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 Sus scrofa subsp. algira Loche 1867 Synonyms: Sus scrofa subsp. barbarus Sclater 1860 ; Sus scrofa subsp. sahariensis Heim de Balzac 1937 .