| Scientific Name | Author | English Name |
|---|---|---|
| Cyartonema flexile | Cobb, 1920 | |
| Paraterschellingia brevicaudata | (Kreis, 1924) | |
| Siphonolaimus roervikensis | unspecified | |
| Siphonolaimus tenuis | unspecified | |
| Siphonolaimus weismanni | (Zur Strassen, 1904) | |
| Siphonolaimus anticomoides | unspecified | |
| Siphonolaimus auratus | Wieser, 1956 | |
| Siphonolaimus cobbi | Reimann, 1966 | |
| Siphonolaimus conicus | Chitwwod, 1936 | |
| Siphonolaimus cylindricaudatus | unspecified | |
| Siphonolaimus dorylus | unspecified | |
| Siphonolaimus elongatus | unspecified | |
| Siphonolaimus falklandiae | unspecified | |
| Siphonolaimus gladiator | Wieser, 1956 | |
| Siphonolaimus niger | unspecified | |
| Siphonolaimus nigricans | unspecified | |
| Siphonolaimus obtusicaudatus | unspecified | |
| Siphonolaimus pachyderma | unspecified | |
| Siphonolaimus pellucidus | Allgen, 1932 | |
| Siphonolaimus purpureus | unspecified | |
| Solenolaimus obtusus | Cobb, 1894 | |
| Southernia zosterae | Allgen, 1929 |