Thomomys idahoensis

C. H. Merriam, 1901

Idaho Pocket Gopher

Taxonomy

Subclass: Theria
Infraclass: Placentalia
Magnorder: Boreoeutheria
Superorder: Euarchontoglires
Order: Rodentia
Suborder: Supramyomorpha
Infraorder: Castorimorphi
Superfamily: Geomyoidea
Family: Geomyidae
Subfamily: Geomyinae
Tribe: Thomomyini
Genus: Thomomys

Species status

Living
Found in the wild
Listed in MSW3 2005

Authority citation

Merriam, C.H. 1901-07-19. Descriptions of twenty-three new pocket gophers of the genus Thomomys. Proceedings of the Biological Society of Washington 14:107-117.

Authority publication link

https://www.biodiversitylibrary.org/page/2338938

Original name as described

Thomomys idahoensis

Other common names

Bitterroot Valley Pocket Gopher · Hamilton Pocket Gopher · Pygmy Pocket Gopher

Type material

USNM:MAMM:23482 (= USNM:MAMM:A30900)

Type kind

holotype

Type specimen URI

http://n2t.net/ark:/65665/3be58e7f0-8c24-44c0-a53a-55e898290d36

Type locality

"Birch Creek, Idaho." Restricted by J. L. Patton in 2005 to "USA, Idaho, Clark Co., Birch Creek (10 mi [16 km] S Nicholia [ Lemhi Co.], about 6, 400 ft. [1940 m])."

Biogeographic realm

Nearctic

Country distribution

United States

Subregion distribution

USA(ID, MT, UT, WY)

IUCN Red List status

Least Concern

Species Permalink

https://mammaldiversity.org/taxon/1001881

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.

Total: 8 names and synonyms.

Thomomys idahoensis

C. H. Merriam, 1901

Family

Geomyidae

Root name

idahoensis

Validity status

species

Nomenclatural status

available

Type

USNM:MAMM:23482 (= USNM:MAMM:A30900)

Type kind

holotype

Original type locality

Birch Creek, Idaho.

Type locality

United States: Idaho: Lemhi County, Idaho.

Type specimen URI

http://n2t.net/ark:/65665/3be58e7f0-8c24-44c0-a53a-55e898290d36

Authority page

114

Authority page URI

https://www.biodiversitylibrary.org/page/2338938

Authority publication

Proceedings of the Biological Society of Washington

Name usages

Trouessart (1904:473, https://www.biodiversitylibrary.org/page/53423354) (information at https://hesperomys.com/a/59289)
Honacki, Kinman & Koeppl (1982:381) (information at https://hesperomys.com/a/63071)
Corbet & Hill (1991:147) (information at https://hesperomys.com/a/63070)
Patton (1993:474) (information at https://hesperomys.com/a/69021)
Patton (2005) (information at https://hesperomys.com/a/8529)
Bradley, Ammerman, Baker, Bradley, Cook, Dowler, Jones, Schmidly, Stangl, Van Den Bussche & Würsig (2014:19, https://www.biodiversitylibrary.org/page/57785979) (information at https://hesperomys.com/a/19157)
Wilson, Lacher & Mittermeier (2016:237) (information at https://hesperomys.com/a/59599)
Mammal Diversity Database (2018:ID #21809) (information at https://hesperomys.com/a/67336)
Mammal Diversity Database (2019:ID #21809) (information at https://hesperomys.com/a/67337)
Mammal Diversity Database (2024, https://www.mammaldiversity.org/taxon/1001881) (information at https://hesperomys.com/a/67250)
International Union for the Conservation of Nature (2024, https://www.iucnredlist.org/species/21809/22215570) (information at https://hesperomys.com/a/67246)
Álvarez-Castañeda & Segura-Trujillo (2025:61) (information at https://hesperomys.com/a/68853)

Thomomys pygmaeus

C. H. Merriam, 1901

Family

Geomyidae

Root name

pygmaeus

Validity status

synonym

Nomenclatural status

available

Type

USNM:MAMM:55271

Type kind

holotype

Type locality

United States: Idaho: Bear Lake County, Idaho.

Type specimen URI

http://n2t.net/ark:/65665/3d4322fde-264e-4511-bab5-6f47d602dc4e

Authority page

115

Authority page URI

https://www.biodiversitylibrary.org/page/2338937

Authority publication

Proceedings of the Biological Society of Washington

Name usages

Trouessart (1904:473, https://www.biodiversitylibrary.org/page/53423354) (information at https://hesperomys.com/a/59289)

Thomomys talpoides confinis

W. B. Davis, 1937

Family

Geomyidae

Root name

confinis

Validity status

synonym

Nomenclatural status

available

Type

MVZ:Mamm:77301

Type kind

holotype

Original type locality

Gird Creek, near Hamilton, Ravalli County, Montana

Type locality

United States: Montana: Ravalli County, Montana: 46°14′1″N, 114°5′46″W.

Type specimen URI

https://arctos.database.museum/guid/MVZ:Mamm:77301

Authority page

25

Authority publication

The Murrelet

Thomomys idahoensis confinus:

C. S. Thaeler, 1977

Family

Geomyidae

Root name

confinus

Validity status

synonym

Nomenclatural status

incorrectsubsequentspelling

Authority page

50

Authority publication

The Murrelet

Name usages

Patton (2005) (information at https://hesperomys.com/a/8529)
Wilson, Lacher & Mittermeier (2016:237) (information at https://hesperomys.com/a/59599)

Thomomys idahoensis idahoensis:

J. L. Patton, 2005

Family

Geomyidae

Root name

idahoensis

Validity status

synonym

Nomenclatural status

name_combination

Authority publication

Baltimore

Name usages

Patton (2005) (information at https://hesperomys.com/a/8529)
Álvarez-Castañeda & Segura-Trujillo (2025:61) (information at https://hesperomys.com/a/68853)

Thomomys idahoensis pygmaeus:

J. L. Patton, 2005

Family

Geomyidae

Root name

pygmaeus

Validity status

synonym

Nomenclatural status

name_combination

Authority publication

Baltimore

Name usages

Patton (2005) (information at https://hesperomys.com/a/8529)
Wilson, Lacher & Mittermeier (2016:237) (information at https://hesperomys.com/a/59599)
Álvarez-Castañeda & Segura-Trujillo (2025:61) (information at https://hesperomys.com/a/68853)

Thomomys talpoides pygmaeus:

O'Brien, Menninger, & W. G. Nash, 2006

Family

Geomyidae

Root name

pygmaeus

Validity status

synonym

Nomenclatural status

name_combination

Authority page

185

Authority publication

Hoboken

Name usages

O'Brien, Menninger & Nash (2006:185) (information at https://hesperomys.com/a/7321)

T. i. confinis:

Álvarez-Castañeda & Segura-Trujillo, 2025

Family

Geomyidae

Root name

confinis

Validity status

synonym

Nomenclatural status

name_combination

Authority page

61

Authority publication

Therya

Name usages

Álvarez-Castañeda & Segura-Trujillo (2025:61) (information at https://hesperomys.com/a/68853)

Publications

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