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 (unaccepted > junior objective synonym)
   6. Genus Janeithoe Pilsbry & Olsson, 1954 accepted as Adelomelon Dall, 1906 (unaccepted > junior subjective synonym)
   7. Genus Weaveria Clench & R. D. Turner, 1964 accepted as Adelomelon Dall, 1906 (unaccepted > junior subjective 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 (unaccepted > 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 (unaccepted > junior subjective synonym)
4. Tribe Livoniini Bail & Poppe, 2001
   1. Genus Ericusa H. Adams & A. Adams, 1858
   2. Genus Livonia J. E. Gray, 1855
   3. Genus Notopeplum H. J. Finlay, 1927
   4. Genus Cottonia Iredale, 1934 accepted as Livonia J. E. Gray, 1855 (unaccepted > junior subjective synonym)
   5. Genus Mamillana Crosse, 1871 accepted as Livonia J. E. Gray, 1855 (unaccepted > junior objective synonym)
   6. Genus Mesericusa Iredale, 1929 accepted as Ericusa H. Adams & A. Adams, 1858 (unaccepted > junior subjective 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. Tribe Zidonini H. Adams & A. Adams, 1853
   1. Genus Harpovoluta Thiele, 1912
   2. Genus Provocator R. B. Watson, 1882
   3. Genus Spinomelon Marwick, 1926
   4. Genus Zidona H. Adams & A. Adams, 1853
   5. Genus Zygomelon Harasewych & B. A. Marshall, 1995
   6. Genus Guivillea R. B. Watson, 1886 accepted as Provocator R. B. Watson, 1882 (unaccepted > junior subjective synonym)
   7. Genus Iredalina H. J. Finlay, 1926 accepted as Provocator (Iredalina) H. J. Finlay, 1926 represented as Provocator R. B. Watson, 1882 (unaccepted > superseded rank)
   8. Genus Pseudocymbium Cossmann, 1899 accepted as Provocator R. B. Watson, 1882 (unaccepted > junior subjective synonym)
   9. Genus Waihaoia Marwick, 1926 accepted as Spinomelon Marwick, 1926 (junior subjective synonym)
   10. 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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