Urocitellus townsendii

(Bachman, 1839)

Townsend's Ground Squirrel

Taxonomy

Subclass : Theria
Infraclass : Placentalia
Magnorder : Boreoeutheria
Superorder : Euarchontoglires
Order : Rodentia
Suborder : Sciuromorpha
Family : Sciuridae
Subfamily : Xerinae
Tribe : Marmotini
Genus : Urocitellus

Species status

Living
Found in the wild
Listed in MSW3 2005

Authority citation

Bachman, J. 1839. Description of several new species of American quadrupeds. Journal of the Academy of Natural Sciences of Philadelphia 8(1):57-74.

Authority publication link

https://www.biodiversitylibrary.org/page/24623031

Original name as described

Spermophilus Townsendii

Type material

ANSP 344

Type kind

holotype

Type locality

“the prairies near the Walla-walla [River]”, Walla Walla County, Washington, United States. Restricted to ““On the Columbia River, about 300 miles above its mount” near the mouth of Walla Walla River, Wash[ington].,” United States by A. H. Howell, 1938.

Biogeographic realm

Nearctic

Country distribution

United States

Subregion distribution

USA(WA)

Taxonomy notes

moved to Urocitelus from Spermophilus; nancyae has been considered a distinct species, however, this has not been supported by molecular analyses despite its unique karyotype

Taxonomy notes citation

Helgen, K. M., Cole, F. R., Helgen, L. E., & Wilson, D. E. (2009). Generic Revision in the Holarctic Ground Squirrel Genus Spermophilus. Journal of Mammalogy, 90(2), 270-305. http://doi.org/10.1644/07-MAMM-A-309.1 · McLean, B. S., Jackson, D. J., & Cook, J. A. (2016). Rapid divergence and gene flow at high latitudes shape the history of Holarctic ground squirrels (Urocitellus). Molecular phylogenetics and evolution, 102, 174-188.

IUCN Red List status

Vulnerable

Species Permalink

https://www.mammaldiversity.org/taxon/1001795

Country distribution map

The map below provides a general overview. Most species inhabit only specific regions within countries. Hover over the highlighted regions to see the country name.

Names and synonyms

Present and past (if available) associated names to the species. Click on a name to view its details. If the list is long, scroll down to see more.

Spermophilus Townsendii

(Bachman, 1839)

Family

Sciuridae

Root name

townsendii

Validity status

species

Nomenclatural status

available

Type

ANSP 344

Type kind

holotype

Authority page

61

Authority page URI

https://www.biodiversitylibrary.org/page/24623031

Authority publication

Journal of the Academy of Natural Sciences of Philadelphia

Name usages

  1. Murray (1866:355, https://www.biodiversitylibrary.org/page/15580351) (information at https://hesperomys.com/a/39798)
  2. Hall & Kelson (1959:336) (information at https://hesperomys.com/a/69357)
  3. Honacki, Kinman & Koeppl (1982:371) (information at https://hesperomys.com/a/63071)
  4. Heaton (1985:356, https://www.biodiversitylibrary.org/page/8885274) (information at https://hesperomys.com/a/5733)
  5. Rickart (1989:531) (information at https://hesperomys.com/a/67222)
  6. Corbet & Hill (1991:143) (information at https://hesperomys.com/a/63070)
  7. Hoffmann, Anderson, Thorington & Heaney (1993:449) (information at https://hesperomys.com/a/69019)
  8. Thorington & Hoffmann (2005) (information at https://hesperomys.com/a/8554)

Spermophilus Richardsoni Townsendi

(F. W. True, 1885)

Family

Sciuridae

Root name

townsendi

Validity status

synonym

Nomenclatural status

incorrectsubsequentspelling

Authority page

594

Authority page URI

https://www.biodiversitylibrary.org/page/7306388

Authority publication

Proceedings of the United States National Museum

Name usages

True (1885:594, https://www.biodiversitylibrary.org/page/7306388) (information at https://hesperomys.com/a/35039)

Spermophilus townsendi

(C. H. Merriam, 1891)

Family

Sciuridae

Root name

townsendi

Validity status

synonym

Nomenclatural status

name_combination · incorrect_subsequent_spelling

Authority page

36

Authority page URI

https://www.biodiversitylibrary.org/page/25798859

Authority publication

North American Fauna

Name usages

  1. Nadler (1968:144) (information at https://hesperomys.com/a/34972)
  2. Corbet & Hill (1980:135) (information at https://hesperomys.com/a/63069)
  3. Nadler, Hoffmann, Vorontsov, Koeppl, Deutsch & Sukernik (1982:211, https://www.biodiversitylibrary.org/page/45445874) (information at https://hesperomys.com/a/67221)

Spermophilus mollis yakimensis

(C. H. Merriam, 1898)

Family

Sciuridae

Root name

yakimensis

Validity status

synonym

Nomenclatural status

available

Type

USNM:MAMM:89331

Type kind

holotype

Type specimen URI

http://n2t.net/ark:/65665/39ca6fc0a-5cfc-4c47-b866-e2999312abaf

Authority page

70

Authority page URI

https://www.biodiversitylibrary.org/page/2263680

Authority publication

Proceedings of the Biological Society of Washington

Name usages

Thorington & Hoffmann (2005) (information at https://hesperomys.com/a/8554)

Citellus townsendii

(V. O. Bailey, 1936)

Family

Sciuridae

Root name

townsendii

Validity status

synonym

Nomenclatural status

name_combination

Authority page

151

Authority page URI

https://www.biodiversitylibrary.org/page/25806060

Authority publication

North American Fauna

Name usages

  1. Bailey (1936:151, https://www.biodiversitylibrary.org/page/25806060) (information at https://hesperomys.com/a/35313)
  2. Howell (1938:60, https://www.biodiversitylibrary.org/page/25806453) (information at https://hesperomys.com/a/16606)

Citellus townsendii townsendii

(A. H. Howell, 1938)

Family

Sciuridae

Root name

townsendii

Validity status

synonym

Nomenclatural status

name_combination

Authority page

60

Authority page URI

https://www.biodiversitylibrary.org/page/25806453

Authority publication

North American Fauna

Name usages

Howell (1938:60, https://www.biodiversitylibrary.org/page/25806453) (information at https://hesperomys.com/a/16606)

Spermophilus townsendii townsendii

(E. R. Hall & Kelson, 1959)

Family

Sciuridae

Root name

townsendii

Validity status

synonym

Nomenclatural status

name_combination

Authority page

337

Authority publication

New York

Name usages

  1. Hall & Kelson (1959:337) (information at https://hesperomys.com/a/69357)
  2. Nadler, Hoffmann, Vorontsov, Koeppl, Deutsch & Sukernik (1982:199, https://www.biodiversitylibrary.org/page/45445862) (information at https://hesperomys.com/a/67221)
  3. Thorington & Hoffmann (2005) (information at https://hesperomys.com/a/8554)

Spermophilus townsendi nancyae

(C. F. Nadler, 1968)

Family

Sciuridae

Root name

nancyae

Validity status

synonym

Nomenclatural status

available

Type

FMNH:Mamm:104092

Type kind

holotype

Type specimen URI

http://portal.vertnet.org/o/fmnh/mammals?id=95850d2b-0572-475a-84fd-88a7048c4cc1

Authority page

153

Authority publication

Cytogenetic and Genome Research

Name usages

Nadler (1968:153) (information at https://hesperomys.com/a/34972)

Spermophilus townsendi townsendi

(C. F. Nadler, 1968)

Family

Sciuridae

Root name

townsendi

Validity status

synonym

Nomenclatural status

name_combination · incorrect_subsequent_spelling

Authority page

144

Authority publication

Cytogenetic and Genome Research

Name usages

Nadler (1968:144) (information at https://hesperomys.com/a/34972)

Spermophilus mollis nancyae

(C. F. Nadler, R. S. Hoffmann, Vorontsov, Koeppl, Deutsch, & Sukernik, 1982)

Family

Sciuridae

Root name

nancyae

Validity status

synonym

Nomenclatural status

name_combination

Authority page

199

Authority page URI

https://www.biodiversitylibrary.org/page/45445862

Authority publication

Zeitschrift für Säugetierkunde

Name usages

Nadler, Hoffmann, Vorontsov, Koeppl, Deutsch & Sukernik (1982:199, https://www.biodiversitylibrary.org/page/45445862) (information at https://hesperomys.com/a/67221)

Spermophilus townsendii nancyae

(Thorington & R. S. Hoffmann, 2005)

Family

Sciuridae

Root name

nancyae

Validity status

synonym

Nomenclatural status

name_combination

Authority publication

Baltimore

Name usages

Thorington & Hoffmann (2005) (information at https://hesperomys.com/a/8554)

Urocitellus townsendii nancyae

K. M. Helgen, Cole, L. E. Helgen, & D. E. Wilson, 2009

Family

Sciuridae

Root name

nancyae

Validity status

synonym

Nomenclatural status

name_combination

Authority page

298

Authority publication

Journal of Mammalogy

Name usages

Helgen, Cole, Helgen & Wilson (2009:298) (information at https://hesperomys.com/a/6407)

Urocitellus townsendii

K. M. Helgen, Cole, L. E. Helgen, & D. E. Wilson, 2009

Family

Sciuridae

Root name

townsendii

Validity status

synonym

Nomenclatural status

name_combination

Authority page

298

Authority publication

Journal of Mammalogy

Name usages

  1. Helgen, Cole, Helgen & Wilson (2009:298) (information at https://hesperomys.com/a/6407)
  2. Bradley, Ammerman, Baker, Bradley, Cook, Dowler, Jones, Schmidly, Stangl, Van Den Bussche & Würsig (2014:21, https://www.biodiversitylibrary.org/page/57785977) (information at https://hesperomys.com/a/19157)
  3. Wilson, Lacher & Mittermeier (2016:801) (information at https://hesperomys.com/a/59599)
  4. Mammal Diversity Database (2018:ID #20476) (information at https://hesperomys.com/a/67336)
  5. Mammal Diversity Database (2019:ID #20476) (information at https://hesperomys.com/a/67337)
  6. Mammal Diversity Database (2024, https://www.mammaldiversity.org/taxon/1001795) (information at https://hesperomys.com/a/67250)
  7. International Union for the Conservation of Nature (2024, https://www.iucnredlist.org/species/20476/112212554) (information at https://hesperomys.com/a/67246)

Urocitellus townsendii townsendii

K. M. Helgen, Cole, L. E. Helgen, & D. E. Wilson, 2009

Family

Sciuridae

Root name

townsendii

Validity status

synonym

Nomenclatural status

name_combination

Authority page

298

Authority publication

Journal of Mammalogy

Name usages

Helgen, Cole, Helgen & Wilson (2009:298) (information at https://hesperomys.com/a/6407)

Urocitellus townsendi nancyae

D. E. Wilson, Lacher, & Mittermeier, 2016

Family

Sciuridae

Root name

nancyae

Validity status

synonym

Nomenclatural status

name_combination

Authority page

801

Authority publication

Barcelona

Name usages

Wilson, Lacher & Mittermeier (2016:801) (information at https://hesperomys.com/a/59599)

Urocitellus townsendi townsendii

D. E. Wilson, Lacher, & Mittermeier, 2016

Family

Sciuridae

Root name

townsendii

Validity status

synonym

Nomenclatural status

name_combination

Authority page

801

Authority publication

Barcelona

Name usages

Wilson, Lacher & Mittermeier (2016:801) (information at https://hesperomys.com/a/59599)

Urocitellus nancyae

Yensen, 2019

Family

Sciuridae

Root name

nancyae

Validity status

synonym

Nomenclatural status

name_combination

Authority page

1

Name usages

International Union for the Conservation of Nature (2024, https://www.iucnredlist.org/species/116989724/116989738) (information at https://hesperomys.com/a/67246)

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