1. Tribe Allogonini K. C. Emberton, 1995
   1. Genus Allogona Pilsbry, 1939
   2. Genus Cryptomastix Pilsbry, 1939
   3. Genus Trilobopsis Pilsbry, 1939
2. Tribe Ashmunellini G. R. Webb, 1954
   1. Genus Ashmunella Pilsbry & T. D. A. Cockerell, 1899
3. Tribe Mesodontini Tryon, 1866
   1. Genus Appalachina Pilsbry, 1940
   2. Genus Fumonelix K. C. Emberton, 1991
   3. Genus Inflectarius Pilsbry, 1940
   4. Genus Mesodon A. Férussac, 1821
   5. Genus Patera Albers, 1850
   6. Genus Odomphium Rafinesque, 1831 accepted as Mesodon A. Férussac, 1821 (unaccepted > junior subjective synonym)
   7. Genus Odotropis Rafinesque, 1819 accepted as Patera Albers, 1850
   8. Genus Trophodon Rafinesque, 1831 accepted as Odotropis Rafinesque, 1819 accepted as Patera Albers, 1850 (unaccepted > junior objective synonym)
4. Tribe Stenotrematini K. C. Emberton, 1995
   1. Genus Euchemotrema Archer, 1939
   2. Genus Stenotrema Rafinesque, 1819
   3. Genus Caracollatus Archer, 1948 accepted as Stenotrema Rafinesque, 1819 (unaccepted > junior subjective synonym)
   4. Genus Chimotrema Rafinesque, 1819 accepted as Stenotrema Rafinesque, 1819 (unaccepted > junior subjective synonym)
   5. Genus Maxillifer Pilsbry, 1940 accepted as Stenotrema Rafinesque, 1819 (unaccepted > junior subjective synonym)
   6. Genus Stenostoma Rafinesque, 1831 accepted as Stenotrema (Stenotrema) Rafinesque, 1819 represented as Stenotrema Rafinesque, 1819 (unaccepted > junior subjective synonym)
   7. Genus Toxotrema Rafinesque, 1819 accepted as Stenotrema (Toxotrema) Rafinesque, 1819 represented as Stenotrema Rafinesque, 1819 (unaccepted > superseded rank)
5. Tribe Triodopisini Pilsbry, 1940
   1. Genus Neohelix Ihering, 1892
   2. Genus Triodopsis Rafinesque, 1819
   3. Genus Webbhelix K. C. Emberton, 1988
   4. Genus Xolotrema Rafinesque, 1819
6. Tribe Vespericolini K. C. Emberton, 1994
   1. Genus Hochbergellus B. Roth & W. B. Miller, 1992
   2. Genus Vespericola Pilsbry, 1939

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