''Oligoryzomys moojeni'' is a species of
rodent
Rodents (from Latin , 'to gnaw') are mammals of the order Rodentia (), which are characterized by a single pair of continuously growing incisors in each of the upper and lower jaws. About 40% of all mammal species are rodents. They are na ...
from
South America
South America is a continent entirely in the Western Hemisphere and mostly in the Southern Hemisphere, with a relatively small portion in the Northern Hemisphere at the northern tip of the continent. It can also be described as the southe ...
in the genus ''
Oligoryzomys
''Oligoryzomys'' is a genus of rodents in the tribe Oryzomyini of family Cricetidae. Many species are known as pygmy rice rats or colilargos.Musser and Carleton, 2005 The genus is found from Mexico to Tierra del Fuego and includes approximately 1 ...
'' of family
Cricetidae. It is known only from central
Brazil
Brazil ( pt, Brasil; ), officially the Federative Republic of Brazil (Portuguese: ), is the largest country in both South America and Latin America. At and with over 217 million people, Brazil is the world's fifth-largest country by area ...
, where it is found in the
cerrado and
gallery forests.
It is named after twentieth-century Brazilian zoologist
João Moojen
João Moojen de Oliveira (December 1, 1904 in Leopoldina, MG, Brazil – March 31, 1985 in Rio de Janeiro, RJ, Brazil) was a zoologist dedicated to the systematics of Brazilian mammals, particularly rodents and primates. He was also interested in ...
. 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 ...
has
2n = 70 and
FNa = 84.
References
Literature cited
*
Mammals of Brazil
Oligoryzomys
Mammals described in 2005
Taxa named by Marcelo Weksler
{{Oligoryzomys-stub