Order Primates 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 1 111 184 book chapter 0-8018-8221-4 10.5281/zenodo.7316519 Papio ursinus subsp. griseipes Pocock 1911 Synonyms: Papio ursinus subsp. chobiensis Roberts 1932 ; Papio ursinus subsp. ngamiensis Roberts 1932 ; Papio ursinus subsp. transvaalensis ( Zukowsky 1927 ) .