| Scientific Name | Author | English Name |
|---|---|---|
| Trefusia zostericola | Allgen, 1933 | |
| Trefusia varians | Gerlach, 1933 | |
| Trefusia obtusicaudata | Allgen, 1933 | |
| Trefusia magna | Filipjev, 1946 | |
| Trefusia longicauda | De Man, 1893 | |
| Trefusia litoralis | (Allgen, 1932) | |
| Trefusia helgolandica | Riemann, 1966 | |
| Trefusia filum | Stekhoven, 1942 | |
| Trefusia filicauda | Allgen, 1933 | |
| Trefusia axonolaimoides | Allgen, 1959 | |
| Trefusia cornea | Gerlach, 1958 | |
| Rhabdocoma macrura | Cobb, 1920 | |
| Rhabdocoma brevicauda | Stekhoven, 1950 | |
| Rhabdocoma americana | Cobb, 1920 | |
| Rhabdocoma articulata | Gerlach, 1955 | |
| Halanonchus zosterae | (Allgen, 1933) | |
| Halanonchus renatus | (Timm, 1961) | |
| Halanonchus macrurus | Cobb, 1920 | |
| Halanonchus macramphidus | Chitwood, 1936 | |
| Halanonchus bullatus | Gerlach, 1964 | |
| Cytolaimium conicum | (Gerlach, 1957) | |
| Cytolaimium exile | Cobb, 1920 |