Reithrodontomys
| Reithrodontomys Temporal range:  | |
|---|---|
| Salt marsh harvest mouse (Reithrodontomys raviventris) | |
| Scientific classification | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Chordata | 
| Class: | Mammalia | 
| Order: | Rodentia | 
| Family: | Cricetidae | 
| Subfamily: | Neotominae | 
| Tribe: | Reithrodontomyini | 
| Genus: | Reithrodontomys Giglioli, 1873 | 
| Type species | |
| Reithrodon megalotis | |
| Species | |
| See text | |
Reithrodontomys is the genus of groove-toothed New World harvest mice.