Nyctomyini
Nyctomyini is a tribe of New [World rats and mice] in the subfamily Tylomyinae which includes two genera, Nyctomys and Otonyctomys, each with a single species. Both are medium-sized rats with tawny to brownish fur and a hairy tail.
Classification
Tribe Nyctomyini- Genus Otonyctomys
- *Hatt's [vesper rat], Otonyctomys hatti
- Genus Nyctomys
- *Sumichrast's vesper rat, ''Nyctomys sumichrasti''