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