Thomasomys
Encyclopedia
Thomasomys is a genus of rodent
Rodent
Rodentia is an order of mammals also known as rodents, characterised by two continuously growing incisors in the upper and lower jaws which must be kept short by gnawing....

 in the family Cricetidae
Cricetidae
The Cricetidae are a family of rodents in the large and complex superfamily Muroidea. It includes true hamsters, voles, lemmings, and New World rats and mice...

, named after British zoologist Oldfield Thomas
Oldfield Thomas
Oldfield Thomas FRS was a British zoologist.Thomas worked at the Natural History Museum on mammals, describing about 2,000 new species and sub-species for the first time. He was appointed to the Museum Secretary's office in 1876, transferring to the Zoological Department in 1878...

. It contains the following species:
  • Anderson's Oldfield Mouse (Thomasomys andersoni)
  • Apeco Oldfield Mouse
    Apeco oldfield mouse
    The Apeco oldfield mouse 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 at an elevation of 3300 m. The species name comes from the acronym for the . It is...

     (Thomasomys apeco)
  • Golden Oldfield Mouse
    Golden Oldfield Mouse
    The Golden Oldfield Mouse is a species of rodent in the family Cricetidae.It is found in Colombia, Ecuador, Peru, and Venezuela.-References:* Baillie, J. 1996. . Downloaded on 20 July 2007....

     (Thomasomys aureus)
  • Beady-eyed Mouse
    Beady-eyed Mouse
    The Beady-eyed Mouse is a species of rodent in the family Cricetidae.It is found only in Ecuador.-References:* Baillie, J. 1996. . Downloaded on 9 July 2007....

     (Thomasomys baeops)
  • Silky Oldfield Mouse
    Silky Oldfield Mouse
    The Silky Oldfield Mouse is a species of rodent in the family Cricetidae.It is found only in Colombia.-References:* Baillie, J. 1996. . Downloaded on 20 July 2007....

     (Thomasomys bombycinus)
  • White-tipped Oldfield Mouse
    White-tipped oldfield mouse
    The white-tipped oldfield mouse is a species of rodent in the family Cricetidae. It is found in the Andes from central Ecuador to northern Peru, at elevations from 2500 to 3350 m, where it lives in montane forest....

     (Thomasomys caudivarius)
  • Ashy-bellied Oldfield Mouse
    Ashy-bellied Oldfield Mouse
    The Ashy-bellied Oldfield Mouse is a species of rodent in the family Cricetidae.It is found in Colombia and Ecuador.-References:* Baillie, J. 1996. . Downloaded on 9 July 2007....

     (Thomasomys cinereiventer)
  • Ash-colored Oldfield Mouse
    Ash-colored Oldfield Mouse
    The Ash-colored Oldfield Mouse is a species of rodent in the family Cricetidae.It is found in Ecuador and Peru.-References:* Baillie, J. 1996. . Downloaded on 9 July 2007....

     (Thomasomys cinereus)
  • Cinnamon-colored Oldfield Mouse
    Cinnamon-colored oldfield mouse
    The cinnamon-colored oldfield mouse , 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 to southern Colombia, at elevations from 2400 to 3800 m. It has terrestrial habits,...

     (Thomasomys cinnameus)
  • Daphne's Oldfield Mouse
    Daphne's Oldfield Mouse
    Daphne's Oldfield Mouse is a species of rodent in the family Cricetidae.It is found in Bolivia and Peru.-References:* Baillie, J. 1996. . Downloaded on 20 July 2007....

     (Thomasomys daphne)
  • Peruvian Oldfield Mouse
    Peruvian Oldfield Mouse
    The Peruvian Oldfield Mouse is a species of rodent in the family Cricetidae. It is found only in Peru.-References:* Baillie, J. 1996. . Downloaded on 20 July 2007....

     (Thomasomys eleusis)
  • Wandering Oldfield Mouse
    Wandering oldfield mouse
    The wandering oldfield mouse , 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 north central Ecuador, at elevations from 2400 to 3600 m...

     (Thomasomys erro)
  • Slender Oldfield Mouse
    Slender Oldfield Mouse
    The Slender Oldfield Mouse is a species of rodent in the family Cricetidae. It is found in Ecuador and Peru.-References:* Baillie, J. 1996. . Downloaded on 20 July 2007....

     (Thomasomys gracilis)
  • Hudson's Oldfield Mouse
    Hudson's oldfield mouse
    Hudson's oldfield mouse is a species of rodent in the family Cricetidae. It is known only from the Andes in southern Ecuador, where is has been found at an elevation of 3100 m. It was formerly considered a subspecies of T. gracilis. It is named after American zoologist Wilfred Hudson Osgood....

     (Thomasomys hudsoni)
  • Woodland Oldfield Mouse
    Woodland Oldfield Mouse
    The Woodland Oldfield Mouse is a species of rodent in the family Cricetidae.It is found in Colombia and Venezuela.-References:* Baillie, J. 1996. . Downloaded on 20 July 2007....

     (Thomasomys hylophilus)
  • Inca Oldfield Mouse
    Inca Oldfield Mouse
    The Inca Oldfield Mouse is a species of rodent in the family Cricetidae.It is found only in Peru.-References:* Baillie, J. 1996. . Downloaded on 20 July 2007....

     (Thomasomys incanus)
  • Strong-tailed Oldfield Mouse
    Strong-tailed Oldfield Mouse
    The Strong-tailed Oldfield Mouse is a species of rodent in the family Cricetidae. It is found only in Peru.-References:* Baillie, J. 1996. . Downloaded on 9 July 2007....

     (Thomasomys ischyrus)
  • Kalinowski's Oldfield Mouse
    Kalinowski's Oldfield Mouse
    Kalinowski's Oldfield Mouse is a species of rodent in the family Cricetidae.It is found only in Peru.-References:* Baillie, J. 1996. . Downloaded on 20 July 2007....

     (Thomasomys kalinowskii)
  • Ladew's Oldfield Mouse
    Ladew's Oldfield Mouse
    Ladew's Oldfield Mouse is a species of rodent in the family Cricetidae.It is found only in Bolivia.-References:* Baillie, J. 1996. . Downloaded on 20 July 2007....

     (Thomasomys ladewi)
  • Soft-furred Oldfield Mouse
    Soft-furred Oldfield Mouse
    The Soft-furred Oldfield Mouse is a species of rodent in the family Cricetidae.It is found in Colombia and Venezuela.-References:* Baillie, J. 1996. . Downloaded on 20 July 2007....

     (Thomasomys laniger)
  • Large-eared Oldfield Mouse
    Large-eared oldfield mouse
    The large-eared oldfield mouse is a species of rodent in the family Cricetidae. It is known only from a single locality in the Andes in north central Peru , in montane forest at an elevation of 3300 m. It has terrestrial habits and is sympatric with T. apeco....

     (Thomasomys macrotis)
  • Unicolored Oldfield Mouse
    Unicolored Oldfield Mouse
    The Unicolored Oldfield Mouse is a species of rodent in the family Cricetidae.It is found only in Colombia.-References:* Baillie, J. 1996. . Downloaded on 20 July 2007....

     (Thomasomys monochromos)
  • Snow-footed Oldfield Mouse
    Snow-footed Oldfield Mouse
    The Snow-footed Oldfield Mouse is a species of rodent in the family Cricetidae.It is found only in Colombia.-References:* Baillie, J. 1996. . Downloaded on 9 July 2007....

     (Thomasomys niveipes)
  • Distinguished Oldfield Mouse
    Distinguished Oldfield Mouse
    The Distinguished Oldfield Mouse is a species of rodent in the family Cricetidae.It is found only in Peru.-References:* Baillie, J. 1996. . Downloaded on 20 July 2007....

     (Thomasomys notatus)
  • Ashaninka Oldfield Mouse
    Ashaninka oldfield mouse
    The Ashaninka oldfield mouse is a species of rodent in the family Cricetidae. It is known only from a single locality in the Cordillera Oriental of the southern Peruvian Andes, in montane forest at an elevation of 3350 m. It has terrestrial habits...

     (Thomasomys onkiro)
  • Montane Oldfield Mouse
    Montane Oldfield Mouse
    The Montane Oldfield Mouse is a species of rodent in the family Cricetidae.It is found only in Bolivia.-References:* Baillie, J. 1996. . Downloaded on 20 July 2007....

     (Thomasomys oreas)
  • Paramo Oldfield Mouse
    Paramo Oldfield Mouse
    The Paramo Oldfield Mouse is a species of rodent in the family Cricetidae. A youth or baby of a Paramo Oldfield mouse is called a 'pinkie', 'kitten' or 'pup'. The females are called 'does' and males 'bucks'...

     (Thomasomys paramorum)
  • Popayán Oldfield Mouse
    Popayán oldfield mouse
    The Popayán oldfield mouse , 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 3200 m. It has been found in páramo, montane forest, and secondary forest. It was...

     (Thomasomys popayanus)
  • Cajamarca Oldfield Mouse
    Cajamarca oldfield mouse
    The Cajamarca oldfield mouse is a species of rodent in the family Cricetidae. It is present in the Andes of northwestern Peru, where its habitats include shrubby páramo, montane forest, and secondary forest. The rodent is nocturnal and may be partly arboreal. It was formerly considered a...

     (Thomasomys praetor)
  • Thomas's Oldfield Mouse
    Thomas's Oldfield Mouse
    Thomas's Oldfield Mouse is a species of rodent in the family Cricetidae.It is found in Ecuador and Peru.-References:* Baillie, J. 1996. . Downloaded on 20 July 2007....

     (Thomasomys pyrrhonotus)
  • Rhoads's Oldfield Mouse
    Rhoads's Oldfield Mouse
    Rhoads's Oldfield Mouse is a species of rodent in the family Cricetidae.It is found only in Ecuador.-References:* Baillie, J. 1996. . Downloaded on 20 July 2007....

     (Thomasomys rhoadsi)
  • Rosalinda's Oldfield Mouse
    Rosalinda's Oldfield Mouse
    Rosalinda's Oldfield Mouse is a species of rodent in the family Cricetidae. It is found only in Peru.-References:* Baillie, J. 1996. . Downloaded on 20 July 2007....

     (Thomasomys rosalinda)
  • Forest Oldfield Mouse
    Forest Oldfield Mouse
    The Forest Oldfield Mouse is a species of rodent in the family Cricetidae.It is found only in Ecuador.-References:* Baillie, J. 1996. . Downloaded on 20 July 2007....

     (Thomasomys silvestris)
  • Taczanowski's Oldfield Mouse
    Taczanowski's Oldfield Mouse
    Taczanowski's Oldfield Mouse is a species of rodent in the family Cricetidae.It is found only in Peru.-References:* Baillie, J. 1996. . Downloaded on 20 July 2007....

     (Thomasomys taczanowskii)
  • Ucucha Oldfield Mouse
    Ucucha oldfield mouse
    Thomasomys ucucha, also known as the Ucucha Thomasomys, is a rodent in the genus Thomasomys of the family Cricetidae. Found only in the Cordillera Oriental of Ecuador, a mountain range, it lives in forests and grasslands at 3380 to 3720 m above sea level. It may occur with seven other species...

     (Thomasomys ucucha)
  • Dressy Oldfield Mouse
    Dressy Oldfield Mouse
    The Dressy Oldfield Mouse is a species of rodent in the family Cricetidae.It is found only in Venezuela.-References:* Baillie, J. 1996. . Downloaded on 20 July 2007....

     (Thomasomys vestitus)
  • Pichincha Oldfield Mouse
    Pichincha oldfield mouse
    The Pichincha oldfield mouse 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 nocturnal and terrestrial...

     (Thomasomys vulcani)

See also

Peromyscus polionotus, a North American cricetid species also called an "oldfield mouse".
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