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Superregnum: Eukaryota
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Cladus: Craniata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Superclassis: Tetrapoda
Cladus: Reptiliomorpha
Cladus: Amniota
Cladus: Synapsida
Cladus: Eupelycosauria
Cladus: Sphenacodontia
Cladus: Sphenacodontoidea
OrdoTherapsida
Cladus: Theriodontia
Subordo: 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
Tribus: Sigmodontini
Genus: Sigmodon
Species (14): S. alleni – S. alstoni – S. arizonae – S. fulviventer – S. hirsutus – S. hispidus – S. inopinatus – S. leucotis – S. mascotensis – S. ochrognathus – S. peruanus – S. planifrons – S. toltecus – S. zanjonensis
Name

Sigmodon Say & Ord, 1825: 354

Type species: Sigmodon hispidus, Say & ord, 1825, by monotypy.
Synonyms

Lasiomys Burmeister, 1854: 16

Type species: Lasiomys hirsutus Burmeister, 1854, by monotypy.

Deilemys Saussure, 1860: 98

Type species: Hesperomys toltecus Saussure, 1860, by monotypy.

Sigmomys Thomas, 1901: 150

Type species: Reithrodon alstoni Thomas, 1881, by original designation.
References
Primary references

Say, T. & Ord, G. 1825. Description of a new species of Mammalia, whereon a new genus is proposed to be founded. Journal of the Academy of Natural Sciences of Philadelphia 4: 352–355.
Burmeister, H. 1854. Systematische Uebersicht der Thiere Brasiliens: welche während einer Reise durch die Provinzen von Rio de Janeiro und Minas geraës gesammelt oder beobachtet wurden von Dr. Hermann Burmeister. Säugethiere (Mammalia). Berlin: George Reimer, 1: x + 342 pp. BHL
Saussure, H. 1860. Note sur quelques mammifères du Mexique. Revue et Magasin de Zoologie pure et appliquée, series 2, 12: 1–11, 53–57, 97–110, 241–254, 271–293, 366–383, 425–431, 479–494, 4 pls.
Thomas, O. 1901. On a collection of mammals from the Kanuku Mountains, British Guiana. Annals and Magazine of Natural History, series 7, 8: 139–154. BHL

Additional references

Bailey, V. 1902. Synopsis of the North American species of Sigmodon. Proceedings of the Biological Society of Washington 15: 101–116. BHL
Voss, R.S. 1992. A revision of the South American species of Sigmodon (Mammalia, Muridae) : with notes on their natural history and biogeography. American Museum Novitates 3050: 1–56. Full article
Peppers, L.L., Carroll, D.S. & Bradley, R.D. 2002. Molecular systematics of the genus Sigmodon (Rodentia: Muridae): evidence from the mitochondrial cytochrome b gene. Journal of Mammalogy 83(2): 396–407. DOI: 10.1644/1545-1542(2002)083<0396:MSOTGS>2.O.CO;2
Carroll, D.S. & Bradley, R.D. 2005. Systematics of the genus Sigmodon: DNA sequences from beta-fibrinogen and cyto-chrome b. Southwestern Naturalist 50(3): 342–349. DOI: 10.1894/0038-4909(2005)050[0342:SOTGSD]2.0.CO;2
Henson, D.D. & Bradley, R.D. 2009. Molecular systematics of the genus Sigmodon: results from mitochondrial and nuclear gene sequences. Canadian Journal of Zoology 87(3): 211–220. DOI: 10.1139/Z09-005

Links

Sigmodon in Mammal Species of the World.
Wilson, Don E. & Reeder, DeeAnn M. (Editors) 2005. Mammal Species of the World – A Taxonomic and Geographic Reference. Third edition. ISBN 0-8018-8221-4.

Vernacular names
Deutsch: Baumwollratten
English: Cotton rat
français: Sigmodon
Türkçe: Pamuk faresi

A cotton rat is any member of the rodent genus Sigmodon. Their name derives from their damaging effects on cotton as well as other plantation crops, such as sugarcane, corn, peanut and rice.[1][2] Cotton rats have small ears and dark coats, and are found in North and South America. Members of this genus are distributed in the Southwestern United States, Mexico, Central America, and South American countries of: Venezuela, Ecuador, Colombia, Peru, Brazil, Guyana, and Suriname. Many of the species are found in Mexico.[3]

They are primarily herbivores. The molars of cotton rats are S-shaped when viewed from above. The genus name literally means S-tooth.

Sigmodon hispidus was the first model organism to be used in polio research.
Classification

References

"Cotton Rat | National Environmental Health Association: NEHA". www.neha.org. Retrieved 2021-08-04.
"Sigmodon hispidus". www.fs.fed.us. Retrieved 2021-08-04.

"Vermin control company". Sunday, 2 January 2022

Musser, G.G.; Carleton, M.D. (2005). "Superfamily Muroidea". In Wilson, D.E.; Reeder, D.M (eds.). 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.

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