Caatinga vesper mouse

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Caatinga vesper mouse
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Rodentia
Family: Cricetidae
Genus: Calomys
Species: C. expulsus
(Lund, 1841)
Binomial name
Calomys expulsus

The caatinga vesper mouse, Calomys expulsus, is a rodent species in the family Cricetidae from South America.[2] It is endemic to eastern Brazil, where it is found in open savanna (cerrado) and thorny scrub (caatinga) habitats.[1] Its karyotype has 2n = 66 and FN = 68. It was formerly synonymized with C. callosus, but the latter has 2n = 50 and FN = 66.[2]


  1. ^ a b Bonvicino, C. & Geise, L. (2008). "Calomys expulsus". IUCN Red List of Threatened Species. Version 2009.1. International Union for Conservation of Nature. Retrieved 19 June 2009. 
  2. ^ a b Musser, G.G.; Carleton, M.D. (2005). "Superfamily Muroidea". In Wilson, D.E.; Reeder, D.M. Mammal Species of the World: A Taxonomic and Geographic Reference (3rd ed.). Johns Hopkins University Press. p. 1107. ISBN 978-0-8018-8221-0. OCLC 62265494.