The Atlantic Forest climbing mouse (''Rhipidomys mastacalis'') is an arboreal rodent species in the family Cricetidae from South America. It is found in the

Atlantic Forest The Atlantic Forest ( pt, Mata Atlântica) is a South American forest that extends along the Atlantic coast of Brazil from Rio Grande do Norte state in the northeast to Rio Grande do Sul state in the south and inland as far as Paraguay and th ...

of southeastern Brazil at elevations from sea level to 1500 m. Its

karyotype A karyotype is the general appearance of the complete set of metaphase 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 disce ...

is 2n = 44, FN = 74–80. It is sometimes also referred to as the long-tailed climbing mouse. ''

Rhipidomys macrurus The cerrado climbing mouse or long-tailed rhipidomys (''Rhipidomys macrurus'') is an arboreal rodent species in the family Cricetidae from South America. It is found in primary or secondary forests of the cerrado and caatinga in central and easte ...

'' is similarly sometimes commonly known as the "long-tailed rhipidomys", while rodents of genus '' Vandeleuria'' are also commonly known as long-tailed climbing mice.

References

Rhipidomys Endemic fauna of Brazil Mammals of Brazil Fauna of the Atlantic Forest Rodents of South America Mammals described in 1841 {{Rhipidomys-stub