Thomomys (Megascapheus) bottae subsp. nigricans Rhoads 1895

Synonyms: Thomomys (Megascapheus) bottae subsp. affinis Huey 1945; Thomomys (Megascapheus) bottae subsp. cabezonae Merriam 1901; Thomomys (Megascapheus) bottae subsp. jacinteus Grinnell and Swarth 1914; Thomomys (Megascapheus) bottae subsp. puertae Grinnell 1914 .