| Proteinus | |
|---|---|
 | |
| Proteinus brachypterus | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Clade: | Pancrustacea |
| Class: | Insecta |
| Order: | Coleoptera |
| Suborder: | Polyphaga |
| Infraorder: | Staphyliniformia |
| Family: | Staphylinidae |
| Genus: | Proteinus Latreille, 1796 |
Proteinus is a genus of beetles belonging to the family Staphylinidae.
The species of this genus are found in Europe, Japan and America.
Species:
- Proteinus abditus Assing, 2007
- Proteinus acadiensis Klimaszewski, 2005