Orliac, M. Boisserie, J.-R. MacLatchy, L. Lihoreau, F. 2010 Early Miocene hippopotamids (Cetartiodactyla) constrain the phylogenetic and spatiotemporal settings of hippopotamid origin Proceedings of the National Academy of Sciences, USA 107 11871-11876 Gujaratia_pakistanensis Cebochoerus_lacustris Choeropotamus_parisiensis_et_lautricensis Khirtharia_dayi_et_inflata Gobiohyus_orientalis Kenyapotamus_ternani Kenyapotamus_coryndonae Hexaprotodon_garyam Hippopotamus_amphibius Choeropsis_liberiensis Morotochoerus_ugandensis Kulutherium_rusingensis Archaeopotamus_lothagamensis Archaeopotamus_harvardi Palaeochoerus_quercyi_et_typus Hyotherium_major Listriodon_lockharti Cynorca_sociale Perchoerus Entelodon_deguilhem_et_magnum Anthracotherium_magnum Elomeryx_borbonicu Bothriogenys_gorringei Libycosaurus_petrocchi Merycopotamus_nanus Siamotherium_krabiense Microbunodon_minimum Osteology Maximum Parsimony Based on reanalysis of the original matrix. Orliac_etal_2010b