W.B. Scott. The mammalian fauna of the White River Oligocene: Part IV. Artiodactyla. „Transactions of the American Philosophical Society”. Nw series. 28 (4), s. 443, 1940. DOI: 10.2307/1005504. (ang.).
M. Pickford. Morotochoerus from Uganda (17.5 Ma) and Kenyapotamus from Kenya (13-11 Ma): implications for hippopotamid origins. „Estudios Geológicos”. 67 (2), s. 525, 2012. DOI: 10.3989/egeol.40393.205. (ang.).