Thomomys mazama Merriam, 1897

Thomomys mazama subsp. couchi Goldman, 1939

Thomomys mazama subsp. glacialis Dalquest & Scheffer, 1942

Thomomys mazama subsp. helleri Elliot, 1903

Thomomys mazama subsp. hesperus Merriam, 1901

Thomomys mazama subsp. louiei Gardner, 1950

Thomomys mazama subsp. mazama Merriam, 1897

Thomomys mazama subsp. melanops Merriam, 1899

Thomomys mazama subsp. nasicus Merriam, 1897

Thomomys mazama subsp. niger Merriam, 1901

Thomomys mazama subsp. oregonus Merriam, 1901

Thomomys mazama subsp. premaxillaris Grinnell, 1914

Thomomys mazama subsp. pugetensis Dalquest & Scheffer, 1942

Thomomys mazama subsp. tacomensis Taylor, 1919

Thomomys mazama subsp. tumuli Dalquest & Scheffer, 1942