| Nominal Species (n = 11) | Present allocation (n = 11) | Ref. |
|---|---|---|
| Selachinema acanthum Gerlach, 1957 | Kosswigonema acanthum | 75097 |
| Synonchiella denticulata Cobb, 1933 | Synonchiella denticulata | 19 |
| Synonchium depressum Gerlach, 1954 | Synonchium depressum | 19 |
| Synonchiella hopperi Ott, 1972 | Synonchiella hopperi | 19 |
| Synonchium obtusum Cobb, 1920 | Synonchium obtusum | 19 |
| Synonchium pacificum Yeates, 1967 | Synonchium pacificum | 19 |
| Demonema rapax Cobb, 1894 | Demonema rapax | 19 |
| Synonchiella spiculora Murphy, 1962 | Synonchiella spiculora | 19 |
| Synonchiella truncata Cobb, 1933 | Synonchiella truncata | 19 |
| Trogolaimus uniformis Cobb, 1920 | Trogolaimus uniformis | 19 |
| Cheironchus vorax Cobb, 1917 | Cheironchus vorax | 19 |