1. Species Alcithoe aillaudorum Bouchet & Poppe, 1988
2. Species Alcithoe albescens Bail & Limpus, 2005
3. Species Alcithoe arabica (Gmelin, 1791)
4. Species Alcithoe arabicula Marwick, 1926 †
5. Species Alcithoe bacchinalia L. C. King, 1934 †
6. Species Alcithoe bartrumi (L. C. King, 1933) †
7. Species Alcithoe bathgatei H. J. Finlay, 1926 †
8. Species Alcithoe benthicola (Dell, 1963)
9. Species Alcithoe brevis Marwick, 1926 †
10. Species Alcithoe bulbus (Marwick, 1931) †
11. Species Alcithoe callaghani (L. C. King, 1931) †
12. Species Alcithoe colesae Bail & Limpus, 2005
13. Species Alcithoe concisa Marwick, 1931 †
14. Species Alcithoe crassa Bail & Limpus, 2005
15. Species Alcithoe cylindrica Marwick, 1926 †
16. Species Alcithoe davegibbsi Hart, 1999
17. Species Alcithoe dilatata Marwick, 1926 †
18. Species Alcithoe dyscrita H. J. Finlay, 1926 †
19. Species Alcithoe elegans Bail & Limpus, 2005
20. Species Alcithoe exigua Marwick, 1926 †
21. Species Alcithoe familiaris Marwick, 1926 †
22. Species Alcithoe finlayi Marwick, 1926 †
23. Species Alcithoe firma (Marwick, 1926) †
24. Species Alcithoe fissurata (Dell, 1963)
25. Species Alcithoe flemingi Dell, 1978
26. Species Alcithoe fusus (Quoy & Gaimard, 1833)
27. Species Alcithoe gatesi Marwick, 1926 †
28. Species Alcithoe gravicostata L. C. King, 1931 †
29. Species Alcithoe haweraensis Marwick, 1926 †
30. Species Alcithoe hurupiensis Marwick, 1926 †
31. Species Alcithoe irregularis Marwick, 1926 †
32. Species Alcithoe jaculoides A. W. B. Powell, 1924
33. Species Alcithoe larochei Marwick, 1926
34. Species Alcithoe lepida Marwick, 1926 †
35. Species Alcithoe lutea (R. B. Watson, 1882)
36. Species Alcithoe macrocephala (H. J. Finlay, 1927) †
37. Species Alcithoe marlburiana L. C. King, 1934 †
38. Species Alcithoe murdochi (Marwick, 1926) †
39. Species Alcithoe nodulifera (Laws, 1935) †
40. Species Alcithoe orphanata Darragh, 1989 †
41. Species Alcithoe parva Marwick, 1926 †
42. Species Alcithoe phymatias H. J. Finlay, 1926 †
43. Species Alcithoe pinguella (Marwick, 1931) †
44. Species Alcithoe powelli (Laws, 1936) †
45. Species Alcithoe pseudolutea Bail & Limpus, 2005
46. Species Alcithoe regularis H. J. Finlay, 1926 †
47. Species Alcithoe renwicki (Marwick, 1928) †
48. Species Alcithoe resolutionensis C. A. Fleming, 1954 †
49. Species Alcithoe rugosa (Marwick, 1926) †
50. Species Alcithoe scitula (Marwick, 1926) †
51. Species Alcithoe scopi Marwick, 1926 †
52. Species Alcithoe seelyeorum Bail & Limpus, 2005
53. Species Alcithoe solida Marwick, 1926 †
54. Species Alcithoe tigrina Bail & Limpus, 2005
55. Species Alcithoe triregensis Bail & Limpus, 2005
56. Species Alcithoe turrita (Suter, 1917) †
57. Species Alcithoe uptonensis (L. C. King, 1934) †
58. Species Alcithoe wangaloaensis Stilwell, 2016 †
59. Species Alcithoe whakinoensis Marwick, 1926 †
60. Species Alcithoe wilsonae (A. W. B. Powell, 1933)
61. Subgenus Alcithoe (Alcithoe) H. Adams & A. Adams, 1853 accepted as Alcithoe H. Adams & A. Adams, 1853 (unaccepted > superseded rank)
    1. Species Alcithoe (Alcithoe) amundseni Stilwell & Zinsmeister, 1992 † accepted as Odontocymbiola amundseni (Stilwell & Zinsmeister, 1992) † (superseded combination)
    2. Species Alcithoe (Alcithoe) arabica (Gmelin, 1791) accepted as Alcithoe arabica (Gmelin, 1791) (superseded combination)
    3. Species Alcithoe (Alcithoe) haweraensis Marwick, 1926 † accepted as Alcithoe haweraensis Marwick, 1926 † (superseded combination)
    4. Species Alcithoe (Alcithoe) hurupiensis Marwick, 1926 † accepted as Alcithoe hurupiensis Marwick, 1926 † (superseded combination)
    5. Species Alcithoe (Alcithoe) macrocephala (H. J. Finlay, 1927) † accepted as Alcithoe macrocephala (H. J. Finlay, 1927) † (superseded combination)
    6. Species Alcithoe (Alcithoe) orphanata Darragh, 1989 † accepted as Alcithoe orphanata Darragh, 1989 † (superseded combination)
    7. Species Alcithoe (Alcithoe) swainsoni Marwick, 1926 accepted as Alcithoe arabica (Gmelin, 1791) (junior subjective synonym)
    8. Species Alcithoe (Alcithoe) turrita (Suter, 1917) † accepted as Alcithoe turrita (Suter, 1917) † (superseded combination)
62. Subgenus Alcithoe (Leporemax) C. S. Weaver & du Pont, 1970 accepted as Alcithoe H. Adams & A. Adams, 1853 (unaccepted > junior subjective synonym)
    1. Species Alcithoe (Leporemax) bathgatei H. J. Finlay, 1926 † accepted as Alcithoe bathgatei H. J. Finlay, 1926 † (superseded combination)
    2. Species Alcithoe (Leporemax) brevis Marwick, 1926 † accepted as Alcithoe brevis Marwick, 1926 † (superseded combination)
    3. Species Alcithoe (Leporemax) fusus (Quoy & Gaimard, 1833) accepted as Alcithoe fusus (Quoy & Gaimard, 1833) (superseded combination)
    4. Species Alcithoe (Leporemax) lepida Marwick, 1926 † accepted as Alcithoe lepida Marwick, 1926 † (superseded combination)
    5. Species Alcithoe (Leporemax) phymatias H. J. Finlay, 1926 † accepted as Alcithoe phymatias H. J. Finlay, 1926 † (superseded combination)
63. Subgenus Alcithoe (Waihaoia) Marwick, 1926 accepted as Spinomelon Marwick, 1926 (unaccepted > junior subjective synonym)
    1. Species Alcithoe (Waihaoia) cribrosa (Tate, 1889) † accepted as Spinomelon cribrosa (Tate, 1889) † (superseded combination)
    2. Species Alcithoe (Waihaoia) neglectoides Darragh, 1989 † accepted as Spinomelon neglectoides (Darragh, 1989) † (superseded combination)
    3. Species Alcithoe (Waihaoia) pagodoides (Tate, 1888) † accepted as Spinomelon pagodoides (Tate, 1888) † (superseded combination)
    4. Species Alcithoe (Waihaoia) pueblensis (Pritchard, 1898) † accepted as Spinomelon pueblensis (Pritchard, 1898) † (superseded combination)
    5. Species Alcithoe (Waihaoia) sarissa (Tate, 1889) † accepted as Spinomelon sarissa (Tate, 1889) † (superseded combination)
    6. Species Alcithoe (Waihaoia) tateana (R. M. Johnston, 1880) † accepted as Spinomelon tateana (R. M. Johnston, 1880) † (superseded combination)
64. Species Alcithoe acuta Marwick, 1926 † accepted as Alcithoe arabica (Gmelin, 1791) (junior subjective synonym)
65. Species Alcithoe amundseni Stilwell & Zinsmeister, 1992 † accepted as Odontocymbiola amundseni (Stilwell & Zinsmeister, 1992) † (superseded combination)
66. Species Alcithoe armigera Marwick, 1926 † accepted as Alcithoe cylindrica Marwick, 1926 † (junior subjective synonym)
67. Species Alcithoe calva A. W. B. Powell, 1928 accepted as Alcithoe jaculoides A. W. B. Powell, 1924 (unaccepted > junior subjective synonym)
68. Species Alcithoe chathamensis (Dell, 1956) accepted as Alcithoe wilsonae (A. W. B. Powell, 1933) (junior subjective synonym)
69. Species Alcithoe compressa Marwick, 1926 † accepted as Alcithoe cylindrica Marwick, 1926 † (junior subjective synonym)
70. Species Alcithoe detrita Marwick, 1926 † accepted as Alcithoe arabica (Gmelin, 1791) (junior subjective synonym)
71. Species Alcithoe johnstoni A. W. B. Powell, 1928 accepted as Alcithoe jaculoides A. W. B. Powell, 1924 (unaccepted > junior subjective synonym)
72. Species Alcithoe knoxi (Dell, 1956) accepted as Alcithoe wilsonae (A. W. B. Powell, 1933) (junior subjective synonym)
73. Species Alcithoe lutea Marwick, 1924 † accepted as Alcithoe arabica (Gmelin, 1791) (junior secondary homonym and synonym)
74. Species Alcithoe mackayi Marwick, 1926 † accepted as Alcithoe brevis Marwick, 1926 † (junior subjective synonym)
75. Species Alcithoe motutarensis A. W. B. Powell, 1928 accepted as Alcithoe arabica (Gmelin, 1791) (junior subjective synonym)
76. Species Alcithoe neglecta Marwick, 1926 † accepted as Alcithoe cylindrica Marwick, 1926 † (junior subjective synonym)
77. Species Alcithoe nukumaruensis (P. Marshall & Murdoch, 1920) † accepted as Alcithoe arabica (Gmelin, 1791) (junior subjective synonym)
78. Species Alcithoe oliveri Marwick, 1926 accepted as Mauira oliveri (Marwick, 1926) † (original combination)
79. Species Alcithoe ostenfeldi (Iredale, 1937) accepted as Alcithoe larochei ostenfeldi (Iredale, 1937)
80. Species Alcithoe propearabicula Bartrum & A. W. B. Powell, 1928 † accepted as Alcithoe parva Marwick, 1926 † (unaccepted > junior subjective synonym)
81. Species Alcithoe reflexa Marwick, 1926 † accepted as Alcithoe lepida Marwick, 1926 † (junior subjective synonym)
82. Species Alcithoe residua H. J. Finlay, 1926 † accepted as Spinomelon residua (H. J. Finlay, 1926) † (superseded combination)
83. Species Alcithoe robusta Marwick, 1926 † accepted as Alcithoe cylindrica Marwick, 1926 † (junior subjective synonym)
84. Species Alcithoe sarissa (Tate, 1889) † accepted as Spinomelon sarissa (Tate, 1889) † (superseded combination)
85. Species Alcithoe separabilis Laws, 1932 † accepted as Alcithoe lepida Marwick, 1926 † (junior subjective synonym)
86. Species Alcithoe sequax Marwick, 1926 † accepted as Alcithoe cylindrica Marwick, 1926 † (junior subjective synonym)
87. Species Alcithoe strongi Marwick, 1931 † accepted as Mauithoe strongi (Marwick, 1931) † (superseded combination)
88. Species Alcithoe subgracilis Marwick, 1926 † accepted as Alcithoe brevis Marwick, 1926 † (junior subjective synonym)
89. Species Alcithoe suropsilos (Stilwell & Zinsmeister, 1992) † accepted as Adelomelon suropsilos (Stilwell & Zinsmeister, 1992) † (superseded combination)
90. Species Alcithoe swainsoni Marwick, 1926 accepted as Alcithoe arabica (Gmelin, 1791) (junior subjective synonym)
91. Species Alcithoe transformis Marwick, 1926 † accepted as Alcithoe arabica (Gmelin, 1791) (junior subjective synonym)
92. Species Alcithoe vidali (R. A. Philippi, 1897) † accepted as Pachycymbiola vidali (R. A. Philippi, 1897) † (unaccepted > superseded combination)
93. Species Alcithoe wekaensis Marwick, 1926 † accepted as Alcithoe cylindrica Marwick, 1926 † (junior subjective synonym)

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