''Thomasomys'' is a genus of rodent in the family Cricetidae, named after British zoologist

Oldfield Thomas Michael Rogers Oldfield Thomas (21 February 1858 – 16 June 1929) was a British zoologist. Career Thomas worked at the Natural History Museum on mammals, describing about 2,000 new species and subspecies for the first time. He was appoin ...

. Nuclear DNA sequence analysis has indicated that it is a sister taxon to ''

Rhagomys ''Rhagomys'' is a genus of South American rodents in the tribe Thomasomyini of the family Cricetidae. Two species separated by about 3100 km are known, from southeast Peru and Bolivia east of the Andes, and in the Atlantic Forest of southea ...

''. It contains the following species: *

Anderson's Oldfield mouse Anderson's Oldfield mouse (''Thomasomys andersoni'') is a species of rodent in 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 ...

(''Thomasomys andersoni'') *

Antonio Brack's Oldfield mouse Antonio Brack's Oldfield mouse (''Thomasomys antoniobracki'') is a species of Sigmodontinae, sigmodontine rodent in the family Cricetidae known from Peru. The species is named after Peruvian ecologist Antonio Brack Egg. See also * List of mammals ...

(''Thomasomys antoniobracki'') *

Apeco Oldfield mouse The Apeco Oldfield mouse (''Thomasomys apeco'') is a species of rodent in the family Cricetidae. It is known only from a single locality in north central Peru, which includes Rio Abiseo National Park, where it was found in cloud forest A ...

(''Thomasomys apeco'') *

Golden Oldfield mouse The golden Oldfield mouse or golden thomasomys (''Thomasomys aureus'') is a species of rodent in the family Cricetidae. It is found in Colombia, Ecuador, Peru, and Venezuela. Both the common and genus name commemorate the British zoologist O ...

(''Thomasomys aureus'') *

Beady-eyed mouse The beady-eyed mouse (''Thomasomys baeops'') is a species of rodent in the family Cricetidae. It is found only in Ecuador. References *Musser, G. G. and M. D. Carleton. 2005. Superfamily Muroidea. pp. 894–1531 ''in'' Mammal Species of ...

(''Thomasomys baeops'') *

Silky Oldfield mouse The silky Oldfield mouse (''Thomasomys bombycinus'') is a species of rodent in the family Cricetidae. It is found only in Colombia Colombia (, ; ), officially the Republic of Colombia, is a country in South America with insular regions ...

(''Thomasomys bombycinus'') *

Burneo’s Oldfield mouse Burneo’s Oldfield mouse (''Thomasomys burneoi'') is a species of sigmodontine rodent in the family Cricetidae known from Sangay National Park in the eastern Andes, central Ecuador. The species is named after Ecuadorian mammalogist . See a ...

(''Thomasomys burneoi'') * White-tipped Oldfield mouse (''Thomasomys caudivarius'') *

Ashy-bellied Oldfield mouse The ashy-bellied Oldfield mouse (''Thomasomys cinereiventer'') is a species of rodent in the family Cricetidae. It is found in Colombia Colombia (, ; ), officially the Republic of Colombia, is a country in South America with insular re ...

(''Thomasomys cinereiventer'') *

Ash-colored Oldfield mouse The ash-colored Oldfield mouse (''Thomasomys cinereus'') is a species of rodent in the family Cricetidae. It is found in Ecuador and Peru , image_flag = Flag of Peru.svg , image_coat = Escudo nacional del Perú.sv ...

(''Thomasomys cinereus'') *

Cinnamon-colored Oldfield mouse The cinnamon-colored Oldfield mouse (''Thomasomys cinnameus''), also called the "cinnamon-colored Thomasomys", is a species of rodent in the family Cricetidae. It is present in the Cordillera Oriental of the Andes from north central Ecuador t ...

(''Thomasomys cinnameus'') *

Daphne's Oldfield mouse Daphne's Oldfield mouse (''Thomasomys daphne'') is a species of rodent in the family Cricetidae. It is found in Bolivia , image_flag = Bandera de Bolivia (Estado).svg , flag_alt = Horizontal tricolor (red, yell ...

(''Thomasomys daphne'') *

Peruvian Oldfield mouse The Peruvian Oldfield mouse (''Thomasomys eleusis'') is a species of rodent in the family Cricetidae. It is found only in Peru. References

*Musser, G. G. and M. D. Carleton. 2005. Superfamily Muroidea. pp. 894–1531 ''in'' Mammal Spec ...

(''Thomasomys eleusis'') *

Wandering Oldfield mouse The wandering Oldfield mouse (''Thomasomys erro''), also called the wandering thomasomys, is a species of rodent in the family Cricetidae. It has been found in both the Cordillera Oriental and Cordillera Occidental of the Andes in central and ...

(''Thomasomys erro'') *

Slender Oldfield mouse The slender Oldfield mouse (''Thomasomys gracilis'') is a species of rodent in the family Cricetidae. It is found in Ecuador and Peru. References *Musser, G. G. and M. D. Carleton. 2005. Superfamily Muroidea. pp. 894–1531 ''in'' Mamm ...

(''Thomasomys gracilis'') * Hudson's Oldfield mouse (''Thomasomys hudsoni'') * Woodland Oldfield mouse (''Thomasomys hylophilus'') *

Inca Oldfield mouse The Inca Oldfield mouse (''Thomasomys incanus'') is a species of rodent in the family Cricetidae. It is found only in Peru. References *Musser, G. G. and M. D. Carleton. 2005. Superfamily Muroidea. pp. 894–1531 ''in'' Mammal Species ...

(''Thomasomys incanus'') *

Strong-tailed Oldfield mouse The strong-tailed Oldfield mouse (''Thomasomys ischyrus'') is a species of rodent in the family Cricetidae. It is found only in Peru. References *Musser, G. G. and M. D. Carleton. 2005. Superfamily Muroidea. pp. 894–1531 ''in'' Mammal ...

(''Thomasomys ischyrus'') * Kalinowski's Oldfield mouse (''Thomasomys kalinowskii'') *

Ladew's Oldfield mouse Ladew's Oldfield mouse (''Thomasomys ladewi'') is a species of rodent in the family Cricetidae. It is found only in Bolivia , image_flag = Bandera de Bolivia (Estado).svg , flag_alt = Horizontal tricolor (red, y ...

(''Thomasomys ladewi'') *

Soft-furred Oldfield mouse The soft-furred Oldfield mouse (''Thomasomys laniger'') is a species of rodent in the family Cricetidae. It is found in Colombia Colombia (, ; ), officially the Republic of Colombia, is a country in South America with insular regions i ...

(''Thomasomys laniger'') *

Large-eared Oldfield mouse The large-eared Oldfield mouse (''Thomasomys macrotis'') is a species of rodent in the family Cricetidae. It is known only from a single locality in the Andes in north central Peru (which includes Rio Abiseo National Park), in montane forest ...

(''Thomasomys macrotis'') *

Unicolored Oldfield mouse The unicolored Oldfield mouse (''Thomasomys monochromos'') is a species of rodent in the family Cricetidae. It is found only in Colombia Colombia (, ; ), officially the Republic of Colombia, is a country in South America with insular r ...

(''Thomasomys monochromos'') *

Snow-footed Oldfield mouse The snow-footed Oldfield mouse (''Thomasomys niveipes'') is a species of rodent in the family Cricetidae. It is found only in Colombia Colombia (, ; ), officially the Republic of Colombia, is a country in South America with insular reg ...

(''Thomasomys niveipes'') * Distinguished Oldfield mouse (''Thomasomys notatus'') * Ashaninka Oldfield mouse (''Thomasomys onkiro'') *

Montane Oldfield mouse The montane Oldfield mouse (''Thomasomys oreas'') is a species of rodent in the family Cricetidae. It is found only in Bolivia , image_flag = Bandera de Bolivia (Estado).svg , flag_alt = Horizontal tricolor (r ...

(''Thomasomys oreas'') *

Paramo Oldfield mouse The paramo Oldfield mouse (''Thomasomys paramorum'') is a species of rodent in the family Cricetidae. It is found only in Ecuador Ecuador ( ; ; Quechua: ''Ikwayur''; Shuar: ''Ecuador'' or ''Ekuatur''), officially the Republic of Ecuado ...

(''Thomasomys paramorum'') * Pardiñas’ Andean mouse (''Thomasomys pardignasi'') *

Popayán Oldfield mouse The Popayán Oldfield mouse (''Thomasomys popayanus''), also called the "Popayán thomasomys", is a species of rodent in the family Cricetidae. It is present in the Andes of southwestern and central western Colombia, at elevations from 1800 to ...

(''Thomasomys popayanus'') * Cajamarca Oldfield mouse (''Thomasomys praetor'') *

Thomas's Oldfield mouse Thomas's Oldfield mouse (''Thomasomys pyrrhonotus'') is a species of rodent in the family Cricetidae. It is found in Ecuador and Peru , image_flag = Flag of Peru.svg , image_coat = Escudo nacional del Perú.svg , ...

(''Thomasomys pyrrhonotus'') *

Rhoads's Oldfield mouse Rhoads's Oldfield mouse (''Thomasomys rhoadsi'') is a species of rodent in the family Cricetidae. It is found only in Ecuador. References * Baillie, J. 1996.Thomasomys rhoadsi 2006 IUCN Red List of Threatened Species. Downloaded on 20 July 2 ...

(''Thomasomys rhoadsi'') *

Rosalinda's Oldfield mouse Rosalinda's Oldfield mouse (''Thomasomys rosalinda'') is a species of rodent in the family Cricetidae. It is found only in Peru , image_flag = Flag of Peru.svg , image_coat = Escudo nacional del Perú.svg , other_ ...

(''Thomasomys rosalinda'') *

Forest Oldfield mouse The forest Oldfield mouse (''Thomasomys silvestris'') is a species of rodent in the family Cricetidae. It is found only in Ecuador. References *Musser, G. G. and M. D. Carleton. 2005. Superfamily Muroidea. pp. 894–1531 ''in'' Mammal ...

(''Thomasomys silvestris'') *

Taczanowski's Oldfield mouse Taczanowski's Oldfield mouse (''Thomasomys taczanowskii'') is a species of rodent in the family Cricetidae. It is found only in Peru , image_flag = Flag of Peru.svg , image_coat = Escudo nacional del Perú.svg , ...

(''Thomasomys taczanowskii'') *

Ucucha Oldfield mouse ''Thomasomys ucucha'', also known as the ucucha thomasomys, is a rodent in the genus ''Thomasomys'' of the family Cricetidae. It is known only from high altitude forest and grassland habitats in the Cordillera Oriental of Ecuador. Seven othe ...

(''Thomasomys ucucha'') *

Dressy Oldfield mouse The dressy Oldfield mouse (''Thomasomys vestitus'') is a species of rodent in the family Cricetidae. It is found only in Venezuela. References *Musser, G. G. and M. D. Carleton. 2005. Superfamily Muroidea. pp. 894–1531 ''in'' Mammal ...

(''Thomasomys vestitus'') *

Pichincha Oldfield mouse The Pichincha Oldfield mouse (''Thomasomys vulcani'') is a species of rodent in the family Cricetidae. It is present in the Cordillera Occidental of the Andes of Ecuador, where its habitats include shrubby páramo and montane forest. It is ...

(''Thomasomys vulcani'')

References

Taxonomy articles created by Polbot {{Thomasomys-stub