Order Rodentia - Family Heteromyidae Author Wilson, Don E. Author Reeder, DeeAnn text 2005 The Johns Hopkins University Press Baltimore Mammal Species of the World: a Taxonomic and Geographic Reference (3 rd Edition), Volume 2 844 858 book chapter 0-8018-8221-4 10.5281/zenodo.7316535 Microdipodops megacephalus subsp. megacephalus Merriam 1891 Microdipodops megacephalus subsp. megacephalus Merriam 1891 , N. Amer. Fauna, 5: 116 . Type Locality: USA , Nevada , Elko Co., Halleck.