| Peritresius Temporal range:
| |
|---|---|
| |
| P. martini holotype carapace | |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Order: | Testudines |
| Suborder: | Cryptodira |
| Clade: | Pancheloniidae |
| Genus: | †Peritresius Leidy, 1856 |
Peritresius is an extinct genus of sea turtle from the Late Cretaceous deposits in the US Eastern Seaboard.