| Occidentis | |
|---|---|
| Juvenile of O. ayresii | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Infraphylum: | Agnatha |
| Class: | Petromyzontida |
| Order: | Petromyzontiformes |
| Family: | Petromyzontidae |
| Genus: | Occidentis Carim et al., 2024 |
| Type species | |
| Petromyzon ayresii Günther, 1870 | |
| Species | |
Occidentis is a genus of lampreys in the family Petromyzontidae.