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: Arvicolinae
Genus: Dicrostonyx
Species: D. groenlandicus - D. hudsonius - D. nelsoni - D. nunatakensis - D. richardsoni - D. torquatus - D. unalascensis - D. vinogradovi
Name
Dicrostonyx Gloger, 1841
Type species: Mus hudsonius Pallas, 1778
References
Dicrostonyx 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.
Dicrostonyx is a genus of rodent in the family Cricetidae.[1] It contains the collared lemmings. They are the only North American rodents that turn completely white in winter.[2] It contains the following species:
Northern collared lemming (Dicrostonyx groenlandicus)
Ungava collared lemming (Dicrostonyx hudsonius)
Nelson's collared lemming (Dicrostonyx nelsoni)
Ogilvie Mountains collared lemming (Dicrostonyx nunatakensis)
Richardson's collared lemming (Dicrostonyx richardsoni)
Arctic lemming (Dicrostonyx torquatus)
Unalaska collared lemming (Dicrostonyx unalascensis)
References
Musser, G.G.; Carleton, M.D. (2005). "Genus Dicrostonyx". 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. 970–973. ISBN 978-0-8018-8221-0. OCLC 62265494.
"Dicrostonyx groenlandicus, Bering collared lemming". Animal Diversity Web. Retrieved 19 April 2016.
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