1. Species Manzonia alexandrei Gofas, 2010
2. Species Manzonia arata Gofas, 2007
3. Species Manzonia bacalladoi Segers & Swinnen, 2002
4. Species Manzonia boavistensis Rolán, 1987
5. Species Manzonia boogi Moolenbeek & M. J. Faber, 1987
6. Species Manzonia boucheti Amati, 1992
7. Species Manzonia bravensis Rolán, 1987
8. Species Manzonia caboverdensis Rolán, 1987
9. Species Manzonia castanea Moolenbeek & M. J. Faber, 1987
10. Species Manzonia crassa (Kanmacher, 1798)
11. Species Manzonia crispa (R. B. Watson, 1873)
12. Species Manzonia dionisi Rolán, 1987
13. Species Manzonia epima (Dall & C. T. Simpson, 1901)
14. Species Manzonia fusulus Gofas, 2007
15. Species Manzonia geometrica Beck & Gofas, 2007
16. Species Manzonia guitiani Rolán, 1987
17. Species Manzonia heroensis Moolenbeek & Hoenselaar, 1992
18. Species Manzonia insulsa Rolán, 1987
19. Species Manzonia lanzarottii Moolenbeek & M. J. Faber, 1987
20. Species Manzonia lusitanica Gofas, 2007
21. Species Manzonia madeirensis Moolenbeek & M. J. Faber, 1987
22. Species Manzonia manzoniana (Rolán, 1987)
23. Species Manzonia martinsi S. P. Ávila & Cordeiro, 2015
24. Species Manzonia overdiepi van Aartsen, 1983
25. Species Manzonia salensis Rolán, 1987
26. Species Manzonia segadei Rolán, 1987
27. Species Manzonia taeniata Gofas, 2007
28. Species Manzonia talaverai Moolenbeek & M. J. Faber, 1987
29. Species Manzonia thomensis Rolán & F. Fernandes, 1990
30. Species Manzonia unifasciata Dautzenberg, 1889
31. Species Manzonia vigoensis (Rolán, 1983)
32. Species Manzonia wilmae Moolenbeek & M. J. Faber, 1987
33. Species Manzonia xicoi Rolán, 1987
34. Subgenus Manzonia (Taramellia) L. Seguenza, 1903 (uncertain > taxon inquirendum)
    1. Species Manzonia (Taramellia) minuta Hornung & Mermod, 1927 accepted as Sansoniella minuta (Hornung & Mermod, 1927) (basionym)
35. Subgenus Manzonia (Actonia) Monterosato, 1884 accepted as Manzonia Brusina, 1870 (unaccepted > junior subjective synonym)
    1. Species Manzonia (Actonia) granulosculpta L. Seguenza, 1903 (uncertain > unassessed, not reported in recent literature)
36. Subgenus Manzonia (Alvinia) Monterosato, 1884 accepted as Alvania Risso, 1826 (unaccepted > junior subjective synonym)
    1. Species Manzonia (Alvinia) fischeri (Jeffreys, 1884) accepted as Alvania fischeri (Jeffreys, 1884) (unaccepted > superseded combination)
    2. Species Manzonia (Alvinia) limensis Ponder & Worsfold, 1994 accepted as Alvania limensis (Ponder & Worsfold, 1994) (unaccepted > superseded combination)
    3. Species Manzonia (Alvinia) sleursi Amati, 1987 accepted as Alvania sleursi (Amati, 1987)
    4. Species Manzonia (Alvinia) subareolata (Monterosato, 1869) accepted as Alvania subareolata Monterosato, 1869 (unaccepted > superseded combination)
    5. Species Manzonia (Alvinia) weinkauffi (Schwartz von Mohrenstern, 1868) accepted as Alvania weinkauffi Weinkauff, 1868
37. Subgenus Manzonia (Andrewiella) F. Nordsieck, 1972 accepted as Alvania Risso, 1826 (unaccepted > junior subjective synonym)
38. Subgenus Manzonia (Flemingia) Jeffreys, 1884 accepted as Alvania Risso, 1826 (unaccepted > junior subjective synonym)
    1. Species Manzonia (Flemingia) zetlandica (Montagu, 1816) accepted as Alvania zetlandica (Montagu, 1816) (unaccepted > superseded combination)
39. Subgenus Manzonia (Galeodina) Monterosato, 1884 accepted as Alvania Risso, 1826 (unaccepted > junior subjective synonym)
40. Subgenus Manzonia (Manzonia) Brusina, 1870 accepted as Manzonia Brusina, 1870 (unaccepted > superseded rank)
    1. Species Manzonia (Manzonia) boogi Moolenbeek & M. J. Faber, 1987 accepted as Manzonia boogi Moolenbeek & M. J. Faber, 1987
    2. Species Manzonia (Manzonia) costata (J. Adams, 1797) accepted as Manzonia crassa (Kanmacher, 1798) (unaccepted > junior subjective synonym)
41. Subgenus Manzonia (Seguenziella) Sacco, 1904 accepted as Alvania Risso, 1826 (unaccepted > junior subjective synonym, junior homonym)
42. Subgenus Manzonia (Simulamerelina) Ponder, 1985 accepted as Simulamerelina Ponder, 1985 (unaccepted > superseded rank)
    1. Species Manzonia (Simulamerelina) gemmata (A. W. B. Powell, 1927) accepted as Simulamerelina gemmata (A. W. B. Powell, 1927) (superseded combination)
    2. Species Manzonia (Simulamerelina) corruga (Laseron, 1956) represented as Simulamerelina corruga (Laseron, 1956)
    3. Species Manzonia (Simulamerelina) crassula (Rehder, 1980) represented as Simulamerelina crassula (Rehder, 1980)
    4. Species Manzonia (Simulamerelina) granulosa (Pease, 1862) represented as Simulamerelina granulosa (Pease, 1862)
    5. Species Manzonia (Simulamerelina) hewa (Kay, 1979) represented as Simulamerelina hewa (Kay, 1979)
    6. Species Manzonia (Simulamerelina) longinqua (Rehder, 1980) represented as Simulamerelina longinqua (Rehder, 1980)
    7. Species Manzonia (Simulamerelina) tokyoensis (Pilsbry, 1904) represented as Simulamerelina tokyoensis (Pilsbry, 1904)
    8. Species Manzonia (Simulamerelina) wanawana (Kay, 1979) represented as Simulamerelina wanawana (Kay, 1979)
43. Species Manzonia aequisculpta (Keep, 1887) accepted as Alvinia aequisculpta (Keep, 1887) accepted as Alvania aequisculpta Keep, 1887
44. Species Manzonia almo (Bartsch, 1911) accepted as Alvania almo Bartsch, 1911
45. Species Manzonia caribaea (A. d'Orbigny, 1842) accepted as Simulamerelina caribaea (A. d'Orbigny, 1842)
46. Species Manzonia corruga (Laseron, 1956) accepted as Simulamerelina corruga (Laseron, 1956)
47. Species Manzonia cosmia (Bartsch, 1911) accepted as Alvinia cosmia (Bartsch, 1911) accepted as Alvania cosmia Bartsch, 1911
48. Species Manzonia costata (J. Adams, 1797) accepted as Manzonia crassa (Kanmacher, 1798) (unaccepted > junior subjective synonym)
49. Species Manzonia crassula (Rehder, 1980) accepted as Simulamerelina crassula (Rehder, 1980)
50. Species Manzonia darwini Moolenbeek & M. J. Faber, 1987 accepted as Manzonia guitiani Rolán, 1987 (unaccepted > junior subjective synonym)
51. Species Manzonia fariai Rolán & F. Fernandes, 1990 accepted as Galeodinopsis fariai (Rolán & F. Fernandes, 1990) (original combination)
52. Species Manzonia gemmata (A. W. B. Powell, 1927) accepted as Simulamerelina gemmata (A. W. B. Powell, 1927) (superseded combination)
53. Species Manzonia gibbera (R. B. Watson, 1873) accepted as Madeiranzonia gibbera (R. B. Watson, 1873) (unaccepted > superseded combination)
54. Species Manzonia gofasi Rolán & F. Fernandes, 1990 accepted as Alvania gofasi (Rolán & F. Fernandes, 1990) (original combination)
55. Species Manzonia granulosa (Pease, 1862) accepted as Simulamerelina granulosa (Pease, 1862)
56. Species Manzonia granulosculpta L. Seguenza, 1903 accepted as Alvania litoralis (F. Nordsieck, 1972) (dubious synonym)
57. Species Manzonia hewa (Kay, 1979) accepted as Simulamerelina hewa (Kay, 1979)
58. Species Manzonia hildegardis F. Nordsieck, 1972 accepted as Manzonia crispa (R. B. Watson, 1873) (synonym)
59. Species Manzonia longinqua (Rehder, 1980) accepted as Simulamerelina longinqua (Rehder, 1980)
60. Species Manzonia minuta Hornung & Mermod, 1927 accepted as Sansoniella minuta (Hornung & Mermod, 1927) (original combination)
61. Species Manzonia pelorum Moolenbeek & M. J. Faber, 1987 accepted as Manzonia dionisi Rolán, 1987
62. Species Manzonia purpurea (Dall, 1871) accepted as Alvinia purpurea (Dall, 1871) accepted as Alvania purpurea Dall, 1871
63. Species Manzonia tokyoensis (Pilsbry, 1904) accepted as Simulamerelina tokyoensis (Pilsbry, 1904)
64. Species Manzonia wanawana (Kay, 1979) accepted as Simulamerelina wanawana (Kay, 1979)
65. Species Manzonia zetlandica (Montagu, 1816) accepted as Alvania zetlandica (Montagu, 1816)

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