''Oligoryzomys fulvescens'', also known as the fulvous colilargo,
[Musser and Carleton, 2005] fulvous pygmy rice rat,
[ or northern pygmy rice rat,][Duff and Lawson, 2004] is a species of rodent 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 found from southern Mexico through Central America into South America, where it occurs south into Peru and Brazil, and includes numerous synonyms
A synonym is a word, morpheme, or phrase that means exactly or nearly the same as another word, morpheme, or phrase in a given language. For example, in the English language, the words ''begin'', ''start'', ''commence'', and ''initiate'' are all ...
, including the type species of the genus, ''Oryzomys navus'' Bangs, 1899.[ The taxonomy of this species is unresolved, and it may be found to contain more than one species.][ 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 = 54-60 and FNa = 68–74.
References
Literature cited
*Duff, A. and Lawson, A. 2004. Mammals of the World: A checklist. New Haven: A & C Black. .
*
*Weksler, M., Aguilera, M. and Reid, F. 2008. . In IUCN. IUCN Red List of Threatened Species. Version 2009.2.
www.iucnredlist.org
. Downloaded on November 27, 2009.
Rodents of Central America
Mammals of Brazil
Mammals of Colombia
Mammals of Ecuador
Mammals of Guyana
Mammals of Mexico
Mammals of Peru
Mammals of Suriname
Mammals of Venezuela
Mammals described in 1860
Taxa named by Henri Louis Frédéric de Saussure
Oligoryzomys
{{Oligoryzomys-stub