Babi biasa.
Pohon evolusinya terbagi atas lima dahan
1. Sus salvanius
2. Sus scrofa dan Sus bucculentus
3. Sus barbatus dan Sus verrucosus
4. Sus philippensis dan Sus cebifrons
5. Sus celebensis
Bacaan lanjut
Caldecott, J. O., R. A. Blouch, and A. A. Macdonald. 1993. The Bearded Pig (Sus barbatus). In Pigs, Peccaries and Hippos: Status Survey and Action Plan. Edited by W. L. R. Oliver. Gland, Switzerland: IUCN. pp. 136-145.
Schmidt, C. R. 1990. Pigs. In Grzimek's Encyclopedia of Mammals. Edited by S. P. Parker. New York: McGraw-Hill. Volume 5, pp. 20-47.
Wilson, D. E., and D. M. Reeder [editors]. 1993. Mammal Species of the World (Second Edition). Washington: Smithsonian Institution Press. Available online at http://nmnhwww.si.edu/msw/
Sumber gambar
http://animaldiversity.ummz.umich.edu/site/accounts/information/Sus_scrofa.html