1. Subfamily Cyathocotylinae Mühling, 1898
   1. Genus Cyathocotyle Mühling, 1896
   2. Genus Holostephanus Szidat, 1936
   3. Genus Pseudhemistomum Szidat, 1936
   4. Genus Fengcotyle Tang & Tang, 1989 accepted as Holostephanoides Dubois, 1983 (unaccepted > junior subjective synonym)
2. Subfamily Muhlinginae Mehra, 1950
   1. Genus Muhlingina Mehra, 1950
3. Subfamily Prohemistominae Lutz, 1935
   1. Genus Linstowiella Szidat, 1933
   2. Genus Mesostephanoides Dubois, 1951
   3. Genus Mesostephanus Lutz, 1933
   4. Genus Paracoenogonimus Katsurada, 1914
   5. Genus Prohemistomum Odhner, 1913
   6. Genus Gelanocotyle Sudankov, 1961 accepted as Mesostephanus Lutz, 1933 (unaccepted > junior subjective synonym)
4. Subfamily Prosostephaninae Szidat, 1936
   1. Genus Duboisia Szidat, 1936
   2. Genus Prosostephanus Lutz, 1935
   3. Genus Serpentostephanus Sudarikov, 1961
   4. Genus Tangiella Sudarikov, 1961 accepted as Prosostephanus Lutz, 1935 (unaccepted > junior subjective synonym)
   5. Genus Travassosella Faust & Tang, 1938 accepted as Prosostephanus Lutz, 1935 (unaccepted > junior subjective synonym)
5. Subfamily Szidatiinae Dubois, 1938
   1. Genus Gogatea Lutz, 1935
   2. Genus Holostephanoides Dubois, 1983
   3. Genus Neogogatea Chandler & Rausch, 1947
   4. Genus Szidatia Dubois, 1938
6. Genus Cyathocotyloides Szidat, 1936 accepted as Holostephanus Szidat, 1936 (Synonym)
7. Subfamily Gogatinae Mehra, 1947 accepted as Szidatiinae Dubois, 1938 (unaccepted > junior subjective synonym)
8. Genus Paracyathocotyle Szidat, 1936 accepted as Cyathocotyle Mühling, 1896 (unaccepted > junior subjective synonym)
9. Subfamily Pseudohemistominae Szidat, 1936 accepted as Cyathocotylidae Mühling, 1898
10. Genus Prohemistomulum Ciurea, 1933 (uncertain > nomen dubium, larval name)

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