- Barbonematinae
- Cylicolaiminae
- Cylicolaimus de Man, 1889
- Metacylicolaimus Schuurmans Stekhoven, 1946
- Paracylicolaimus Platonova, 1970
- Deontostomatinae Belogurov & Fadeeva, 1985
- Deontostoma Filipjev, 1916
- Tapia Belogurov & Fadeeva, 1985
- Leptosomatinae Filipjev, 1916
- Bongersia Platonova, 1988
- Leptosomatides Filipjev, 1918
- Leptosomatum Bastian, 1865
- Leptosomella Filipjev, 1927
- Orthophallonema Bongers, 1983
- Paraleptosomatides Mawson, 1956
- Syringonomus Hope & Murphy, 1969
- Tubolaimella Cobb, 1933
- Platycominae
- Platycoma Cobb, 1894
- Platycomopsis Ditlevsen, 1926
- Proplatycoma Platonova, 1976
- Pseudoplatycoma Chen, 2015
- Synonchinae Platonova, 1970
- Anivanema Platonova, 1976
- Eusynonchus Platonova, 1970
- Macronchus Inglis, 1964
- Paratuerkiana Platonova, 1970
- Sadkonavis Platonova, 1979
- Synonchoides Wieser, 1956
- Synonchus Cobb, 1894
- Triaulolaimus Platonova, 1979
- Tuerkiana Platonova, 1970
- Thoracostomatinae De Coninck, 1965
- Pseudocella Filipjev, 1927
- Thoracostoma Marion, 1870
- Triceratonematinae Belogurov & Fadeeva, 1985
- Pseudotriceratonema Belogurov & Fadeeva, 1985
- Triceratonema Platonova, 1976
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