Ashy-bellied Oldfield mouse

Ashy-bellied Oldfield mouse
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Rodentia
Family: Cricetidae
Subfamily: Sigmodontinae
Genus: Thomasomys
Species:
T. cinereiventer
Binomial name
Thomasomys cinereiventer

The ashy-bellied Oldfield mouse (Thomasomys cinereiventer) is a species of rodent in the family Cricetidae. It is found in Colombia and Ecuador.