Order Artiodactyla 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 1 637 722 book chapter 0-8018-8221-4 10.5281/zenodo.7316519 Phacochoerus africanus subsp. aeliani Cretzschmar 1828 Synonyms: Phacochoerus africanus subsp. barkeri W. Rothschild 1920 ; Phacochoerus africanus subsp. haroia (Hemprich and Ehrenberg 1832) ; Phacochoerus africanus subsp. sclateri Gray 1870 .