Tridenchthoniidae Balzan, 1892

Anaulacodithella Beier, 1944

Chelignathus Menge, 1854

Compsaditha J. C. Chamberlin, 1929

Cryptoditha J. C. Chamberlin & R. V. Chamberlin, 1945

Ditha J. C. Chamberlin, 1929

Dithella J. C. Chamberlin & R. V. Chamberlin, 1945

Haploditha Caporiacco, 1951

Heterolophus Tömösváry, 1884

Neoditha Feio, 1945

Pycnodithella Beier, 1947

Rheodithella Dashdamirov & Judson, 2004

Sororoditha J. C. Chamberlin & R. V. Chamberlin, 1945

Tridenchthonius Balzan, 1887

Tyhloditha

Typhloditha Beier, 1955

Verrucaditha J. C. Chamberlin, 1929