''Juliomys'' is a

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

South America South America is a continent entirely in the Western Hemisphere and mostly in the Southern Hemisphere, with a considerably smaller portion in the Northern Hemisphere. It can also be described as the southern Subregion#Americas, subregion o ...

rodent Rodents (from Latin , 'to gnaw') are mammals of the Order (biology), order Rodentia ( ), which are characterized by a single pair of continuously growing incisors in each of the upper and Mandible, lower jaws. About 40% of all mammal specie ...

s of the 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 over 870 species, it is either the largest or second-largest family ...

. Five species are known, all found in

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 ...

and

Brazil Brazil, officially the Federative Republic of Brazil, is the largest country in South America. It is the world's List of countries and dependencies by area, fifth-largest country by area and the List of countries and dependencies by population ...

. They are as follows: *''

Juliomys anoblepas ''Juliomys anoblepas'' is a rodent in the genus ''Juliomys'' of the subfamily Sigmodontinae known from a single broken skull. The specimen was collected by Peter Wilhelm Lund in the caves of Lagoa Santa, Minas Gerais, Brazil, in the first half of ...

'' (extinct) *''

Juliomys ossitenuis ''Juliomys ossitenuis'' is a species of rodent in the family Cricetidae native to South America. Taxonomy This rodent is in the Kingdom Animalia. They are found in the Phylum Chordate, Chordata, Class Mammalia, and Order Rodentia. Its specific ...

'' *''

Juliomys pictipes The lesser Wilfred's mouse (''Juliomys pictipes'') is a species of South American rodents of the family Cricetidae. It was first described by Wilfred H. Osgood under the name ''Thomasomys pictipes'', then into the genus ''Wilfredomys'', and now ...

'' (Lesser Wilfred's mouse) *''

Juliomys rimofrons ''Juliomys rimofrons'', also known as the cleft-headed juliomys, is a South American rodent species in the family Cricetidae. It is found in southern Brazil. The species is arboreal and lives in montane forests. It is threatened because of the sm ...

'' (Cleft-headed juliomys) *''

Juliomys ximenezi ''Juliomys'' is a genus of South American rodents of the family Cricetidae. Five species are known, all found in Argentina and Brazil. They are as follows: *''Juliomys anoblepas'' (extinct) *''Juliomys ossitenuis'' *''Juliomys pictipes The les ...

'' (Aracuaria Forest tree mouse)

References

Rodent genera {{Sigmodontinae-stub