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Temporal range: Recent
From left to right: complete skull in views from above, aside, and below.
Thomasomys monochromos skull.
Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Rodentia
Family: Cricetidae
Subfamily: Sigmodontinae
Tribe: Thomasomyini
Genus: Thomasomys
Coues, 1884
Type species
Hesperomys cinereus
Thomas, 1882

Thomasomys andersoni
Thomasomys apeco
Thomasomys aureus
Thomasomys baeops
Thomasomys bombycinus
Thomasomys caudivarius
Thomasomys cinereiventer
Thomasomys cinereus
Thomasomys cinnameus
Thomasomys daphne
Thomasomys eleusis
Thomasomys erro
Thomasomys gracilis
Thomasomys hudsoni
Thomasomys hylophilus
Thomasomys incanus
Thomasomys ischyrus
Thomasomys kalinowskii
Thomasomys ladewi
Thomasomys laniger
Thomasomys macrotis
Thomasomys monochromos
Thomasomys niveipes
Thomasomys notatus
Thomasomys onkiro
Thomasomys oreas
Thomasomys paramorum
Thomasomys popayanus
Thomasomys praetor
Thomasomys pyrrhonotus
Thomasomys rhoadsi
Thomasomys rosalinda
Thomasomys silvestris
Thomasomys taczanowskii
Thomasomys ucucha
Thomasomys vestitus
Thomasomys vulcani

Thomasomys is a genus of rodent in the family Cricetidae,[1] named after British zoologist Oldfield Thomas. Nuclear DNA sequence analysis has indicated that it is a sister taxon to Rhagomys.[2] It contains the following species:


  1. ^ Musser, G.G.; Carleton, M.D. (2005). "Superfamily Muroidea". In Wilson, D.E.; Reeder, D.M. Mammal Species of the World: A Taxonomic and Geographic Reference (3rd ed.). Johns Hopkins University Press. pp. 894–1531. ISBN 978-0-8018-8221-0. OCLC 62265494. 
  2. ^ D'Elía, G.; Luna, L.; González, E. M.; Patterson, B. D. (February 2006). "On the Sigmodontinae radiation (Rodentia, Cricetidae): An appraisal of the phylogenetic position of Rhagomys". Molecular Phylogenetics and Evolution. Elsevier. 38 (2): 558–564. doi:10.1016/j.ympev.2005.08.011. PMID 16213166. 

See also[edit]

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