The Tacoma pocket gopher (''Thomomys mazama tacomensis'') was a

subspecies In biological classification, subspecies is a rank below species, used for populations that live in different areas and vary in size, shape, or other physical characteristics (morphology), but that can successfully interbreed. Not all species ...

of the

Mazama pocket gopher The Mazama pocket gopher (''Thomomys mazama'') is a smooth-toothed pocket gopher restricted to the Pacific Northwest. The herbivorous species ranges from coastal Washington, through Oregon, and into north-central California. Four subspecies of th ...

that was restricted to a few isolated populations in the southern

Puget Sound Puget Sound ( ) is a sound of the Pacific Northwest, an inlet of the Pacific Ocean, and part of the Salish Sea. It is located along the northwestern coast of the U.S. state of Washington. It is a complex estuarine system of interconnected ma ...

area and on the

Olympic Peninsula The Olympic Peninsula is a large arm of land in western Washington that lies across Puget Sound from Seattle, and contains Olympic National Park. It is bounded on the west by the Pacific Ocean, the north by the Strait of Juan de Fuca, and the ...

Washington Washington commonly refers to: * Washington (state), United States * Washington, D.C., the capital of the United States ** A metonym for the federal government of the United States ** Washington metropolitan area, the metropolitan area centered o ...

. The animal became extinct in 1970.

References

Tacoma pocket gopher Tacoma pocket gopher Tacoma pocket gopher Fauna of the Northwestern United States Mammals of the United States Tacoma pocket gopher Rodents of North America Tacoma pocket gopher Tacoma pocket gopher {{Geomyidae-stub