Tocantins vesper mouse

The Tocantins vesper mouse (Calomys tocantinsi) is a South American rodent species of the family Cricetidae.^[2][3] It is found in Brazil. Its karyotype has 2n = 46 and FNa = 66.^[2]

Tocantins vesper mouse
Conservation status
Least Concern  (IUCN 3.1)[1]
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Mammalia
Order:	Rodentia
Family:	Cricetidae
Subfamily:	Sigmodontinae
Genus:	Calomys
Species:	C. tocantinsi
Binomial name
Calomys tocantinsi Bonvicino, Lima and Almeida, 2003