| Protohydra | |
|---|---|
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Cnidaria |
| Class: | Hydrozoa |
| Order: | Anthoathecata |
| Family: | Protohydridae |
| Genus: | Protohydra Greeff, 1869 |
Protohydra is a genus of cnidarians belonging to the family Protohydridae.
The species of this genus are found in Europe and Northern America.
Species:
- Protohydra caulleryi Dawydoff, 1930
- Protohydra leuckarti Greeff, 1870
