メソニクス目
1007/s10914-005-4963-8.
↑ 出典:Boisserie, J.−R., Lihoreau, F., and Brunet, M. (2005). "The position of Hippopotamidae within Cetartiodactyla". Proceedings of the National Academy of Sciences 102: 1537–1541. doi:10.1073/pnas.0409518102. PMID 15677331.
↑ 出典:Gatesy, J., Hayashi, C., Cronin, A., and Arctander, P. (1996). "Evidence from milk casein genes that cetaceans are close relatives of hippopotamid artiodactyls". Molecular Biology and Evolution 13: 954–963.
↑ 脚注:アントラコテリウム科 - 半水棲の偶蹄類で、カバの祖先。
↑ 出典:Hall, Jamie (2007). "The Cryptid Zoo: Mesonychids in Cryptozoology".