Enaliarctos_emlongiPteronarctos_goedertaeCallorhinus_ursinusDesmatophoca_oregonensisAllodesmus_gracilisErignathus_barbatusMonachus_monachusPrototaria_primigeniaProneotherium_repenningiNeotherium_mirumKamtschatarctos_sinelnikovaePseudotaria_muramotoiImagotaria_downsiPelagiarctos_spPontolis_magnusDusignathus_santacruzensisDusignathus_seftoniGomphotaria_pugnaxAivukus_cedrosensisProtodobenus_japonicusOntocetus_emmonsiValenictus_chulavistensisOdobenus_rosmarusOsteologyMaximum ParsimonyBased on reanalysis of the original matrix.Boessenecker_et_Churchill_2013ab