Urocitellus washingtoni

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Urocitellus washingtoni


Taxonavigation: Sciuromorpha 

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
Ordo: Therapsida
Cladus: Theriodontia
Subordo: Cynodontia
Infraordo: Eucynodontia
Cladus: Probainognathia
Cladus: Prozostrodontia
Cladus: Mammaliaformes
Classis: Mammalia
Subclassis: Trechnotheria
Infraclassis: Zatheria
Supercohort: Theria
Cohort: Eutheria
Cohort: Placentalia
Superordo: Boreoeutheria
Superordo: Euarchontoglires
Ordo: Rodentia
Subordo: Sciuromorpha

Familia: Sciuridae
Subfamilia: Xerinae
Tribus: Marmotini
Genus: Urocitellus
Species: Urocitellus washingtoni


Urocitellus washingtoni A.H. Howell, 1938


All the species of Urocitellus were previously believed to belong to the much larger genus Spermophilus[1], but DNA sequencing of the cytochrome b gene showed that this group was paraphyletic to the prairie dogs and marmots,[2], and could therefore no longer be retained as a single genus. As a result, Urocitellus is now considered as a genus in its own right.[3]


  1. Herron, Matthew D.; Castoe, Todd A.; Parkinson, Christopher L. 2004. Sciurid phylogeny and the paraphyly of Holarctic ground squirrels (Spermophilus). Molecular Phylogenetics and Evolution, 31(3). PMID 15120398. 
  2. Helgen, Kristofer M.; Cole, F. Russel; Helgen, Lauren E.; and Wilson, Don E 2009. Generic Revision in the Holarctic Ground Squirrel Genus Spermophilus. Journal of Mammalogy, 90(2): 270–305. doi:10.1644/07-MAMM-A-309.1. Archived from the original on 2011-10-22. https://www.webcitation.org/62dP5i1JK?url=http://www.mammalsociety.org/uploads/Helgen. 


  • North American Mammals: Urocitellus washingtoni [1]

Vernacular names[edit]

български: Spermophilus washingtoni
català: Suslic de Washington
Cebuano: Spermophilus washingtoni
Deutsch: Washington-Ziesel
English: Washington Ground Squirrel
euskara: Spermophilus washingtoni
فارسی: سنجاب زمینی واشینگتن
日本語: ワシントンジリス
Nederlands: Washingtongrondeekhoorn
polski: Susłogon waszyngtoński
Winaray: Spermophilus washingtoni