The volcano mouse or Javan shrew-like mouse is a species of rodent in the family Muridae endemic to Indonesia.
The golden Oldfield mouse or golden thomasomys 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 Oldfield Thomas who worked at the Natural History Museum, London and studied South American rodents.
Thomasomys is a genus of rodent in the family Cricetidae, named after British zoologist Oldfield Thomas. Nuclear DNA sequence analysis has indicated that it is a sister taxon to Rhagomys. It contains the following species:
The silky Oldfield mouse is a species of rodent in the family Cricetidae. It is found only in Colombia.
The ashy-bellied Oldfield mouse is a species of rodent in the family Cricetidae. It is found in Colombia and Ecuador.
Daphne's Oldfield mouse is a species of rodent in the family Cricetidae. It is found in Bolivia and Peru.
The Peruvian Oldfield mouse is a species of rodent in the family Cricetidae. It is found only in Peru.
The woodland Oldfield mouse is a species of rodent in the family Cricetidae. It is found in Colombia and Venezuela.
The strong-tailed Oldfield mouse is a species of rodent in the family Cricetidae. It is found only in Peru.
The soft-furred Oldfield mouse is a species of rodent in the family Cricetidae. It is found in Colombia and Venezuela.
The distinguished Oldfield mouse is a species of rodent in the family Cricetidae. It is found only in Peru.
Thomas's Oldfield mouse is a species of rodent in the family Cricetidae.
Rosalinda's Oldfield mouse is a species of rodent in the family Cricetidae. It is found only in Peru.
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. It has terrestrial habits, and has been found in cloud forest and areas of secondary vegetation. It was formerly considered a subspecies of T. cinereiventer.
Hudson's Oldfield mouse is a species of rodent in the family Cricetidae. It is known only from the Andes in southern Ecuador, where it 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.
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.
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. The common name refers to the Asháninka, the largest indigenous group of the Peruvian Amazon.
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 formerly considered a subspecies of T. aureus. T. nicefori, presently considered a synonym, will likely be raised to the status of a separate species. The specific name comes from the Colombian city of Popayán.
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 subspecies of T. aureus. The common name comes from the Peruvian city and region of Cajamarca.
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 other species of Thomasomys live in the same areas. First collected in 1903, T. ucucha was formally described as a new species in 2003 and most closely resembles T. hylophilus, which occurs further to the north. The species is listed as "vulnerable" in the IUCN Red List as a result of habitat destruction.
