Sciurus griseus

G. Ord, 1818

Western Gray Squirrel

Taxonomy

Subclass : Theria
Infraclass : Placentalia
Magnorder : Boreoeutheria
Superorder : Euarchontoglires
Order : Rodentia
Suborder : Sciuromorpha
Family : Sciuridae
Subfamily : Sciurinae
Tribe : Sciurini
Genus : Sciurus
Subgenus : Hesperosciurus

Species status

Living
Found in the wild
Listed in MSW3 2005

Authority citation

Ord, G. 1818. Sur plusieurs Animaux de l'Amérique septentrionale, et entre autres sur le _Rupicapra americana_, l'_Antilope americana_, le _Cervus major_ ou Wapiti, etc. Journal de Physique, de Chimie, d'Histoire naturelle et des Arts 87:146-155.

Authority publication link

https://www.biodiversitylibrary.org/page/6173608

Original name as described

Sciurus griseus

Other common names

Silver Gray Squirrel

Type material

lost (number not known)

Type kind

nonexistent

Type locality

"The Dalles of the Columbia [River]," Wasco Co., Oregon, USA.

Biogeographic realm

Nearctic

Country distribution

United States · Mexico

Subregion distribution

USA(OR,WA,CA,NV)

Taxonomy notes

under a new proposed taxonomic arrangement for Sciurini, S. griseus (along with S. aberti) would be moved to the genus Hesperosciurus; this arrangement is tentatively not followed here pending further investigation

Taxonomy notes citation

Patton, J. L., Pardiñas, U. F., & D'Elía, G. (2015). Mammals of South America, Volume 2: Rodents (Vol. 2). University of Chicago Press. · de Abreu-Jr, E. F., Pavan, S. E., Tsuchiya, M. T., Wilson, D. E., Percequillo, A. R., & Maldonado, J. E. (2020). Museomics of tree squirrels: A dense taxon sampling of mitogenomes reveals hidden diversity, phenotypic convergence, and the need of a taxonomic overhaul. BMC Evolutionary Biology, 20, 1-77. · de Abreu-Jr, E. F., Pavan, S. E., Tsuchiya, M. T., Wilson, D. E., Percequillo, A. R., & Maldonado, J. E. (2020). Spatiotemporal diversification of tree squirrels: is the South American invasion and speciation really that recent and fast?. Frontiers in Ecology and Evolution, 8, 230.

IUCN Red List status

Least Concern

Species Permalink

https://www.mammaldiversity.org/taxon/1001686

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.

Sciurus Heermanni

LeConte, 1852

Family

Sciuridae

Root name

heermanni

Validity status

synonym

Nomenclatural status

available

Type

ANSP 291

Type kind

holotype

Authority page

149

Authority page URI

https://www.biodiversitylibrary.org/page/1779685

Authority publication

Proceedings of the Academy of Natural Sciences of Philadelphia

Name usages

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

Sciurus griseus

G. Ord, 1818

Family

Sciuridae

Root name

griseus

Validity status

species

Nomenclatural status

available

Type

lost (number not known)

Type kind

nonexistent

Authority page

152

Authority page URI

https://www.biodiversitylibrary.org/page/6173608

Authority publication

Journal de Physique, de Chimie, d'Histoire naturelle et des Arts

Name usages

  1. Bailey (1936:117, https://www.biodiversitylibrary.org/page/25806022) (information at https://hesperomys.com/a/35313)
  2. Moore (1959:203) (information at https://hesperomys.com/a/6420)
  3. Corbet & Hill (1980:129) (information at https://hesperomys.com/a/63069)
  4. Honacki, Kinman & Koeppl (1982:364) (information at https://hesperomys.com/a/63071)
  5. Thorington & Hoffmann (2005) (information at https://hesperomys.com/a/8554)
  6. Wilson, Lacher & Mittermeier (2016:744) (information at https://hesperomys.com/a/59599)
  7. Mammal Diversity Database (2018:ID #20011) (information at https://hesperomys.com/a/67336)
  8. Mammal Diversity Database (2019:ID #20011) (information at https://hesperomys.com/a/67337)
  9. Mammal Diversity Database (2024, https://www.mammaldiversity.org/taxon/1001686) (information at https://hesperomys.com/a/67250)
  10. International Union for the Conservation of Nature (2024, https://www.iucnredlist.org/species/20011/115154716) (information at https://hesperomys.com/a/67246)

Sciurus griseus fossilis

L. Kellogg, 1912

Family

Sciuridae

Root name

fossilis

Validity status

synonym

Nomenclatural status

preoccupied

Type

UCMP:V:19506

Type kind

holotype

Type specimen URI

https://ucmpdb.berkeley.edu/cgi/ucmp_query2?spec_id=V19506&one=T

Authority page

156

Authority publication

University of California Publications, Bulletin of the Department of Geology

Sciurus fossor anthonyi

Mearns, 1897

Family

Sciuridae

Root name

anthonyi

Validity status

synonym

Nomenclatural status

available

Type

USNM:MAMM:60928

Type kind

holotype

Type specimen URI

http://n2t.net/ark:/65665/395ad4e42-16bc-4670-93f5-931297b071f6

Authority page

501

Authority page URI

https://www.biodiversitylibrary.org/page/15838316

Authority publication

Proceedings of the United States National Museum

Sciurus griseus griseus

V. O. Bailey, 1936

Family

Sciuridae

Root name

griseus

Validity status

synonym

Nomenclatural status

name_combination

Authority page

117

Authority page URI

https://www.biodiversitylibrary.org/page/25806022

Authority publication

North American Fauna

Name usages

  1. Bailey (1936:117, https://www.biodiversitylibrary.org/page/25806022) (information at https://hesperomys.com/a/35313)
  2. Thorington & Hoffmann (2005) (information at https://hesperomys.com/a/8554)
  3. Wilson, Lacher & Mittermeier (2016:744) (information at https://hesperomys.com/a/59599)

Sciurus griseus anthonyi

Thorington & R. S. Hoffmann, 2005

Family

Sciuridae

Root name

anthonyi

Validity status

synonym

Nomenclatural status

name_combination

Authority publication

Baltimore

Name usages

  1. Thorington & Hoffmann (2005) (information at https://hesperomys.com/a/8554)
  2. Wilson, Lacher & Mittermeier (2016:744) (information at https://hesperomys.com/a/59599)

Sciurus griseus nigripes

Thorington & R. S. Hoffmann, 2005

Family

Sciuridae

Root name

nigripes

Validity status

synonym

Nomenclatural status

name_combination

Authority publication

Baltimore

Name usages

  1. Thorington & Hoffmann (2005) (information at https://hesperomys.com/a/8554)
  2. Wilson, Lacher & Mittermeier (2016:744) (information at https://hesperomys.com/a/59599)

Sciurus leporinus

Audubon & Bachman, 1841

Family

Sciuridae

Root name

leporinus

Validity status

synonym

Nomenclatural status

available

Authority page

101

Authority page URI

https://www.biodiversitylibrary.org/page/1779203

Authority publication

Proceedings of the Academy of Natural Sciences of Philadelphia

Name usages

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

Sciurus fossor

T. R. Peale, 1849

Family

Sciuridae

Root name

fossor

Validity status

synonym

Nomenclatural status

available

Authority page

55

Authority publication

Philadelphia

Name usages

  1. True (1885:595, https://www.biodiversitylibrary.org/page/7306389) (information at https://hesperomys.com/a/35039)
  2. Thorington & Hoffmann (2005) (information at https://hesperomys.com/a/8554)

Sciurus fossor nigripes

W. E. Bryant, 1889

Family

Sciuridae

Root name

nigripes

Validity status

synonym

Nomenclatural status

available

Authority page

25

Authority page URI

https://www.biodiversitylibrary.org/page/7133488

Authority publication

Proceedings of the California Academy of Sciences

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