Roig's pericote or Roig's chaco mouse (''Andalgalomys roigi'') is a species of rodent in the family

Cricetidae The Cricetidae are a family of rodents in the large and complex superfamily Muroidea. It includes true hamsters, voles, lemmings, muskrats, and New World rats and mice. At over 870 species, it is either the largest or second-largest family ...

. Its

karyotype A karyotype is the general appearance of the complete set of chromosomes in the cells of a species or in an individual organism, mainly including their sizes, numbers, and shapes. Karyotyping is the process by which a karyotype is discerned by de ...

has 2n = 60 and FN = 120. It may be a subspecies of

Olrog's chaco mouse Olrog's chaco mouse (''Andalgalomys olrogi'') is a species of South American rodent in the family Cricetidae, endemic to Argentina. The natural habitat of the species is hot deserts. Its karyotype A karyotype is the general appearance of the ...

References

Andalgalomys Mammals of Argentina Mammals described in 1996 Taxobox binomials not recognized by IUCN {{Sigmodontinae-stub