1. Tribe Adelomelonini Pilsbry & Olsson, 1954
   1. Genus Adelomelon Dall, 1906
   2. Genus Arctomelon Dall, 1915
   3. Genus Nanomelon Leal & Bouchet, 1989
   4. Genus Pachycymbiola Ihering, 1907
   5. Genus Boreomelon Dall, 1918 accepted as Arctomelon Dall, 1915 (objective synonym of Arctomelon)
   6. Genus Janeithoe Pilsbry & Olsson, 1954 accepted as Adelomelon Dall, 1906 (synonym)
   7. Genus Weaveria Clench & R. D. Turner, 1964 accepted as Adelomelon Dall, 1906 (synonym)
2. Tribe Alcithoini Pilsbry & Olsson, 1954
   1. Genus Alcithoe H. Adams & A. Adams, 1853
   2. Genus Gilvostia Iredale, 1937 accepted as Alcithoe H. Adams & A. Adams, 1853 (junior subjective synonym)
   3. Genus Leporemax C. S. Weaver & du Pont, 1970 accepted as Alcithoe H. Adams & A. Adams, 1853 (unaccepted > junior subjective synonym)
   4. Genus Palomelon H. J. Finlay, 1926 accepted as Alcithoe H. Adams & A. Adams, 1853 (junior subjective synonym)
3. Tribe Cymbiini H. Adams & A. Adams, 1853 (1847)
   1. Genus Cymbium Röding, 1798
   2. Genus Cymba Broderip, 1826 accepted as Cymbium Röding, 1798 (unaccepted > junior subjective synonym)
   3. Genus Yetus Bowdich, 1822 accepted as Cymbium Röding, 1798 (synonym)
   4. Genus Eucymba Dall, 1890 † (uncertain > unassessed)
4. Tribe Livoniini Bail & Poppe, 2001
   1. Genus Ericusa H. Adams & A. Adams, 1858
   2. Genus Livonia Gray, 1855
   3. Genus Notopeplum H. J. Finlay, 1927
   4. Genus Cottonia Iredale, 1934 accepted as Livonia Gray, 1855 (synonym)
   5. Genus Mamillana Crosse, 1871 accepted as Livonia Gray, 1855 (invalid: junior objective synonym of Livonia)
   6. Genus Mesericusa Iredale, 1929 accepted as Ericusa H. Adams & A. Adams, 1858 (synonym)
5. Tribe Odontocymbiolini Clench & R. D. Turner, 1964
   1. Genus Argentovoluta Vazquez & Caldini, 1989
   2. Genus Minicymbiola Klappenbach, 1979
   3. Genus Miomelon Dall, 1907
   4. Genus Odontocymbiola Clench & R. D. Turner, 1964
   5. Genus Tractolira Dall, 1896
   6. Genus Proscaphella Ihering, 1907 † accepted as Miomelon Dall, 1907 (synonym)
6. Tribe Zidonini H. Adams & A. Adams, 1853
   1. Genus Harpovoluta Thiele, 1912
   2. Genus Mauira Marwick, 1943 †
   3. Genus Mauithoe H. J. Finlay, 1930 †
   4. Genus Metamelon Marwick, 1926 †
   5. Genus Pachymelon Marwick, 1926 †
   6. Genus Provocator R. B. Watson, 1882
   7. Genus Spinomelon Marwick, 1926
   8. Genus Teremelon Marwick, 1926 †
   9. Genus Zidona H. Adams & A. Adams, 1853
   10. Genus Zygomelon Harasewych & B. A. Marshall, 1995
   11. Genus Guivillea R. B. Watson, 1886 accepted as Provocator R. B. Watson, 1882
   12. Genus Iredalina H. J. Finlay, 1926 accepted as Provocator (Iredalina) H. J. Finlay, 1926 represented as Provocator R. B. Watson, 1882 (superseded combination)
   13. Genus Pseudocymbium Cossmann, 1899 accepted as Provocator R. B. Watson, 1882
   14. Genus Wyvillea R. B. Watson, 1882 accepted as Provocator R. B. Watson, 1882 (invalid: junior homonym of Wyvillea Haswell, 1879; Guivillea and Pseudocymbium are replacement names)

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