| Plethodus Temporal range:   | |
|---|---|
|   | |
|  Scientific classification   | |
| Kingdom: | Animalia | 
| Phylum: | Chordata | 
| Class: | Actinopterygii | 
| Order: | † Tselfatiiformes | 
| Family: | † Plethodidae | 
| Genus: | † Plethodus  Dixon, 1850  | 
| Species | |
  | |
Plethodus is an extinct genus of prehistoric ray-finned fish. [1] [2] It is the type genus of the family Plethodidae. [3]
Fossils are known from Cenomanian aged deposits in Europe, [4] , Egypt, [5] [6] and Texas. [3]