| Mydonomidae Thorne, 1964 |
| Calolaiminae Goseco, Ferris & Ferris, 1976 |
| Calolaimus Timm, 1964 |
| Timmus Goseco, Ferris & Ferris, 1976 |
| Mydonominae Thorne, 1964 |
| Athernema Ahmad & Jairajpuri, 1978 |
| Agmodorus Thorne, 1964 |
| Dorylaimoides Thorne & Swanger, 1936 |
| Morasia Baqri & Jairajpuri, 1969 |
| Mydonomus Thorne, 1964 |
| Tylencholaimellidae Jairajpuri, 1964 |
| Paratylencholaiminae subfam. nov. |
| GoferusJairajpuri & Ahmad, 1992 |
| Paratylencholaimus gen. nov. |
| Tylencholaimellinae Jairajpuri, 1964Doryllium Cobb, 1920 |
| Dorella Jairajpuri, 1964 |
| Doryllium Cobb, 1920 |
| Margollus Peña-Santiago, Peralta & Siddiqi, 1993 |
| Oostenbrinkella Jairajpuri, 1965 |
| Phellonema Thorne, 1964 |
| Tylencholaimellus Cobb in Cobb, 1915 |