| Protobalistium Temporal range: Early- Middle Eocene[1] |
|
|---|---|
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Subphylum: | Vertebrata |
| Infraphylum: | Gnathostomata |
| Superclass: | Osteichthyes |
| Genus: | Protobalistium |
Protobalistium is an extinct genus of prehistoric bony fish that lived from the early to middle Eocene.[1]