(Phosphatherium_escuiliei,(Cornwallius_sookensis,(Prorastomus_sirenoides,(Ashokia_antiqua,(Miosiren_kocki,Eotheroides_aegyptiacum,Halitherium_taulannense,Halitherium_schinzii,Halitherium_christolii,USNM_542417,Metaxytherium_krahuletzi,Metaxytherium_medium,Metaxytherium_serresii,Metaxytherium_subapenninum,Metaxytherium_crataegense,Metaxytherium_floridanum,Metaxytherium_arctodites,Metaxytherium_albifontanum_sp_nov,Caribosiren_turneri,Crenatosiren_olseni,(Dusisiren_jordani,Hydrodamalis_cuestae),(Nanosiren_sanchezi,Nanosiren_garciae),(Dugong_dugon,USNM_540765,Bhartisiren_indica,Bharatisiren_kachchhensis,Domningia_sodhae,Kutchisiren_cylindrica,Dioplotherium_manigaulti,MPEG_dash_63V,Xenosiren_yucateca,Corystosiren_varguezi,Rytiodus_heali,Rytiodus_capgrandi,(Dioplotherium_allisoni,ECOCHM_2491)))))));