Phosphatherium_escuilieiCornwallius_sookensisProrastomus_sirenoidesAshokia_antiquaMiosiren_kockiEotheroides_aegyptiacumHalitherium_taulannenseHalitherium_schinziiHalitherium_christoliiUSNM_542417Metaxytherium_krahuletziMetaxytherium_mediumMetaxytherium_serresiiMetaxytherium_subapenninumMetaxytherium_crataegenseMetaxytherium_floridanumMetaxytherium_arctoditesDusisiren_jordaniHydrodamalis_cuestaeMetaxytherium_albifontanum_sp_novCaribosiren_turneriCrenatosiren_olseniNanosiren_sancheziNanosiren_garciaeDugong_dugonUSNM_540765Bhartisiren_indicaBharatisiren_kachchhensisDomningia_sodhaeKutchisiren_cylindricaDioplotherium_manigaultiDioplotherium_allisoniMPEG_dash_63VECOCHM_2491Xenosiren_yucatecaCorystosiren_vargueziRytiodus_healiRytiodus_capgrandiOsteologyMaximum ParsimonyBased on reanalysis of the original matrix.Velez-Juarbe_et_Domning_2014a