| Gyratrix | |
|---|---|
 | |
| Gyratrix hermaphroditus | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Platyhelminthes |
| Order: | Rhabdocoela |
| Family: | Polycystididae |
| Genus: | Gyratrix Ehrenberg, 1831 |
Gyratrix is a genus of flatworms belonging to the family Polycystididae.
The genus has cosmopolitan distribution.
Species:
- Gyratrix hermaphroditus Ehrenberg, 1831
- Gyratrix proaviformis Karling & Schockaert, 1977