Akodon

	Akodon ''Akodon'' is a genus consisting of South American grass mice. They mostly occur south of the Amazon Basin and along the Andes north to Venezuela, but are absent from much of the basin itself, the far south of the continent, and the lowlands west of the Andes. ''Akodon'' is one of the most species-rich genera of Neotropical rodents. Species of ''Akodon'' are known to inhabit a variety of habitats from tropical and tropical moist forests to altiplano and desert. Fossils are known from the late Pliocene onwards. Taxonomy ''Akodon'' is the largest genus in the tribe Akodontini. Three of its synonyms—''Chalcomys'', ''Hypsimys'', and particularly ''Microxus''—have sometimes been regarded as distinct genera. '' Neomicroxus'' was separated in 2013. Previously associated with ''Akodon'', the genera '' Abrothrix'', '' Deltamys'', '' Necromys'', ''Thalpomys ''Thalpomys'' is a genus of South American rodents in the tribe Akodontini of family Cricetidae. Two species are known, both ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
	Akodon Caenosus ''Akodon caenosus'' is a rodent in the genus ''Akodon'' found in northwestern Argentina and south-central Bolivia. Since its description in 1918, it has been alternatively classified as a separate species or a subspecies of '' Akodon lutescens'' (formerly ''Akodon puer''). The species ''Akodon aliquantulus'', described from some very small Argentine specimens in 1999, is now recognized as a synonym of ''A. caenosus''. ''Akodon caenosus'' is very small, averaging in weight, and variable in coloration, but generally brown. The underparts are sharply different in color from the upperparts. The skull has a short rostrum (front part), broad interorbital region (between the eyes), and narrow braincase. The karyotype includes 34 chromosomes. ''A. caenosus'' mostly occurs in Yungas vegetation and breeds mainly during the winter. It shares its range with many other sigmodontine rodents, including three other species of ''Akodon''. Taxonomy E. Budin collected the first specime ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
	Akodon Cursor The cursor grass mouse, or cursorial akodont (''Akodon cursor''), is a sigmodontine rodent from South America. Description The cursor grass mouse is a moderately sized rodent, with a head-body length of , and a tail long. Males are larger than females, weighing an average of , compared with for females. They have a typical mouse-like appearance, with short whiskers and stubby claws on the feet. They have dark to golden brown fur over most of their body, with paler greyish or yellowish underparts. Some have a whitish spot between the ears, but this is not present on all individuals. Cursor grass mice are members of the ''A. cursor'' species group, and very similar in appearance to other members of the group. In particular, they cannot easily be distinguished from the closely related montane grass mouse, which inhabits neighbouring regions to the immediate south. Although the cursor grass mouse is, on average, slightly larger than the montane species, there is too much overlap ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
	Akodon Azarae ''Akodon azarae'', also known as Azara's akodontMusser and Carleton, 2005, p. 1093 or Azara's grass mouse, is a rodent species from South America. It is found from southernmost Brazil through Paraguay and Uruguay into eastern Argentina. It is named after Spanish naturalist Félix de Azara Félix de Azara y Perera (18 May 1742 – 20 October 1821) was a Spanish military officer, naturalist, and engineer. Life Félix de Azara y Perera was born on 18 May 1746 in Barbuñales, Aragon. He joined the army and attended a Spanish milita .... References Literature cited D'Elia, G. and Pardinas, U. 2008. . In IUCN. IUCN Red List of Threatened Species. Version 2009.2.www.iucnredlist.org. Downloaded on April 2, 2010. Musser, G.G. and Carleton, M.D. 2005Superfamily 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. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
	Akodon Affinis ''Akodon affinis'', also known as the Colombian grass mouse or Cordillera Occidental akodont,Musser and Carleton, 2005, p. 1092 is a species of rodent in the family Cricetidae. It is found only in the Cordillera Occidental of Colombia Colombia, officially the Republic of Colombia, is a country primarily located in South America with Insular region of Colombia, insular regions in North America. The Colombian mainland is bordered by the Caribbean Sea to the north, Venezuel .... References Literature cited Anderson, R.P. and Gómez-Laverde, M. 2008. . In IUCN. IUCN Red List of Threatened Species. Version 2009.2.www.iucnredlist.org. Downloaded on April 2, 2010. Musser, G.G. and Carleton, M.D. 2005Superfamily 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. Akodon Endemic fauna of Colombia ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
	Akodon Boliviensis ''Akodon boliviensis'', also known as the Bolivian grass mouse or Bolivian akodont,Musser and Carleton, 2005, p. 1093 is a species of rodent in the family Cricetidae. It is found in the Andes from southeastern Peru through Bolivia into northwestern Argentina Argentina, officially the Argentine Republic, is a country in the southern half of South America. It covers an area of , making it the List of South American countries by area, second-largest country in South America after Brazil, the fourt ....Musser and Carleton, 2005, p. 1093; Jayat et al., 2010, p. 21 References Literature cited Dunnum, J., Vargas, J., Bernal, N., Zeballos, H., Vivar, E., Patterson, B., Pardinas, U. and Jayat, J.P. 2008. . In IUCN. IUCN Red List of Threatened Species. Version 2009.2.www.iucnredlist.org. Downloaded on April 2, 2010. Jayat, J.P., Ortiz, P.E., Salazar-Bravo, J., Pardiñas, U.F.J. and D'Elía, G. 2010( ttp://www.mapress.com/zootaxa/2010/f/z02409p061f.pdf abstract. Z ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
	Akodon Budini ''Akodon budini'', also known as Budin's akodont or Budin's grass mouse, is a species of rodent in the family Cricetidae. It is found in the Andes of northwestern Argentina and adjacent Bolivia.Musser and Carleton, 2005, p. 1094 The species is named after Emilio Budin, an Argentine specimen collector who worked with Oldfield Thomas Michael Rogers Oldfield Thomas (21 February 1858 – 16 June 1929) was a British zoologist. Career Thomas worked at the Natural History Museum, London, Natural History Museum on mammals, describing about 2,000 new species and subspecies for ....Beolens, Watkins and Grayson, 2009, p. 62 References Literature cited Jayat, J. and Pardinas, U. 2008. . In IUCN. IUCN Red List of Threatened Species. Version 2009.2.www.iucnredlist.org. Downloaded on April 2, 2010. Musser, G.G. and Carleton, M.D. 2005Superfamily Muroidea Pp. 894–1531 in Wilson, D.E. and Reeder, D.M. (eds.)Mammal Species of the World: a taxonomic and geographic refer ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
	Abrotrichini Abrotrichini, also known as the Andean clade or southern Andean clade,Musser and Carleton, 2005, p. 1087 is a tribe of rodents in the subfamily Sigmodontinae.D'Elía et al., 2007, p. 188 It includes about fifteen species in four genera,Musser and Carleton, 2005 distributed in South America from southern Peru to southernmost South America, including the Patagonian steppes. The earliest known fossils are from the Pliocene of Argentina. Taxonomy Abrotrichines were universally placed in the tribe Akodontini until the 1990s, and some were even classified within the genus ''Akodon''. Allozyme studies in the early 1990s first provided evidence for their distinction from Akodontini, and in 1999 a study analyzing sequences of the mitochondrial cytochrome ''b'' gene found further evidence for the distinction between Akodontini and this group and proposed the name Abrotrichini for the latter.Smith and Patton, 1999, p. 106 The name Abrotrichini remained formally unavailable u ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
	Akodontini Akodontini is the second most speciose rodent tribe of the subfamily Sigmodontinae. It includes at least 106 living species in 19 genera and is distributed mainly in the southern half of South America, with only two genera extending into Guyana ('' Podoxymys'') and Venezuela ('' Necromys''). It also includes genera previously placed in tribe Scapteromyini. The following genera are now generally recognized: ''Akodon'' ''Bibimys'' '' Blarinomys'' '' Brucepattersonius'' '' Deltamys'' '' Juscelinomys'' '' Kunsia'' '' Lenoxus'' '' Necromys'' (previously ''Bolomys'' or ''Cabreramys'') '' Neomicroxus'' '' Oxymycterus'' '' Podoxymys'' '' Scapteromys'' ''Thalpomys'' '' Thaptomys'' ''Chalcomys'', ''Hypsimys'', and ''Microxus'' have been synonymized under the genus ''Akodon''. Several other genera were previously placed in Akodontini, but are now placed in a separate tribe Abrotrichini Abrotrichini, also known as the Andean clade or southern Andean clade,Musser and Carleto ... [...More Info...] [...Related Items...] OR:* [Wikipedia] [Google] [Baidu]
	Akodon Albiventer ''Akodon albiventer'', also known as the white-bellied grass mouse or white-bellied akodont,Musser and Carleton, 2005, p. 1092 is a species of rodent in the family Cricetidae. It is found in the Andean highlands from southeastern Peru to southwestern Bolivia, northwestern Argentina, and far northeastern Chile Chile, officially the Republic of Chile, is a country in western South America. It is the southernmost country in the world and the closest to Antarctica, stretching along a narrow strip of land between the Andes, Andes Mountains and the Paci ... at elevations from 2400 m to over 5000 m. References Literature cited Dunnum, J., Vargas, J., Bernal, N., Zeballos, H., Vivar, E. & Patterson, B., Pardinas, U. and Jayat, J.P. 2008. . In IUCN. IUCN Red List of Threatened Species. Version 2009.2.www.iucnredlist.org. Downloaded on April 2, 2010. Musser, G.G. and Carleton, M.D. 2005Superfamily Muroidea Pp. 894–1531 in Wilson, D.E. and Reeder, D.M. (eds.)Mammal Spe ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
	Akodon Aerosus ''Akodon aerosus'', also known as the highland grass mouse or Yungas akodont,Musser and Carleton, 2005, p. 1092 is a species of rodent in the family Cricetidae. It is found in the eastern Andes from eastern Ecuador through Peru into central Bolivia Bolivia, officially the Plurinational State of Bolivia, is a landlocked country located in central South America. The country features diverse geography, including vast Amazonian plains, tropical lowlands, mountains, the Gran Chaco Province, w .... References Literature cited Dunnum, J., Vargas, J., Bernal, N., Zeballos, H., Vivar, E. and Patterson, B. 2008. . In IUCN. IUCN Red List of Threatened Species. Version 2009.2.www.iucnredlist.org. Downloaded on April 2, 2010. Musser, G.G. and Carleton, M.D. 2005Superfamily 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&n ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
	Necromys ''Necromys'' is a genus of South American sigmodontine rodents allied to ''Akodon''. This genus has also been known as ''Cabreramys'' or more recently ''Bolomys'', and the northern grass mouse (''N. urichi'') has recently been transferred from ''Akodon''. History Most of the Brazilian members of the genus ''Necromys'' were first described in the second half of the nineteenth century, and the species from the Andes followed in the first decades of the twentieth century. Small rodents in South America were studied by the British zoologist Oldfield Thomas, curator at the Natural History Museum, London who erected the genus ''Bolomys'' in 1916. Characteristics Members of the genus ''Necromys'' are spread out over a wide area of Central and South America. Morphologically, members of the genus are difficult to distinguish from two other genera found in the same region, the grass mice ''Akodon'' and the cane mice ''Zygodontomys''. In 1987, the Argentine zoologist Osvaldo Reig lis ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]

	Akodon ''Akodon'' is a genus consisting of South American grass mice. They mostly occur south of the Amazon Basin and along the Andes north to Venezuela, but are absent from much of the basin itself, the far south of the continent, and the lowlands west of the Andes. ''Akodon'' is one of the most species-rich genera of Neotropical rodents. Species of ''Akodon'' are known to inhabit a variety of habitats from tropical and tropical moist forests to altiplano and desert. Fossils are known from the late Pliocene onwards. Taxonomy ''Akodon'' is the largest genus in the tribe Akodontini. Three of its synonyms—''Chalcomys'', ''Hypsimys'', and particularly ''Microxus''—have sometimes been regarded as distinct genera. '' Neomicroxus'' was separated in 2013. Previously associated with ''Akodon'', the genera '' Abrothrix'', '' Deltamys'', '' Necromys'', ''Thalpomys ''Thalpomys'' is a genus of South American rodents in the tribe Akodontini of family Cricetidae. Two species are known, both ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
	Akodon Caenosus ''Akodon caenosus'' is a rodent in the genus ''Akodon'' found in northwestern Argentina and south-central Bolivia. Since its description in 1918, it has been alternatively classified as a separate species or a subspecies of '' Akodon lutescens'' (formerly ''Akodon puer''). The species ''Akodon aliquantulus'', described from some very small Argentine specimens in 1999, is now recognized as a synonym of ''A. caenosus''. ''Akodon caenosus'' is very small, averaging in weight, and variable in coloration, but generally brown. The underparts are sharply different in color from the upperparts. The skull has a short rostrum (front part), broad interorbital region (between the eyes), and narrow braincase. The karyotype includes 34 chromosomes. ''A. caenosus'' mostly occurs in Yungas vegetation and breeds mainly during the winter. It shares its range with many other sigmodontine rodents, including three other species of ''Akodon''. Taxonomy E. Budin collected the first specime ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
	Akodon Cursor The cursor grass mouse, or cursorial akodont (''Akodon cursor''), is a sigmodontine rodent from South America. Description The cursor grass mouse is a moderately sized rodent, with a head-body length of , and a tail long. Males are larger than females, weighing an average of , compared with for females. They have a typical mouse-like appearance, with short whiskers and stubby claws on the feet. They have dark to golden brown fur over most of their body, with paler greyish or yellowish underparts. Some have a whitish spot between the ears, but this is not present on all individuals. Cursor grass mice are members of the ''A. cursor'' species group, and very similar in appearance to other members of the group. In particular, they cannot easily be distinguished from the closely related montane grass mouse, which inhabits neighbouring regions to the immediate south. Although the cursor grass mouse is, on average, slightly larger than the montane species, there is too much overlap ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
	Akodon Azarae ''Akodon azarae'', also known as Azara's akodontMusser and Carleton, 2005, p. 1093 or Azara's grass mouse, is a rodent species from South America. It is found from southernmost Brazil through Paraguay and Uruguay into eastern Argentina. It is named after Spanish naturalist Félix de Azara Félix de Azara y Perera (18 May 1742 – 20 October 1821) was a Spanish military officer, naturalist, and engineer. Life Félix de Azara y Perera was born on 18 May 1746 in Barbuñales, Aragon. He joined the army and attended a Spanish milita .... References Literature cited D'Elia, G. and Pardinas, U. 2008. . In IUCN. IUCN Red List of Threatened Species. Version 2009.2.www.iucnredlist.org. Downloaded on April 2, 2010. Musser, G.G. and Carleton, M.D. 2005Superfamily 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. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
	Akodon Affinis ''Akodon affinis'', also known as the Colombian grass mouse or Cordillera Occidental akodont,Musser and Carleton, 2005, p. 1092 is a species of rodent in the family Cricetidae. It is found only in the Cordillera Occidental of Colombia Colombia, officially the Republic of Colombia, is a country primarily located in South America with Insular region of Colombia, insular regions in North America. The Colombian mainland is bordered by the Caribbean Sea to the north, Venezuel .... References Literature cited Anderson, R.P. and Gómez-Laverde, M. 2008. . In IUCN. IUCN Red List of Threatened Species. Version 2009.2.www.iucnredlist.org. Downloaded on April 2, 2010. Musser, G.G. and Carleton, M.D. 2005Superfamily 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. Akodon Endemic fauna of Colombia ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
	Akodon Boliviensis ''Akodon boliviensis'', also known as the Bolivian grass mouse or Bolivian akodont,Musser and Carleton, 2005, p. 1093 is a species of rodent in the family Cricetidae. It is found in the Andes from southeastern Peru through Bolivia into northwestern Argentina Argentina, officially the Argentine Republic, is a country in the southern half of South America. It covers an area of , making it the List of South American countries by area, second-largest country in South America after Brazil, the fourt ....Musser and Carleton, 2005, p. 1093; Jayat et al., 2010, p. 21 References Literature cited Dunnum, J., Vargas, J., Bernal, N., Zeballos, H., Vivar, E., Patterson, B., Pardinas, U. and Jayat, J.P. 2008. . In IUCN. IUCN Red List of Threatened Species. Version 2009.2.www.iucnredlist.org. Downloaded on April 2, 2010. Jayat, J.P., Ortiz, P.E., Salazar-Bravo, J., Pardiñas, U.F.J. and D'Elía, G. 2010( ttp://www.mapress.com/zootaxa/2010/f/z02409p061f.pdf abstract. Z ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
	Akodon Budini ''Akodon budini'', also known as Budin's akodont or Budin's grass mouse, is a species of rodent in the family Cricetidae. It is found in the Andes of northwestern Argentina and adjacent Bolivia.Musser and Carleton, 2005, p. 1094 The species is named after Emilio Budin, an Argentine specimen collector who worked with Oldfield Thomas Michael Rogers Oldfield Thomas (21 February 1858 – 16 June 1929) was a British zoologist. Career Thomas worked at the Natural History Museum, London, Natural History Museum on mammals, describing about 2,000 new species and subspecies for ....Beolens, Watkins and Grayson, 2009, p. 62 References Literature cited Jayat, J. and Pardinas, U. 2008. . In IUCN. IUCN Red List of Threatened Species. Version 2009.2.www.iucnredlist.org. Downloaded on April 2, 2010. Musser, G.G. and Carleton, M.D. 2005Superfamily Muroidea Pp. 894–1531 in Wilson, D.E. and Reeder, D.M. (eds.)Mammal Species of the World: a taxonomic and geographic refer ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
	Abrotrichini Abrotrichini, also known as the Andean clade or southern Andean clade,Musser and Carleton, 2005, p. 1087 is a tribe of rodents in the subfamily Sigmodontinae.D'Elía et al., 2007, p. 188 It includes about fifteen species in four genera,Musser and Carleton, 2005 distributed in South America from southern Peru to southernmost South America, including the Patagonian steppes. The earliest known fossils are from the Pliocene of Argentina. Taxonomy Abrotrichines were universally placed in the tribe Akodontini until the 1990s, and some were even classified within the genus ''Akodon''. Allozyme studies in the early 1990s first provided evidence for their distinction from Akodontini, and in 1999 a study analyzing sequences of the mitochondrial cytochrome ''b'' gene found further evidence for the distinction between Akodontini and this group and proposed the name Abrotrichini for the latter.Smith and Patton, 1999, p. 106 The name Abrotrichini remained formally unavailable u ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
	Akodontini Akodontini is the second most speciose rodent tribe of the subfamily Sigmodontinae. It includes at least 106 living species in 19 genera and is distributed mainly in the southern half of South America, with only two genera extending into Guyana ('' Podoxymys'') and Venezuela ('' Necromys''). It also includes genera previously placed in tribe Scapteromyini. The following genera are now generally recognized: ''Akodon'' ''Bibimys'' '' Blarinomys'' '' Brucepattersonius'' '' Deltamys'' '' Juscelinomys'' '' Kunsia'' '' Lenoxus'' '' Necromys'' (previously ''Bolomys'' or ''Cabreramys'') '' Neomicroxus'' '' Oxymycterus'' '' Podoxymys'' '' Scapteromys'' ''Thalpomys'' '' Thaptomys'' ''Chalcomys'', ''Hypsimys'', and ''Microxus'' have been synonymized under the genus ''Akodon''. Several other genera were previously placed in Akodontini, but are now placed in a separate tribe Abrotrichini Abrotrichini, also known as the Andean clade or southern Andean clade,Musser and Carleto ... [...More Info...] [...Related Items...] OR:* [Wikipedia] [Google] [Baidu]
	Akodon Albiventer ''Akodon albiventer'', also known as the white-bellied grass mouse or white-bellied akodont,Musser and Carleton, 2005, p. 1092 is a species of rodent in the family Cricetidae. It is found in the Andean highlands from southeastern Peru to southwestern Bolivia, northwestern Argentina, and far northeastern Chile Chile, officially the Republic of Chile, is a country in western South America. It is the southernmost country in the world and the closest to Antarctica, stretching along a narrow strip of land between the Andes, Andes Mountains and the Paci ... at elevations from 2400 m to over 5000 m. References Literature cited Dunnum, J., Vargas, J., Bernal, N., Zeballos, H., Vivar, E. & Patterson, B., Pardinas, U. and Jayat, J.P. 2008. . In IUCN. IUCN Red List of Threatened Species. Version 2009.2.www.iucnredlist.org. Downloaded on April 2, 2010. Musser, G.G. and Carleton, M.D. 2005Superfamily Muroidea Pp. 894–1531 in Wilson, D.E. and Reeder, D.M. (eds.)Mammal Spe ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
	Akodon Aerosus ''Akodon aerosus'', also known as the highland grass mouse or Yungas akodont,Musser and Carleton, 2005, p. 1092 is a species of rodent in the family Cricetidae. It is found in the eastern Andes from eastern Ecuador through Peru into central Bolivia Bolivia, officially the Plurinational State of Bolivia, is a landlocked country located in central South America. The country features diverse geography, including vast Amazonian plains, tropical lowlands, mountains, the Gran Chaco Province, w .... References Literature cited Dunnum, J., Vargas, J., Bernal, N., Zeballos, H., Vivar, E. and Patterson, B. 2008. . In IUCN. IUCN Red List of Threatened Species. Version 2009.2.www.iucnredlist.org. Downloaded on April 2, 2010. Musser, G.G. and Carleton, M.D. 2005Superfamily 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&n ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
	Necromys ''Necromys'' is a genus of South American sigmodontine rodents allied to ''Akodon''. This genus has also been known as ''Cabreramys'' or more recently ''Bolomys'', and the northern grass mouse (''N. urichi'') has recently been transferred from ''Akodon''. History Most of the Brazilian members of the genus ''Necromys'' were first described in the second half of the nineteenth century, and the species from the Andes followed in the first decades of the twentieth century. Small rodents in South America were studied by the British zoologist Oldfield Thomas, curator at the Natural History Museum, London who erected the genus ''Bolomys'' in 1916. Characteristics Members of the genus ''Necromys'' are spread out over a wide area of Central and South America. Morphologically, members of the genus are difficult to distinguish from two other genera found in the same region, the grass mice ''Akodon'' and the cane mice ''Zygodontomys''. In 1987, the Argentine zoologist Osvaldo Reig lis ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]