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 Chlorocebus pygerythrus subsp. hilgerti Neumann 1902 Synonyms: Chlorocebus pygerythrus subsp. arenaria (Heller 1913) ; Chlorocebus pygerythrus subsp. callida ( Heller 1912 ) ; Chlorocebus pygerythrus subsp. contigua (Heller 1920) ; Chlorocebus pygerythrus subsp. ellenbecki (Neumann 1902) ; Chlorocebus pygerythrus subsp. johnstoni (Pocock 1907) ; Chlorocebus pygerythrus subsp. luteus (Elliot 1910) ; Chlorocebus pygerythrus subsp. rubellus (Elliot 1909) ; Chlorocebus pygerythrus subsp. tumbili (Heller 1913) .