ArchaeohyracidaeTrachytheriinaeEutypotherium_lehmannnitcheiEutypotherium_superansTypotheriopsis_chasicoensisTypotheriopsis_silveyraiPseudotypotherium_subinsignePseudotypotherium_exiguumPseudotypotherium_hystatumMesotherium_cristatumMesotherium_pachygnathumMesotherium_maendrumPlesiotypotherium_achirenseMicrotypotherium_choquecotenseCaraguatypotherium_munoziAltitypotherium_paucidensAltitypotherium_chucalensisEotypotherium_chicoPlesiotypotherium_minusOsteologyMaximum ParsimonyBased on reanalysis of the original matrix.Townsend_et_Croft_2010a