Microryzomys altissimus

Microryzomys altissimus
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Rodentia
Family: Cricetidae
Subfamily: Sigmodontinae
Genus: Microryzomys
Species:
M. altissimus
Binomial name
Microryzomys altissimus
(Osgood, 1933)

Microryzomys altissimus, also known as the Páramo colilargo or highland small rice rat, is a species of rodent in the genus Microryzomys of family Cricetidae. It is found in Colombia, Ecuador, and Peru, but the Colombian segment may be a separate species.