Subspecies and Distribution. T.t.townsendBachman,1839—SnakeRiverdrainageinIdahoandECOregon,USA. T. t. nevadensis Merriam, 1897 — Humboldt and Quinn River drainages in Nevada and SE Oregon, and Honey Lake Valley in N California, USA. in Geomyidae

Subspecies and Distribution. T.t.townsendBachman,1839—SnakeRiverdrainageinIdahoandECOregon,USA. T. t. nevadensis Merriam, 1897 — Humboldt and Quinn River drainages in Nevada and SE Oregon, and Honey Lake Valley in N California, USA.Published as part of Don E. Wilson, Thomas E. Lacher, Jr & Russell A. Mittermeier, 2016, Geomyidae, pp. 234-269 in Handbook of the Mammals of the World – Volume 6 Lagomorphs and Rodents I, Barcelona :Lynx Edicions on page 239, DOI: 10.5281/zenodo.660380