{{Short description|Species of rodent}} {{Speciesbox| name = Tocantins vesper mouse | status = LC | status_system = IUCN3.1 | status_ref = <ref name="iucn status 12 November 2021">{{cite iucn |author=Bonvicino, C.R. |author2=Marinho-Filho, J. |date=2017 |title=''Calomys tocantinsi'' |volume=2017 |article-number=e.T136679A22334992 |doi=10.2305/IUCN.UK.2017-2.RLTS.T136679A22334992.en |access-date=12 November 2021}}</ref> | genus = Calomys | species = tocantinsi | authority = Bonvicino, Lima and Almeida, 2003 }}
The '''Tocantins vesper mouse''' ('''''Calomys tocantinsi''''') is a South American rodent species of the family Cricetidae.<ref name = MSW3>{{MSW3 Muroidea | id = 13000624 | page = 1109}}</ref><ref name = "Bonvicino">{{cite journal | last = Bonvicino | first = C. R. |author2=Lima, J. F. S. |author3=Almeida, F. C. | title = A new species of ''Calomys'' Waterhouse (Rodentia, Sigmodontinae) from the Cerrado of Central Brazil | journal = Revista Brasileira de Zoologia | volume = 20 | issue = 2 | pages = 301–307 | date = June 2003 | issn = 0101-8175 | doi = 10.1590/S0101-81752003000200021 | doi-access = free }}</ref> It is found in Brazil. Its karyotype has 2n = 46 and FNa = 66.<ref name = MSW3/>
==References== {{Reflist}}
{{Taxonbar|from=Q1768431}}
Category:Calomys Category:Mammals described in 2003
{{Calomys-stub}}