Otospermophilus atricapillus, Taxa Only, Exact Match: 2 Treatments

Spermophilus (Otospermophilus) atricapillus			Wilson, Don E. & Reeder, DeeAnn, 2005, Order Rodentia - Family Sciuridae, Mammal Species of the World: a Taxonomic and Geographic Reference (3 rd Edition), Volume 2, Baltimore: The Johns Hopkins University Press, pp. 754-818 : 804	804
Otospermophilus atricapillus			Don E. Wilson, Thomas E. Lacher, Jr & Russell A. Mittermeier, 2016, Sciuridae, Handbook of the Mammals of the World – Volume 6 Lagomorphs and Rodents I, Barcelona: Lynx Edicions, pp. 648-837 : 807	807