Superregnum: Eukaryota
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Superclassis: Tetrapoda
Cladus: Reptiliomorpha
Cladus: Amniota
Cladus: Synapsida
Cladus: Eupelycosauria
Cladus: Sphenacodontia
Cladus: Sphenacodontoidea
Cladus: Therapsida
Cladus: Theriodontia
Cladus: Cynodontia
Cladus: Mammaliaformes
Classis: Mammalia
Subclassis: Trechnotheria
Infraclassis: Zatheria
Supercohort: Theria
Cohort: Eutheria
Cohort: Placentalia
Cladus: Boreoeutheria
Superordo: Euarchontoglires
Ordo: Rodentia
Subordo: Myomorpha
Superfamilia: Muroidea
Familia: Cricetidae
Subfamilia: Sigmodontinae
Tribe: Oryzomyini
Genus: Cerradomys
Species (8): C. akroai – C. goytaca – C. langguthi – C. marinhus – C. maracajuensis – C. scotti – C. subflavus – C. vivoi
Name
Cerradomys Weksler, Percequillo & Voss, 2006: 8
Type species: Hesperomys subflavus Wagner, 1842, by original designation.
References
Primary references
Weksler, M., Percequillo & Voss, R.S. 2006. Ten new genera of oryzomyine rodents (Cricetidae: Sigmodontinae). American Museum Novitates 3537: 1–29. DOI: 10.1206/0003-0082(2006)3537[1:TNGOOR]2.0.CO;2 Paywall; hdl: 2246/5815 Open access Reference page.
Additional references
Percequillo, A.R., Hingst-Zaher, E. & Bonvicino, C.R. 2008. Systematic review of genus Cerradomys Weksler, Percequillo and Voss, 2006 (Rodentia: Cricetidae: Sigmodontinae: Oryzomyini), with description of two new species from eastern Brazil. American Museum Novitates 3622: 1–46. DOI: 10.1206/495.1 Full article Reference page.
Tavares, W.C., Pessôa, L.M. & Gonçalves, P.R. 2011. New species of Cerradomys from coastal sandy plains of southeastern Brazil (Cricetidae: Sigmodontinae). Journal of Mammalogy 92(3): 645–658. DOI: 10.1644/10-MAMM-096.1 Reference page.
Bonvicino, C.R., Casado, F. & Weksler, M. 2014. A new species of Cerradomys (Mammalia: Rodentia: Cricetidae) from Central Brazil, with remarks on the taxonomy of the genus. Zoologia (Curitiba) 31(6): 525–540. DOI: 10.1590/S1984-46702014000600002 Reference page.
Percequillo, A.R. 2015. Genus Cerradomys Weksler, Percequillo, and Voss, 2006. Pp. 300–308 in Patton, J.L., Pardiñas, U.F.J. & D’Elía, G. (eds.), Mammals of South America. Volume 2. Rodents. The University of Chicago Press: Chicago, Illinois. ISBN 978-0-226-16957-6. Reference page.
Tavares, W.C., Pessôa, L.M. & Seuánez, H.N. 2016. Systematics and Acceleration of Cranial Evolution in Cerradomys (Rodentia, Cricetidae, Sigmodontinae) of Quaternary Sandy Plains in Southeastern Brazil. Journal of Mammalian Evolution 23(3): 281–296. DOI: 10.1007/s10914-015-9316-7
Cerradomys is a genus of oryzomyine rodents from eastern Bolivia, Paraguay, and central Brazil found in cerrado, Caatinga and Gran Chaco habitats.
The species in this genus have historically been placed in Oryzomys, but according to cladistic research, they are not more closely related to the type species of Oryzomys than species in some other genera are. Its sister group may be a clade of oryzomyines living in open or aquatic habitats, comprising, among others, Aegialomys, Nectomys and Sigmodontomys. Sooretamys angouya, also formerly in Oryzomys, is another relative; it has been placed in the same group as the species of Cerradomys in the past. The generic name Cerradomys is a compound of the word "Cerrado" and the Ancient Greek μῦς mys "mouse" and therefore means "Cerrado mouse".
The dorsal pelage is brownish, the ventral pelage, greyish. It has small ears and a relatively long tail. There are crowns of hair on the hindfeet at the bases of the claws.
In addition to its external classification, the internal classification of the group is also subject to change. Until 2002, all members of the group were placed in a single species, then called Oryzomys subflavus, but since then, seven new species have been described, often on the basis of karyotypic differences, but two of these later turned out to represent the same species.
The genus currently contains the following species:
Cerradomys goytaca
Cerradomys langguthi
Cerradomys maracajuensis
Cerradomys marinhus
Cerradomys scotti (including Oryzomys andersoni)
Cerradomys subflavus
Cerradomys vivoi
References
Musser, G.G. and Carleton, M.D. 2005. Superfamily Muroidea. Pp. 894–1531 in Wilson, D.E. and Reeder, D.M. (eds.). Mammal Species of the World: a taxonomic and geographic reference. 3rd ed. Baltimore: The Johns Hopkins University Press, 2 vols., 2142 pp. ISBN 978-0-8018-8221-0
Percequillo, A.R., Hingst-Zaher, E. and Bonvicino, C.R. 2008. Systematic review of genus Cerradomys Weksler, Percequillo and Voss, 2006 (Rodentia: Cricetidae: Sigmodontinae: Oryzomyini), with description of two new species from Eastern Brazil. American Museum Novitates 3622:1–46.
Tavares, W.C., Pessôa, L.M. and Gonçalves, P.R. 2011. New species of Cerradomys from coastal sandy plains of southeastern Brazil (Cricetidae: Sigmodontinae) (subscription required). Journal of Mammalogy 92(3):645–658.
Weksler, M.; Percequillo, A. R.; Voss, R. S. (2006-10-19). "Ten new genera of oryzomyine rodents (Cricetidae: Sigmodontinae)" (PDF). American Museum Novitates. American Museum of Natural History (3537): 1–29. doi:10.1206/0003-0082(2006)3537[1:TNGOOR]2.0.CO;2. hdl:2246/5815.
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