Yohannes Haile-Selassie and Scott W. Simpson (2013). «A new species of Kolpochoerus (Mammalia: Suidae) from the Pliocene of Central Afar, Ethiopia: Its Taxonomy and Phylogenetic Relationships». Journal of Mammalian Evolution20 (2): 115-127. doi:10.1007/s10914-012-9207-0.
Antoine Souron, Jean-Renaud Boisserie and Tim D. White (2013). «A new species of Kolpochoerus from Ethiopia». Acta Palaeontologica Polonica. in press. doi:10.4202/app.2012.0083.