The
genus
Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...
''Neacomys'', also known as bristly mice because of their spiny fur, includes several
species
In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate s ...
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 ...
s in the tribe
Oryzomyini
Oryzomyini is a tribe of rodents in the subfamily Sigmodontinae of the family Cricetidae. It includes about 120 species in about thirty genera,Weksler et al., 2006, table 1 distributed from the eastern United States to the southernmost parts of S ...
of 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 almost 608 species, it is the second-largest family of mammals, and has m ...
. It is most closely related to ''
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 ...
'', ''
Oreoryzomys
''Oreoryzomys balneator'', also known as the Peruvian rice rat or Ecuadoran oryzomys, is a species of rodent in the tribe Oryzomyini of family Cricetidae. It is found in Ecuador and northern Peru in cloud forest at elevations from 1500 to 1800 m ...
'', and ''
Microryzomys
''Microryzomys'' is a genus of rodent in the tribe Oryzomyini of family Cricetidae. It is closely related to '' Oreoryzomys'', '' Oligoryzomys'', and ''Neacomys''.Weksler, 2006 It contains two species, both restricted to the Andes: '' M. altissim ...
''. ''Neacomys'' species are mainly found in the
Amazon basin
The Amazon basin is the part of South America drained by the Amazon River and its tributaries. The Amazon drainage basin covers an area of about , or about 35.5 percent of the South American continent. It is located in the countries of Bolivi ...
, but ''
N. pictus'' occurs in
Panama
Panama ( , ; es, link=no, Panamá ), officially the Republic of Panama ( es, República de Panamá), is a transcontinental country spanning the southern part of North America and the northern part of South America. It is bordered by Cos ...
and ''
N. tenuipes'' in montane
Colombia
Colombia (, ; ), officially the Republic of Colombia, is a country in South America with insular regions in North America—near Nicaragua's Caribbean coast—as well as in the Pacific Ocean. The Colombian mainland is bordered by the Car ...
.
[Musser and Carleton, 2005]
Species
There are currently about 19 described species in the genus.
*''
Neacomys aletheia
The genus ''Neacomys'', also known as bristly mice because of their spiny fur, includes several species of rodents in the tribe Oryzomyini of family Cricetidae. It is most closely related to ''Oligoryzomys'', ''Oreoryzomys'', and ''Microryzomys'' ...
'' — upper Juruá bristly mouse
*''
Neacomys amoenus'' — pleasant bristly mouse
*''
Neacomys dubosti
''Neacomys dubosti'', also known as Dubost's neacomysMusser and Carleton, 2005 or Dubost's bristly mouse, is a species of South American rodent in the genus ''Neacomys'' of family Cricetidae. It is found in French Guiana, southeastern Suriname and ...
'' — Dubost's bristly mouse
*''
Neacomys guianae'' — Guiana bristly mouse
*''
Neacomys elieceri'' — Eliecer's bristly mouse
*''
Neacomys jau'' — Jaú bristly mouse
*''
Neacomys macedoruizi'' — Macedo Ruiz's bristly mouse
*''
Neacomys marajoara'' — Marajó bristly mouse
*''
Neacomys minutus
''Neacomys minutus'', also known as the minute neacomys, the small bristly mouse,Duff, A.; Lawson, A. 2004. Mammals of the World: A checklist. New Haven: A & C Black. . or the minute spiny mouse, is a rodent species from South America in the genu ...
'' — small bristly mouse
*''
Neacomys musseri
''Neacomys musseri'', also known as Musser's neacomys or Musser's bristly mouse,Duff and Lawson, 2004 is a rodent species from South America. It is found in far western Brazil and southeastern Peru
, image_flag = Flag of Peru.sv ...
'' — Musser's bristly mouse
*''
Neacomys paracou
''Neacomys paracou'', also known as the Paracou neacomys or Paracou bristly mouse,Duff and Lawson, 2004 is a rodent species from South America in the genus ''Neacomys''. It is found in northern Brazil, French Guiana, Guyana, Suriname and southeast ...
'' — Paracou bristly mouse
*''
Neacomys pictus
''Neacomys pictus'', also known as the painted neacomysMusser and Carleton, 2005 or painted bristly mouse, is a species of rodent in the genus ''Neacomys'' of family Cricetidae. It is found only in Panama
Panama ( , ; es, link=no, Pana ...
'' — painted bristly mouse
*''
Neacomys rosalindae'' — Rosalind's bristly mouse
*''
Neacomys serranensis''
*''
Neacomys spinosus'' — large bristly mouse
*''
Neacomys tenuipes'' — narrow-footed bristly mouse
*''
Neacomys vargasllosai'' — Vargas Llosa's bristly mouse
*''
Neacomys vossi
The genus ''Neacomys'', also known as bristly mice because of their spiny fur, includes several species of rodents in the tribe Oryzomyini of family Cricetidae. It is most closely related to ''Oligoryzomys'', ''Oreoryzomys'', and ''Microryzomys'' ...
'' — Voss's bristly mouse
*''
Neacomys xingu
The genus ''Neacomys'', also known as bristly mice because of their spiny fur, includes several species of rodents in the tribe Oryzomyini of family Cricetidae. It is most closely related to ''Oligoryzomys'', ''Oreoryzomys'', and ''Microryzomys'' ...
'' — Xingu bristly mouse
References
Literature cited
*Musser, G.G. and Carleton, M.D. 2005
Superfamily Muroidea Pp. 894–1531 in Wilson, D.E. and Reeder, D.M. (eds.)
Mammal Species of the World: a taxonomic and geographic reference. 3rd ed Baltimore: The Johns Hopkins University Press, 2 vols., 2142 pp.
*Weksler, M. 2006
Phylogenetic relationships of oryzomyine rodents (Muroidea: Sigmodontinae): separate and combined analyses of morphological and molecular data Bulletin of the American Museum of Natural History 296:1–149.
Rodent genera
Taxa named by Oldfield Thomas
{{Sigmodontinae-stub