253. Species Achatina involuta A. Gould, 1843 accepted as Subulona involuta (A. Gould, 1843) (original combination)
254. Species Achatina iota C. B. Adams, 1845 accepted as Cecilioides iota (C. B. Adams, 1845) (original combination)
255. Species Achatina iredalei Preston, 1910 accepted as Achatina allisa Reeve, 1849 (junior synonym)
256. Species Achatina isabellina L. Pfeiffer, 1846 accepted as Pittieria isabellina (L. Pfeiffer, 1846) (original combination)
257. Species Achatina ivensi Furtado, 1886 accepted as Achatina pfeifferi Dunker, 1845
258. Species Achatina jacobi S. I. Da Costa, 1906 accepted as Achatina craveni E. A. Smith, 1881 (synonym)
259. Species Achatina janii De Betta & Martinati, 1855 accepted as Achatina veneta Strobel, 1855 (unaccepted > junior objective synonym)
260. Species Achatina javanica Reeve, 1849 accepted as Paropeas achatinaceum (L. Pfeiffer, 1846) (junior synonym)
261. Species Achatina jerdoni Reeve, 1850 accepted as Glessula jerdoni (Reeve, 1850) (original combination)
262. Species Achatina johnstoni E. A. Smith, 1899 accepted as Lissachatina johnstoni (E. A. Smith, 1899) (original combination)
263. Species Achatina kilimae Dautzenberg, 1908 accepted as Lissachatina kilimae (Dautzenberg, 1908)
     1. Variety Achatina kilimae var. rollei C. R. Boettger, 1913 accepted as Achatina zanzibarica Bourguignat, 1879 (junior synonym)
264. Species Achatina kirkii Craven, 1880 accepted as Pseudoglessula leroyi fasciata Connolly, 1923 (junior subjective synonym)
265. Species Achatina kirkii E. A. Smith, 1880 accepted as Achatina craveni E. A. Smith, 1881 (invalid: not Craven, 1880)
266. Species Achatina knorrii Jonas, 1839 accepted as Archachatina knorrii (Jonas, 1839) (original combination)
267. Species Achatina kransii [sic] accepted as Achatina kraussi Reeve, 1842 (misspelling)
268. Species Achatina kraussi Reeve, 1842 accepted as Cochlitoma zebra kraussi (Reeve, 1842)
269. Species Achatina lactea Reeve, 1842 accepted as Lissachatina lactea (Reeve, 1842) (original combination)
270. Species Achatina lamarckiana L. Pfeiffer, 1847 accepted as Achatina panthera A. Férussac, 1832 (junior synonym)
271. Species Achatina lamellata Potiez & Michaud, 1838 accepted as Leptinaria unilamellata (A. d'Orbigny, 1838) (unaccepted > junior subjective synonym)
272. Species Achatina lattrei L. Pfeiffer, 1846 accepted as Streptostyla lattrei (L. Pfeiffer, 1846) (original combination)
273. Species Achatina layardi L. Pfeiffer, 1858 accepted as Lissachatina layardi (L. Pfeiffer, 1858) (unaccepted > superseded combination)
274. Species Achatina leacociana R. T. Lowe, 1852 accepted as Pyrgella leacociana (R. T. Lowe, 1852) (original combination)
275. Species Achatina lechaptoisi Ancey, 1894 accepted as Achatina panthera A. Férussac, 1832 (junior synonym)
276. Species Achatina leptospira W. H. Benson, 1865 accepted as Glessula leptospira (W. H. Benson, 1865) (original combination)
277. Species Achatina letourneuxi Bourguignat, 1879 accepted as Lissachatina fulica hamillei (Petit de la Saussaye, 1859) (junior synonym)
278. Species Achatina leucostyla Pilsbry, 1904 accepted as Lissachatina fulica hamillei (Petit de la Saussaye, 1859)
279. Species Achatina levis C. B. Adams, 1849 accepted as Euvaricella levis (C. B. Adams, 1849) (original combination)
280. Species Achatina lhotelleriana Preston, 1909 accepted as Achatina tincta Reeve, 1842 (junior synonym)
281. Species Achatina lhotellerii Bourguignat, 1879 accepted as Lissachatina zanzibarica (Bourguignat, 1879) (junior synonym)
282. Species Achatina liebmanni L. Pfeiffer, 1846 accepted as Euglandina liebmanni (L. Pfeiffer, 1846) (unaccepted > superseded combination)
283. Species Achatina ligata C. B. Adams, 1849 accepted as Varicella ligata (C. B. Adams, 1849) (original combination)
284. Species Achatina lignaria Reeve, 1849 accepted as Euglandina aurata (Morelet, 1849) (synonym)
285. Species Achatina lineata Valenciennes, 1827 accepted as Liguus fasciatus (O. F. Müller, 1774)
286. Species Achatina linterae G. B. Sowerby III, 1890 accepted as Cochlitoma zebra linterae (G. B. Sowerby III, 1890) (original rank)
287. Species Achatina lirifera Morelet, 1851 accepted as Mayaxis lirifera (Morelet, 1851) (original combination)
288. Species Achatina livingstonei Melvill & Ponsonby, 1897 accepted as Cochlitoma livingstonei (Melvill & Ponsonby, 1897) (unaccepted > superseded combination)
289. Species Achatina longispira C. B. Adams, 1850 accepted as Euvaricella longispira (C. B. Adams, 1850) (original combination)
290. Species Achatina loveridgei (Clench & Archer, 1930) accepted as Lissachatina loveridgei (Clench & Archer, 1930) (unaccepted > superseded combination)
291. Species Achatina lowei Paiva, 1866 accepted as Amphorella oryza (R. T. Lowe, 1852)
292. Species Achatina loxostoma Klein, 1853 † accepted as Hypnophila loxostoma (Klein, 1853) † (unaccepted > superseded combination)
293. Species Achatina lubrica (O. F. Müller, 1774) accepted as Cochlicopa lubrica (O. F. Müller, 1774) (chresonym)
     1. Variety Achatina lubrica var. exigua Menke, 1830 accepted as Cochlicopa lubricella (Porro, 1838) (unaccepted > junior subjective synonym)
     2. Variety Achatina lubrica var. fusiformis Picard, 1840 accepted as Cochlicopa lubricella (Porro, 1838) (junior synonym)
294. Species Achatina lubricella A. Braun, 1851 † accepted as Hypnophila subrimata (Reuss, 1849) † (unaccepted > junior subjective synonym)
295. Species Achatina lubricoides Potiez & Michaud, 1838 accepted as Hohenwartiana hohenwarti (Rossmässler, 1839) (unaccepted > junior subjective synonym)
296. Species Achatina lucida Poey, 1852 accepted as Opeas micra (A. d'Orbigny, 1835) (unaccepted > junior subjective synonym)
297. Species Achatina lunensis d'Ancona, 1867 † accepted as Palaeoglandina lunensis (d'Ancona, 1867) † (unaccepted > superseded combination)
298. Species Achatina machachensis E. A. Smith, 1902 accepted as Cochlitoma machachensis (E. A. Smith, 1902) (superseded combination)
299. Species Achatina maculata Swainson, 1821 accepted as Ampulla priamus (Gmelin, 1791)
300. Species Achatina madaziniana Clench & Archer, 1930 accepted as Lissachatina zanzibarica (Bourguignat, 1879) (junior synonym)
301. Species Achatina magnifica L. Pfeiffer, 1848 accepted as Clathrorthalicus magnificus (L. Pfeiffer, 1848) (original combination)
302. Species Achatina mamillata Craven, 1880 accepted as Subulina mamillata (Craven, 1880) (original combination)
303. Species Achatina mandralisci Calcara, 1840 accepted as Allopeas gracile (T. Hutton, 1834) (unaccepted > junior subjective synonym)
304. Species Achatina maniensis L. Pfeiffer, 1855 accepted as Leptachatina maniensis (L. Pfeiffer, 1855) (unaccepted > superseded combination)
305. Species Achatina margaritacea L. Pfeiffer, 1857 accepted as Salasiella margaritacea (L. Pfeiffer, 1857) (original combination)
306. Species Achatina marginata Swainson, 1821 accepted as Archachatina marginata (Swainson, 1821) (original combination)
     1. Variety Achatina marginata var. egregia Dautzenberg, 1921 accepted as Archachatina marginata egregia (Dautzenberg, 1921) (basionym)
     2. Variety Achatina marginata var. fourneaui Germain, 1908 accepted as Archachatina marginata marginata (Swainson, 1821) (junior synonym)
     3. Variety Achatina marginata var. gracilior d'Ailly, 1896 accepted as Archachatina marginata suturalis (R. A. Philippi, 1849) (not Achatina gracilior C. B. Adams, 1850)
     4. Variety Achatina marginata var. gracilior E. von Martens, 1860 accepted as Archachatina marginata eduardi Pilsbry, 1909 (invalid: junior homonym of A. gracilior C. B. Adams, 1850; Archachatina marginata var. eduardi Pilsbry, 1909 is a replacement name)
307. Species Achatina mariei Ancey, 1894 accepted as Lissachatina immaculata (Lamarck, 1822) (unaccepted > junior subjective synonym)
308. Species Achatina marioni Matheron, 1868 † accepted as Palaeoglandina marioni (Matheron, 1868) † (unaccepted > superseded combination)
309. Species Achatina marmorea Reeve, 1850 accepted as Petriola marmorea (Reeve, 1850) (original combination)
310. Species Achatina marteli Dautzenberg, 1901 accepted as Bequaertina marteli (Dautzenberg, 1901) (original combination)
     1. Variety Achatina marteli var. pallescens Dautzenberg, 1901 accepted as Callistoplepa marteli (Dautzenberg, 1901)
311. Species Achatina mauritiana Lamarck, 1822 accepted as Lissachatina fulica (Bowdich, 1822) (junior synonym)
     1. Variety Achatina mauritiana var. sinistrorsa Grateloup, 1840 accepted as Lissachatina fulica (Bowdich, 1822) (junior synonym)
312. Species Achatina melanostoma Spix, 1827 accepted as Achatina melastoma Swainson, 1823 (unaccepted > unjustified emendation)
313. Species Achatina melastoma Swainson, 1823 accepted as Corona regina (Bowdich, 1822)
314. Species Achatina micans C. B. Adams, 1849 accepted as Sigmataxis micans (C. B. Adams, 1849) (original combination)
315. Species Achatina milneedwardsiana Revoil, 1885 accepted as Lissachatina fulica hamillei (Petit de la Saussaye, 1859) (unaccepted > junior subjective synonym)
316. Species Achatina minima Siemaschko, 1847 accepted as Cochlicopa lubricella (Porro, 1838) (unaccepted > junior subjective synonym)
317. Species Achatina minuta (Anton, 1838) accepted as Tornatellina minuta (Anton, 1838) (unaccepted > superseded combination)
318. Species Achatina mitriformis R. T. Lowe, 1852 accepted as Amphorella mitriformis (R. T. Lowe, 1852) (original combination)
319. Species Achatina modestior O. Boettger, 1905 accepted as Archachatina papyracea (L. Pfeiffer, 1845) (junior synonym)
320. Species Achatina mollicella Morelet, 1860 accepted as Leptocala mollicella (Morelet, 1860) (unaccepted > superseded combination)
321. Species Achatina monetaria Morelet, 1867 accepted as Achatina balteata Reeve, 1849 (unaccepted > junior subjective synonym)
322. Species Achatina montana E. von Martens, 1866 accepted as Neoglessula montana (E. von Martens, 1866) (original combination)
323. Species Achatina monticola Morelet, 1866 accepted as Petriola monticola (Morelet, 1866) (original combination)
324. Species Achatina mossambica Brancsik, 1893 accepted as Achatina panthera A. Férussac, 1832 (junior synonym)
325. Species Achatina mulanjensis Crowley & Pain, 1981 accepted as Achatina immaculata Lamarck, 1822 (unaccepted > junior subjective synonym)
326. Species Achatina mullorum Blanford, 1861 accepted as Glessula mullorum (Blanford, 1861) (original combination)
327. Species Achatina murrea Reeve, 1849 accepted as Liguus murreus (Reeve, 1849) (original combination)
328. Species Achatina musaecola Morelet, 1860 accepted as Tomostele musaecola (Morelet, 1860) (original combination)
329. Species Achatina muscorum Morelet, 1867 accepted as Pseudoglessula muscorum (Morelet, 1867) (unaccepted > superseded combination)
330. Species Achatina nana Shuttleworth, 1852 accepted as Varicoglandina nana (Shuttleworth, 1852) (original combination)
331. Species Achatina natalensis L. Pfeiffer, 1855 accepted as Cochlitoma natalensis (L. Pfeiffer, 1855) (unaccepted > superseded combination)
332. Species Achatina naudoti [sic] † accepted as Palaeoglandina naudotii (Michelin, 1832) † (unaccepted > misspelling - incorrect subsequent spelling)
333. Species Achatina nebrodensis Benoit, 1862 accepted as Cecilioides acicula (O. F. Müller, 1774) (suspected synonym)
334. Species Achatina nemorensis C. B. Adams, 1849 accepted as Euvaricella nemorensis (C. B. Adams, 1849) (original combination)
335. Species Achatina neumanni (Thiele, 1933) accepted as Brownisca neumanni (Thiele, 1933)
336. Species Achatina newcombi L. Pfeiffer, 1853 accepted as Carelia turricula (Mighels, 1845) (unaccepted > junior subjective synonym)
337. Species Achatina nigella Morelet, 1867 accepted as Homorus nigellus (Morelet, 1867) (original combination)
338. Species Achatina nilagirica Reeve, 1850 accepted as Glessula nilagirica (Reeve, 1850) (original combination)
339. Species Achatina nitens J. E. Gray, 1825 accepted as Glessula nitens (J. E. Gray, 1825) (unaccepted > superseded combination)
340. Species Achatina nitida E. von Martens, 1894 accepted as Leptocallista grandidieriana (Bourguignat, 1890)
341. Species Achatina nitida C. B. Adams, 1850 accepted as Euvaricella nitida (C. B. Adams, 1850) (original combination)
342. Species Achatina notigena W. H. Benson, 1860 accepted as Glessula notigena (W. H. Benson, 1860) (original combination)
343. Species Achatina nyikaensis Pilsbry, 1909 accepted as Bequaertina pintoi (Bourguignat, 1890) (unaccepted > junior subjective synonym)
344. Species Achatina oahuensis Green, 1827 accepted as Amastra turritella (A. Férussac, 1821) (unaccepted > junior subjective synonym)
345. Species Achatina obeliscus Reeve, 1850 accepted as Carelia turricula (Mighels, 1845) (unaccepted > junior subjective synonym)
346. Species Achatina obesa L. Pfeiffer, 1854 accepted as Cochlitoma zebra obesa (L. Pfeiffer, 1854) (original rank)
347. Species Achatina oblitterata Dautzenberg, 1891 accepted as Achatina tincta Reeve, 1842 (unaccepted > junior subjective synonym)
348. Species Achatina obtusa (Connolly, 1931) accepted as Brownisca obtusa (Connolly, 1931) (unaccepted > superseded combination)
349. Species Achatina occidentalis Pilsbry, 1904 accepted as Cochlitoma natalensis (L. Pfeiffer, 1855) (junior synonym)
350. Species Achatina octona (Bruguière, 1789) accepted as Subulina octona (Bruguière, 1789) (unaccepted combination)
351. Species Achatina oedigyra Melvill & Ponsonby, 1894 accepted as Cochlitoma crawfordi (Morelet, 1889) (unaccepted > junior subjective synonym)
352. Species Achatina oligostropha Reuss, 1849 † accepted as Pseudoleacina oligostropha (Reuss, 1849) † (unaccepted > superseded combination)
353. Species Achatina oreas Reeve, 1850 accepted as Glessula oreas (Reeve, 1850) (original combination)
354. Species Achatina orizabae L. Pfeiffer, 1857 accepted as Guillarmodia orizabae (L. Pfeiffer, 1857) (original combination)
355. Species Achatina orobia W. H. Benson, 1860 accepted as Glessula orobia (W. H. Benson, 1860) (original combination)
356. Species Achatina orophila Reeve, 1849 accepted as Glessula orophila (Reeve, 1849) (original combination)
357. Species Achatina oryza R. T. Lowe, 1852 accepted as Amphorella oryza (R. T. Lowe, 1852) (original combination)
358. Species Achatina osculans C. B. Adams, 1850 accepted as Costavarix osculans (C. B. Adams, 1850) (original combination)
359. Species Achatina ovata S. I. Da Costa, 1907 accepted as Achatina greyi S. I. Da Costa, 1907 (synonym)
360. Species Achatina ovum L. Pfeiffer, 1858 accepted as Archachatina marginata ovum (L. Pfeiffer, 1858) (basionym)
361. Species Achatina pachycheila W. H. Benson, 1853 accepted as Glessula pachycheila (W. H. Benson, 1853) (original combination)
362. Species Achatina pallens L. Pfeiffer, 1856 accepted as Petriola simpularia (Morelet, 1851) (unaccepted > junior subjective synonym)
363. Species Achatina pallida Swainson, 1821 accepted as Liguus fasciatus pallidus (Swainson, 1821) (unaccepted > superseded combination)
364. Species Achatina panaetha W. H. Benson, 1860 accepted as Glessula panaetha (W. H. Benson, 1860) (original combination)
365. Species Achatina panthera A. Férussac, 1832 accepted as Lissachatina immaculata (Lamarck, 1822) (junior synonym)
     1. Variety Achatina panthera var. berevoensis Clench & Archer, 1930 accepted as Lissachatina immaculata (Lamarck, 1822) (junior synonym)
     2. Variety Achatina panthera var. leucostyla Pilsbry, 1904 accepted as Lissachatina fulica hamillei (Petit de la Saussaye, 1859) (junior synonym)
     3. Variety Achatina panthera var. minor Junod, 1899 accepted as Achatina immaculata Lamarck, 1822 (unaccepted > junior subjective synonym)
     4. Variety Achatina panthera var. nasimoyensis Bourguignat, 1879 accepted as Lissachatina fulica hamillei (Petit de la Saussaye, 1859) (junior synonym)
     5. Variety Achatina panthera var. neumanni E. von Martens, 1897 accepted as Lissachatina fulica hamillei (Petit de la Saussaye, 1859) (junior synonym)
366. Species Achatina pantherina E. von Martens, 1897 accepted as Lissachatina fulica hamillei (Petit de la Saussaye, 1859) (junior synonym)
367. Species Achatina papyracea L. Pfeiffer, 1845 accepted as Archachatina papyracea (L. Pfeiffer, 1845) (original combination)
368. Species Achatina parabilis W. H. Benson, 1856 accepted as Glessula parabilis (W. H. Benson, 1856) (original combination)
369. Species Achatina paritura A. Gould, 1850 accepted as Neoglessula paritura (A. Gould, 1850) (unaccepted > superseded combination)
370. Species Achatina paroliniana P. B. Webb & S. Berthelot, 1833 accepted as Amphorella triticea (R. T. Lowe, 1831) (unaccepted > junior subjective synonym)
371. Species Achatina parthenia Melvill & Ponsonby, 1903 accepted as Cochlitoma parthenia (Melvill & Ponsonby, 1903) (unaccepted > superseded combination)
372. Species Achatina parvula Chitty, 1853 accepted as Spiraxis parvulus (Chitty, 1853) (original combination)
373. Species Achatina paupercula W. T. Blanford & H. F. Blanford, 1861 accepted as Glessula paupercula (W. T. Blanford & H. F. Blanford, 1861) (original combination)
374. Species Achatina paxillus Reeve, 1849 accepted as Trichodina paxillus (Reeve, 1849) (unaccepted > superseded combination)
375. Species Achatina peguensis W. T. Blanford, 1865 accepted as Glessula peguensis (W. T. Blanford, 1865) (original combination)
376. Species Achatina pellucens C. B. Adams, 1845 accepted as Euvaricella pellucens (C. B. Adams, 1845) (original combination)
377. Species Achatina pellucida L. Pfeiffer, 1840 accepted as Blauneria heteroclita (Montagu, 1808) (invalid: junior homonym [ICZN Art. 11.9.3.2] of Agathina pellucida Deshayes, 1824; Tornatellina cubensis is a replacement name)
378. Species Achatina penestes Melvill & Ponsonby, 1893 accepted as Cochlitoma penestes (Melvill & Ponsonby, 1893) (unaccepted > superseded combination)
379. Species Achatina pentheri Sturany, 1898 accepted as Cochlitoma pentheri (Sturany, 1898) (original combination)
380. Species Achatina perdix Lamarck, 1822 accepted as Achatina achatina (Linnaeus, 1758) (unaccepted > junior subjective synonym)
381. Species Achatina perplexa C. B. Adams, 1850 accepted as Sigmataxis perplexus (C. B. Adams, 1850) (original combination)
382. Species Achatina perroteti L. Pfeiffer, 1842 accepted as Glessula perroteti (L. Pfeiffer, 1842) (original combination)
383. Species Achatina pertenuis W. T. Blanford, 1865 accepted as Rishetia pertenuis (W. T. Blanford, 1865) (unaccepted > superseded combination)
     1. Variety Achatina pertenuis var. major W. T. Blanford, 1865 accepted as Rishetia pertenuis major (W. T. Blanford, 1865) (unaccepted > superseded combination)
384. Species Achatina peruviana Lamarck, 1822 accepted as Varicella peruviana (Lamarck, 1822) (unaccepted > superseded combination)
385. Species Achatina perversa Swainson, 1821 accepted as Corona perversa (Swainson, 1821) (original combination)
386. Species Achatina petersi E. von Martens, 1860 accepted as Achatina glutinosa L. Pfeiffer, 1854 (synonym)
387. Species Achatina petitiana Benoit, 1862 accepted as Cecilioides tumulorum (Bourguignat, 1856) (unaccepted > junior subjective synonym)
388. Species Achatina petrensis Morelet, 1866 accepted as Subulina petrensis (Morelet, 1866) (original combination)
389. Species Achatina phillipsii C. B. Adams, 1845 accepted as Euvaricella phillipsii (C. B. Adams, 1845) (original combination)
390. Species Achatina picta Reeve, 1842 accepted as Liguus fasciatus (O. F. Müller, 1774) (unaccepted > junior subjective synonym)
391. Species Achatina pilsbryi d'Ailly, 1910 accepted as Lissachatina albopicta (E. A. Smith, 1878) (junior synonym)
392. Species Achatina pintoi (Bourguignat, 1890) accepted as Bequaertina pintoi (Bourguignat, 1890) (unaccepted > superseded combination)
393. Species Achatina planti L. Pfeiffer, 1861 accepted as Metachatina kraussi var. planti (L. Pfeiffer, 1861) (original combination)
394. Species Achatina plicatula L. Pfeiffer, 1851 accepted as Euglandina plicatula (L. Pfeiffer, 1851) (original combination)
395. Species Achatina poeyana L. Pfeiffer, 1857 accepted as Liguus poeyanus (L. Pfeiffer, 1857) (unaccepted > superseded combination)
396. Species Achatina porphyrostoma Shuttleworth, 1852 accepted as Archachatina purpurea (Gmelin, 1790) (junior synonym)
397. Species Achatina porrecta Gobanz, 1854 † accepted as Palaeoglandina porrecta (Gobanz, 1854) † (unaccepted > superseded combination)
398. Species Achatina portoricensis L. Pfeiffer, 1849 accepted as Vagavarix portoricensis (L. Pfeiffer, 1849) (original combination)
399. Species Achatina praelustris W. H. Benson, 1860 accepted as Glessula praelustris (W. H. Benson, 1860) (original combination)
400. Species Achatina procera C. B. Adams, 1849 accepted as Varicella necrodes H. B. Baker, 1935 (junior homonym of Achatina procera C. B. Adams, 1845)
401. Species Achatina producta Reuss, 1849 † accepted as Pseudoleacina producta (Reuss, 1849) † (unaccepted > superseded combination)
402. Species Achatina producta R. T. Lowe, 1852 accepted as Amphorella hypselia (Pilsbry, 1909) (invalid: junior homonym of Achatina producta Reusse, 1849; Ferussacia hypselia is a replacement name)
403. Species Achatina propinqua C. B. Adams, 1845 accepted as Varicella propinqua (C. B. Adams, 1845) (original combination)
404. Species Achatina proxima C. B. Adams, 1851 accepted as Varicella proxima (C. B. Adams, 1851) (original combination)
405. Species Achatina prunum Reeve, 1849 accepted as Archachatina knorrii (Jonas, 1839) (junior synonym)
406. Species Achatina puella C. B. Adams, 1850 accepted as Varicella puella (C. B. Adams, 1850) (original combination)
407. Species Achatina pulchella E. von Martens, 1876 accepted as Leptocala mollicella (Morelet, 1860) (invalid; not Spix, 1827, nor L. Pfeiffer, 1856)
408. Species Achatina pulchella (L. Pfeiffer, 1856) accepted as Salasiella pfeifferi Pilsbry, 1899 (junior secondary homonym of Spix, 1827; Salasiella pfeifferi is a replacement name)
409. Species Achatina pulchella Spix, 1827 accepted as Orthalicus pulchellus (Spix, 1827)
410. Species Achatina punctogallana L. Pfeiffer, 1852 accepted as Glessula punctogallana (L. Pfeiffer, 1852) (original combination)
411. Species Achatina pusilla Scacchi, 1836 accepted as Cecilioides acicula (O. F. Müller, 1774)
412. Species Achatina putzeysi Dautzenberg & Germain, 1914 accepted as Leptocalina putzeysi (Dautzenberg & Germain, 1914) (original combination)
413. Species Achatina pygmaea L. Pfeiffer, 1847 accepted as Cecilioides consobrina (A. d'Orbigny, 1841)
414. Species Achatina pyramis W. H. Benson, 1860 accepted as Glessula pyramis (W. H. Benson, 1860) (original combination)
415. Species Achatina raffrayi Jousseaume, 1883 accepted as Leptocallista raffrayi (Jousseaume, 1883) (original combination)
416. Species Achatina rediviva Mabille, 1901 accepted as Lissachatina fulica (Bowdich, 1822) (junior synonym)
417. Species Achatina reticulata L. Pfeiffer, 1845 accepted as Lissachatina reticulata (L. Pfeiffer, 1845) (original combination)
418. Species Achatina rhabdota Melvill & Ponsonby, 1898 accepted as Cochlitoma ustulata (Lamarck, 1822) (unaccepted > junior subjective synonym)
419. Species Achatina rhodesiaca Melvill & Standen, 1907 accepted as Lissachatina capelloi rhodesiaca (Melvill & Standen, 1907) (junior synonym)
     1. Variety Achatina rhodesiaca var. lanceolata Melvill & Standen, 1907 accepted as Achatina capelloi Furtado, 1886 (unaccepted > junior subjective synonym)
     2. Variety Achatina rhodesiaca var. leucopasa Melvill & Standen, 1907 accepted as Lissachatina capelloi rhodesiaca (Melvill & Standen, 1907) (unaccepted > junior subjective synonym)
420. Species Achatina rhodostoma R. A. Philippi, 1849 accepted as Archachatina rhodostoma (R. A. Philippi, 1849) (unaccepted > superseded combination)
421. Species Achatina richardi L. Pfeiffer, 1854 accepted as Varicella richardi (L. Pfeiffer, 1854) (original combination)
422. Species Achatina riisei L. Pfeiffer, 1852 accepted as Vagavarix portoricensis (L. Pfeiffer, 1849) (junior synonym)
423. Species Achatina rillyensis de Boissy, 1848 † accepted as Scalaxis rillyensis (de Boissy, 1848) † (unaccepted > superseded combination)
     1. Variety Achatina rillyensis var. sinistra "de Boissy, 1848" † accepted as Scalaxis sinister Wenz, 1923 † (not available)
424. Species Achatina rodatzi Dunker, 1852 accepted as Lissachatina fulica rodatzi (Dunker, 1852) (original combination)
425. Species Achatina rosea A. Férussac, 1821 accepted as Euglandina rosea (A. Férussac, 1821) (unaccepted > superseded combination)
426. Species Achatina salleana L. Pfeiffer, 1850 accepted as Leptinaria salleana (L. Pfeiffer, 1850) (original combination)
427. Species Achatina sandbergeri Thomä, 1845 † accepted as Pseudoleacina sandbergeri (Thomä, 1845) † (unaccepted > superseded combination)
428. Species Achatina sandwicensis L. Pfeiffer, 1846 accepted as Leptachatina sandwicensis (L. Pfeiffer, 1846) (unaccepted > superseded combination)
429. Species Achatina sarissa W. H. Benson, 1860 accepted as Glessula sarissa (W. H. Benson, 1860) (original combination)
430. Species Achatina sattaraensis Hanley & Theobald, 1873 accepted as Glessula sattaraensis (Hanley & Theobald, 1873) (original combination)
431. Species Achatina scaevola Melvill & Ponsonby, 1893 accepted as Achatina smithii Craven, 1881 (unaccepted > junior subjective synonym)
432. Species Achatina schencki E. von Martens, 1889 accepted as Cochlitoma dimidiata (E. A. Smith, 1878) (unaccepted > junior subjective synonym)
433. Species Achatina schoutedeni Dautzenberg & Germain, 1914 accepted as Achatina transparens S. I. Da Costa, 1907
434. Species Achatina scrutillus W. H. Benson, 1860 accepted as Glessula scrutillus (W. H. Benson, 1860) (original combination)
435. Species Achatina sculpta L. Pfeiffer, 1856 accepted as Leptachatina sculpta (L. Pfeiffer, 1856) (unaccepted > superseded combination)
436. Species Achatina sculpturata Neubert & Van Damme, 2012 † accepted as Arabicolaria sculpturata (Neubert & Van Damme, 2012) † (unaccepted > superseded combination)
437. Species Achatina semidecussata L. Pfeiffer, 1846 accepted as Cochlitoma semidecussata (L. Pfeiffer, 1846) (original combination)
438. Species Achatina semigranosa L. Pfeiffer, 1861 accepted as Cochlitoma semigranosa (L. Pfeiffer, 1861) (original combination)
439. Species Achatina semisulcata Deshayes, 1830 accepted as Oleacina semisulcata (Deshayes, 1830) (unaccepted > superseded combination)
440. Species Achatina semitarum L. Pfeiffer, 1842 accepted as Laevaricella semitarum (L. Pfeiffer, 1842) (original combination)
441. Species Achatina sennaariensis (L. Pfeiffer, 1853) accepted as Limicolaria sennaariensis (L. Pfeiffer, 1853) (original combination)
442. Species Achatina serena W. H. Benson, 1860 accepted as Glessula serena (W. H. Benson, 1860) (original combination)
443. Species Achatina shuttleworthi L. Pfeiffer, 1856 accepted as Callistoplepa shuttleworthi (L. Pfeiffer, 1856) (original combination)
444. Species Achatina shuttleworthiana [sic] accepted as Achatina shuttleworthi L. Pfeiffer, 1856 (misspelling)
445. Species Achatina sideratus Reeve, 1849 accepted as Archachatina siderata (Reeve, 1849) (original combination)
446. Species Achatina similis de Boissy, 1848 † accepted as Scalaxis similis (de Boissy, 1848) † (unaccepted > superseded combination)
447. Species Achatina similis C. B. Adams, 1850 accepted as Euvaricella biplicatula dissimilis (Pilsbry, 1909) (junior homonym of Achatina similis de Boissy, 1848)
448. Species Achatina simplex E. A. Smith, 1878 accepted as Cochlitoma simplex (E. A. Smith, 1878) (superseded combination)
449. Species Achatina simpularia Morelet, 1851 accepted as Petriola simpularia (Morelet, 1851) (unaccepted > superseded combination)
450. Species Achatina sinistrorsa L. Pfeiffer, 1848 accepted as Archachatina bicarinata (Bruguière, 1792) (junior synonym)
451. Species Achatina smithi G. B. Sowerby III, 1890 accepted as Achatina sowerbyi E. A. Smith, 1890 (invalid: junior primary homonym of Achatina smithii Craven, 1881; Achatina sowerbyi E. A. Smith, 1890 is a replacement name.)
452. Species Achatina sokotorana E. von Martens, 1881 accepted as Riebeckia sokotorana (E. von Martens, 1881) (unaccepted > superseded combination)
453. Species Achatina solida Say, 1825 accepted as Liguus fasciatus (O. F. Müller, 1774) (unaccepted > junior subjective synonym)
454. Species Achatina solitaria C. B. Adams, 1851 accepted as Euvaricella solitaria (C. B. Adams, 1851) (original combination)
455. Species Achatina sowerbyana L. Pfeiffer, 1846 accepted as Euglandina sowerbyana (L. Pfeiffer, 1846) (original combination)
456. Species Achatina sowerbyi E. A. Smith, 1890 accepted as Leptocala mollicella (Morelet, 1860) (junior subjective synonym)
457. Species Achatina speciosa L. Pfeiffer, 1857 accepted as Guillarmodia speciosa (L. Pfeiffer, 1857) (original combination)
458. Species Achatina specularis Morelet, 1866 accepted as Leptocalina specularis (Morelet, 1866) (original combination)
459. Species Achatina spiculum W. H. Benson, 1856 accepted as Cecilioides acicula (O. F. Müller, 1774) (junior synonym)
460. Species Achatina splendens A. Braun, 1851 † accepted as Cochlicopa splendens (A. Braun, 1851) † (unaccepted > superseded combination)
461. Species Achatina stefaninii Connolly, 1925 accepted as Brownisca stefaninii (Connolly, 1925) (original combination)
462. Species Achatina stephaniana Benoit, 1862 accepted as Cecilioides acicula (O. F. Müller, 1774)
463. Species Achatina stewarti Green, 1827 accepted as Achatinella stewartii (Green, 1827) (unaccepted > superseded combination)
464. Species Achatina stigmatica Shuttleworth, 1852 accepted as Varicoglandina stigmatica (Shuttleworth, 1852) (original combination)
465. Species Achatina straminea Deshayes, 1851 accepted as Oleacina straminea (Deshayes, 1851) (unaccepted > superseded combination)
466. Species Achatina streptostyla L. Pfeiffer, 1846 accepted as Streptostyla streptostyla (L. Pfeiffer, 1846) (unaccepted > superseded combination)
467. Species Achatina strigosa Morelet, 1866 accepted as Pseudoglessula strigosa (Morelet, 1866) (original combination)
468. Species Achatina striosa C. B. Adams, 1849 accepted as Leptinaria striosa (C. B. Adams, 1849) (original combination)
469. Species Achatina studleyi Melvill & Ponsonby, 1897 accepted as Achatina tavaresiana Morelet, 1866 (unaccepted > junior subjective synonym)
470. Species Achatina subcylindrica Preston, 1909 accepted as Cochlitoma transvaalensis (E. A. Smith, 1878) (synonym)
     1. Subspecies Achatina subcylindrica deisenbecki Blume, 1952 accepted as Cochlitoma transvaalensis (E. A. Smith, 1878)
471. Species Achatina subovata S. I. Da Costa, 1907 accepted as Achatina greyi S. I. Da Costa, 1907 (synonym)
472. Species Achatina subrimata Reuss, 1849 † accepted as Hypnophila subrimata (Reuss, 1849) † (unaccepted > superseded combination)
473. Species Achatina subsulcosa Thomä, 1845 † accepted as Pseudoleacina subsulcosa (Thomä, 1845) † (unaccepted > superseded combination)
474. Species Achatina subula L. Pfeiffer, 1839 accepted as Allopeas subula (L. Pfeiffer, 1839) (original combination)
475. Species Achatina suturalis R. A. Philippi, 1849 accepted as Archachatina marginata suturalis (R. A. Philippi, 1849) (unaccepted > superseded combination)
476. Species Achatina sylvatica (Spix, 1827) accepted as Obeliscus sylvaticus (Spix, 1827)
477. Species Achatina sylvatica Putzeys, 1899 accepted as Achatina putzeysi Dautzenberg & Germain, 1914 (junior secondary homonym of Achatina sylvatica (Spix, 1827); Achatina putzeysi Dautzenberg & Germain, 1914 is a replacement name.)
478. Species Achatina tamulica W. T. Blanford & H. F. Blanford, 1861 accepted as Glessula tamulica (W. T. Blanford & H. F. Blanford, 1861) (original combination)
479. Species Achatina tenera C. B. Adams, 1850 accepted as Varicella tenera (C. B. Adams, 1850) (original combination)
480. Species Achatina tentilis Blanford, 1866 accepted as Glessula tentilis (Blanford, 1866) (original combination)
481. Species Achatina tenuispira W. H. Benson, 1836 accepted as Rishetia tenuispira (W. H. Benson, 1836) (original combination)
482. Species Achatina terveri de Boissy, 1848 † accepted as Pseudoleacina terveri (de Boissy, 1848) † (unaccepted > superseded combination)
483. Species Achatina texasiana L. Pfeiffer, 1856 accepted as Euglandina texasiana (L. Pfeiffer, 1856)
484. Species Achatina textilis W. T. Blanford, 1866 accepted as Glessula textilis (W. T. Blanford, 1866) (unaccepted > superseded combination)
485. Species Achatina thermalis Bequaert & Clench, 1936 accepted as Leptocalina thermalis (Bequaert & Clench, 1936) (unaccepted > superseded combination)
486. Species Achatina thomsoni E. A. Smith, 1880 accepted as Achatina spekei Dohrn, 1864 (junior subjective synonym)
487. Species Achatina tigrina H. Beck, 1837 accepted as Cochlitoma zebra tigrina (H. Beck, 1837) (unaccepted > superseded combination)
488. Species Achatina tincta Reeve, 1842 sensu Gruvel, 1913 accepted as Achatina achatina elegans (Link, 1807) (misidentification)
489. Species Achatina togoensis Bequaert & Clench, 1934 accepted as Achatina achatina togoensis Bequaert & Clench, 1934 (unaccepted > superseded combination)
490. Species Achatina tortillana L. Pfeiffer, 1846 accepted as Guillarmodia tortillana (L. Pfeiffer, 1846) (original combination)
491. Species Achatina transvaalensis E. A. Smith, 1878 accepted as Cochlitoma transvaalensis (E. A. Smith, 1878) (superseded combination)
492. Species Achatina trinitaria Poey, 1858 accepted as Varicella trinitaria (Poey, 1858) (original combination)
493. Species Achatina trochlea L. Pfeiffer, 1842 accepted as Subulina octona (Bruguière, 1789) (junior synonym)
494. Species Achatina trochlearis (L. Pfeiffer, 1842) accepted as Antonella trochlearis (L. Pfeiffer, 1842) (unaccepted > superseded combination)
495. Species Achatina trypanodes L. Pfeiffer, 1856 accepted as Pseudosubulina trypanodes (L. Pfeiffer, 1856) (original combination)
496. Species Achatina tuberculata R. T. Lowe, 1852 accepted as Amphorella tuberculata (R. T. Lowe, 1852) (original combination)
497. Species Achatina turbinata I. Lea, 1841 accepted as Lignus turbinatus (I. Lea, 1841) (original combination)
498. Species Achatina turricula Mighels, 1845 accepted as Carelia turricula (Mighels, 1845) (unaccepted > superseded combination)
499. Species Achatina unicolor C. B. Adams, 1849 accepted as Euvaricella angiostoma (C. B. Adams, 1849) (junior synonym)
500. Species Achatina usambarensis Rolle, 1895 accepted as Lissachatina zanzibarica (Bourguignat, 1879) (junior synonym)
501. Species Achatina ustulata Lamarck, 1822 accepted as Cochlitoma ustulata (Lamarck, 1822)
502. Species Achatina vadalica W. H. Benson, 1865 accepted as Glessula vadalica (W. H. Benson, 1865) (original combination)
503. Species Achatina vanuxemensis I. Lea, 1834 accepted as Euglandina vanuxemensis (I. Lea, 1834) (original combination)
504. Species Achatina varicosa L. Pfeiffer, 1861 accepted as Cochlitoma varicosa (L. Pfeiffer, 1861) (original combination)
505. Species Achatina variegata Lamarck, 1801 accepted as Achatina achatina (Linnaeus, 1758) (junior synonym)
     1. Variety Achatina variegata var. gracilis Preston, 1909 accepted as Achatina achatina elegans (Link, 1807) (junior synonym)
     2. Variety Achatina variegata var. minima Germain, 1912 accepted as Achatina achatina elegans (Link, 1807) (junior synonym)
     3. Variety Achatina variegata var. minor Morelet, 1888 accepted as Achatina achatina elegans (Link, 1807) (junior synonym)
506. Species Achatina veneta Strobel, 1855 accepted as Cecilioides veneta (Strobel, 1855) (unaccepted > superseded combination)
507. Species Achatina ventricosa A. Gould, 1850 accepted as Archachatina ventricosa (A. Gould, 1850) (original combination)
508. Species Achatina veru W. H. Benson, 1856 accepted as Cecilioides acicula (O. F. Müller, 1774) (unaccepted > junior subjective synonym)
509. Species Achatina veruina W. H. Benson, 1853 accepted as Glessula veruina (W. H. Benson, 1853) (original combination)
510. Species Achatina vestita L. Pfeiffer, 1855 accepted as Cochlitoma vestita (L. Pfeiffer, 1855) (original combination)
511. Species Achatina vialaii de Serres, 1844 † accepted as Palaeoglandina costellata vialaii (de Serres, 1844) † (superseded rank and combination)
512. Species Achatina vicina C. B. Adams, 1845 accepted as Varicella vicina (C. B. Adams, 1845) (original combination)
513. Species Achatina vignoni Morelet, 1860 accepted as Pseudachatina vignoni (Morelet, 1860) (unaccepted > superseded combination)
514. Species Achatina vitrea P. B. Webb & S. Berthelot, 1833 accepted as Ferussacia vitrea (P. B. Webb & S. Berthelot, 1833) (unaccepted > superseded combination, original combination)
515. Species Achatina vittata Swainson, 1822 accepted as Liguus vittatus (Swainson, 1822) (unaccepted > superseded combination)
516. Species Achatina wallacei L. Pfeiffer, 1856 accepted as Glessula wallacei (L. Pfeiffer, 1856) (original combination)
517. Species Achatina weberi Bequaert, 1950 accepted as Brownisca weberi (Bequaert, 1950) (unaccepted > superseded combination)
518. Species Achatina wildemani Dautzenberg, 1908 accepted as Leptocalina specularis (Morelet, 1866)
519. Species Achatina yalaensis Germain, 1936 accepted as Oreohomorus connollyi (Odhner, 1932)
520. Species Achatina yatesi L. Pfeiffer, 1855 accepted as Subulina yatesi (L. Pfeiffer, 1855) (original combination)
521. Species Achatina zanzibarica Bourguignat, 1879 accepted as Lissachatina zanzibarica (Bourguignat, 1879) (original combination)
     1. Variety Achatina zanzibarica var. naegelei C. Boettger, 1913 accepted as Lissachatina zanzibarica (Bourguignat, 1879) (junior synonym)
522. Species Achatina zebra (Bruguière, 1792) accepted as Cochlitoma zebra (Bruguière, 1792)
     1. Subspecies Achatina zebra fulgurata L. Pfeiffer, 1853 accepted as Cochlitoma zebra fulgurata (L. Pfeiffer, 1853)
     2. Subspecies Achatina zebra kraussi Reeve, 1842 accepted as Cochlitoma zebra kraussi (Reeve, 1842)
     3. Subspecies Achatina zebra linterae G. B. Sowerby III, 1890 accepted as Cochlitoma zebra linterae (G. B. Sowerby III, 1890)
     4. Subspecies Achatina zebra obesa L. Pfeiffer, 1854 accepted as Cochlitoma zebra obesa (L. Pfeiffer, 1854)
     5. Subspecies Achatina zebra tigrina H. Beck, 1837 accepted as Cochlitoma zebra tigrina (H. Beck, 1837) (unaccepted > superseded combination)
     6. Variety Achatina zebra var. granulata Krauss, 1848 accepted as Cochlitoma granulata (Krauss, 1848) (basionym)
     7. Variety Achatina zebra var. macrostoma H. Beck, 1837 accepted as Lissachatina fulica (Bowdich, 1822) (junior synonym)
     8. Subspecies Achatina zebra zebra (Bruguière, 1792) accepted as Cochlitoma zebra zebra (Bruguière, 1792)
     9. Subspecies Achatina zebra zebroides E. A. Smith, 1878 accepted as Cochlitoma zebra zebroides (E. A. Smith, 1878)
523. Species Achatina zebrina S. I. Da Costa, 1907 accepted as Achatina greyi S. I. Da Costa, 1907 (synonym)
524. Species Achatina zebriolata Morelet, 1866 accepted as Leptocalina zebriolata (Morelet, 1866) (original combination)
525. Species Achatina zebroides E. A. Smith, 1878 accepted as Achatina zebra zebroides E. A. Smith, 1878 (unaccepted > superseded combination)
526. Species Achatina zebrula E. von Martens, 1900 accepted as Cochlitoma zebra (Bruguière, 1792) (junior synonym)
527. Species Achatina zuluensis Connolly, 1939 accepted as Cochlitoma zuluensis (Connolly, 1939) (original combination)
528. Subgenus Achatina (Achatina) Lamarck, 1799 represented as Achatina Lamarck, 1799
     1. Species Achatina (Achatina) capelloi Furtado, 1886 accepted as Lissachatina capelloi (Furtado, 1886)
     2. Species Achatina (Achatina) fulica (Bowdich, 1822) accepted as Lissachatina fulica (Bowdich, 1822) (unaccepted > superseded combination)
     3. Species Achatina (Achatina) marginata Swainson, 1821 accepted as Archachatina marginata (Swainson, 1821) (unaccepted > superseded combination)
     4. Species Achatina (Achatina) schoutendeni Dautzenberg & Germain, 1914 accepted as Achatina schoutedeni Dautzenberg & Germain, 1914
     5. Species Achatina (Achatina) zebra (Bruguière, 1792) accepted as Cochlitoma zebra (Bruguière, 1792) (unaccepted > superseded combination)
     6. Species Achatina (Achatina) achatina (Linnaeus, 1758) represented as Achatina achatina (Linnaeus, 1758)
        1. Subspecies Achatina (Achatina) achatina achatina (Linnaeus, 1758) represented as Achatina achatina achatina (Linnaeus, 1758)
        2. Subspecies Achatina (Achatina) achatina bayoli Morelet, 1888 represented as Achatina achatina bayoli Morelet, 1888
        3. Subspecies Achatina (Achatina) achatina depravata Bequaert, 1950 represented as Achatina achatina depravata Bequaert, 1950
        4. Subspecies Achatina (Achatina) achatina elegans (Link, 1807) represented as Achatina achatina elegans (Link, 1807)
        5. Subspecies Achatina (Achatina) achatina monochromatica Pilsbry, 1904 represented as Achatina achatina monochromatica Pilsbry, 1904
        6. Subspecies Achatina (Achatina) achatina roseolabiata Bequaert, 1950 represented as Achatina achatina roseolabiata Bequaert, 1950
        7. Subspecies Achatina (Achatina) achatina togoensis Bequaert & Clench, 1934 represented as Achatina achatina togoensis Bequaert & Clench, 1934
     7. Species Achatina (Achatina) ampullacea O. Boettger, 1910 represented as Achatina ampullacea O. Boettger, 1910
     8. Species Achatina (Achatina) balteata Reeve, 1849 represented as Achatina balteata Reeve, 1849
        1. Subspecies Achatina (Achatina) balteata balteata Reeve, 1849 represented as Achatina balteata balteata Reeve, 1849
        2. Subspecies Achatina (Achatina) balteata infrafusca E. von Martens, 1897 represented as Achatina balteata infrafusca E. von Martens, 1897
     9. Species Achatina (Achatina) bayaona Morelet, 1866 represented as Achatina bayaona Morelet, 1866
     10. Species Achatina (Achatina) bisculpta E. A. Smith, 1878 represented as Achatina bisculpta E. A. Smith, 1878
     11. Species Achatina (Achatina) connollyi Preston, 1912 represented as Achatina connollyi Preston, 1912
     12. Species Achatina (Achatina) craveni E. A. Smith, 1881 represented as Achatina craveni E. A. Smith, 1881
     13. Species Achatina (Achatina) dammarensis L. Pfeiffer, 1870 represented as Achatina dammarensis L. Pfeiffer, 1870
     14. Species Achatina (Achatina) iostoma L. Pfeiffer, 1854 represented as Achatina iostoma L. Pfeiffer, 1854
     15. Species Achatina (Achatina) passargei E. von Martens, 1900 represented as Achatina passargei E. von Martens, 1900
     16. Species Achatina (Achatina) schinziana Mousson, 1888 represented as Achatina schinziana Mousson, 1888
     17. Species Achatina (Achatina) smithii Craven, 1881 represented as Achatina smithii Craven, 1881
     18. Species Achatina (Achatina) tracheia Connolly, 1929 represented as Achatina tracheia Connolly, 1929
     19. Species Achatina (Achatina) vassei Germain, 1918 represented as Achatina vassei Germain, 1918 (basionym)
529. Subgenus Achatina (Pintoa) Bourguignat, 1890 represented as Achatina Lamarck, 1799
     1. Species Achatina (Pintoa) capelloi (Furtado, 1886) accepted as Lissachatina capelloi (Furtado, 1886)
     2. Species Achatina (Pintoa) colubrina Morelet, 1866 accepted as Leptocalina colubrina (Morelet, 1866)
     3. Species Achatina (Pintoa) semidecussata L. Pfeiffer, 1856 accepted as Cochlitoma semidecussata (L. Pfeiffer, 1846)
     4. Species Achatina (Pintoa) thermalis Bequaert & Clench, 1936 accepted as Leptocalina thermalis (Bequaert & Clench, 1936)
     5. Species Achatina (Pintoa) zebriola [sic] accepted as Leptocalina zebriolata (Morelet, 1866)
     6. Species Achatina (Pintoa) pfeifferi Dunker, 1845 represented as Achatina pfeifferi Dunker, 1845
     7. Species Achatina (Pintoa) polychroa Morelet, 1866 represented as Achatina polychroa Morelet, 1866
530. Subgenus Achatina (Tripachatina) Bourguignat, 1890 represented as Achatina Lamarck, 1799
     1. Species Achatina (Tripachatina) vignoniana Morelet, 1874 represented as Achatina vignoniana Morelet, 1874
531. Species Achatina aequatoria Reeve, 1849 (uncertain > taxon inquirendum)
532. Species Achatina antiqua Deshayes, 1863 † (uncertain > taxon inquirendum)
533. Species Achatina biondiana Benoit, 1862 (uncertain > taxon inquirendum)
534. Species Achatina bourguignatiana Benoit, 1862 (uncertain > taxon inquirendum)
535. Species Achatina buccinula Grateloup, 1828 † (uncertain > taxon inquirendum)
536. Species Achatina carinata L. Pfeiffer, 1846 (uncertain > taxon inquirendum)
537. Species Achatina carnea L. Pfeiffer, 1854 (uncertain > taxon inquirendum)
538. Species Achatina cerea L. Pfeiffer, 1854 (uncertain > unassessed)
539. Species Achatina chinensis L. Pfeiffer, 1855 (uncertain > taxon inquirendum)
540. Species Achatina costulata L. Pfeiffer, 1845 (uncertain > taxon inquirendum, invalid; not C. B. Adams, 1845, Achatina ornata is a replacement name)
541. Species Achatina darnaudi L. Pfeiffer, 1856 (uncertain > taxon inquirendum)
542. Species Achatina exilis L. Pfeiffer, 1839 (uncertain > taxon inquirendum)
543. Species Achatina foxcrofti L. Pfeiffer, 1861 (uncertain > taxon inquirendum)
544. Species Achatina fraseri L. Pfeiffer, 1846 (uncertain > taxon inquirendum)
545. Species Achatina gouldii Reeve, 1850 (uncertain > taxon inquirendum, no documented use in recent literature)
546. Species Achatina hudiensis L. R. Cox, 1933 † (uncertain > taxon inquirendum)
547. Species Achatina laevigata L. Pfeiffer, 1855 (uncertain > taxon inquirendum)
548. Species Achatina moreletiana Deshayes, 1851 (uncertain > taxon inquirendum)
549. Species Achatina nympha L. Pfeiffer, 1842 (uncertain > unassessed)
550. Species Achatina ornata L. Pfeiffer, 1846 (uncertain > unassessed)
551. Species Achatina paivana Morelet, 1866 (uncertain > taxon inquirendum)
552. Species Achatina perversa Spix, 1827 (uncertain > taxon inquirendum)
553. Species Achatina rangiana L. Pfeiffer, 1847 (uncertain > taxon inquirendum)
554. Species Achatina reeveana L. Pfeiffer, 1849 (uncertain > unassessed)
555. Species Achatina retzii d'Ailly, 1910 (uncertain > unassessed)
556. Species Achatina rizzeana Benoit, 1862 (uncertain > taxon inquirendum)
557. Species Achatina rucifex (Capello & Ivens, 1881) (uncertain > unassessed)
558. Species Achatina schuttleworthi L. Pfeiffer, 1856 (uncertain > taxon inquirendum)
559. Species Achatina striata I. Lea, 1841 (uncertain > taxon inquirendum)
560. Species Achatina tandoniana Shuttleworth, 1852 (uncertain > unassessed)
561. Species Achatina terebella R. T. Lowe, 1852 (uncertain > taxon inquirendum)
562. Species Achatina torrida A. Gould, 1843 (uncertain > taxon inquirendum)
563. Species Achatina virens L. Pfeiffer, 1855 (uncertain > taxon inquirendum)
564. Species Achatina vivipara G. B. Sowerby I, 1838 (uncertain > taxon inquirendum, use in recent liteature currently undocumented)

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