(Phosphatherium_escuillei,(Elephantidae,(Prorastomus_sirenoides,(Pezosiren_portelli,((Sobrarbesiren_cardieli,(Eotheroides_aegyptiacum,((((((Anomotherium_langewieschei,Miosiren_kocki),(Trichechus_inunguis,(Trichechus_manatus,Trichechus_senegalensis))),(Kaupitherium_gruelli,(Priscosiren_atlantica,(Caribosiren_turneri,Metaxytherium_albifontanum,((Bharatisiren_indica,(Corystosiren_varguezi,Rytiodus_capgrandi,Rytiodus_heali,(Bharatisiren_kachchhensis,(Domningia_sodhae,Dugong_dugon)),((Dioplotherium_manigaulti,(Dioplotherium_allisoni,Xenosiren_yucateca)),(ECOCHM_2491,Kutchisiren_cylindrica)))),(Crenatosiren_olseni,(Nanosiren_garciae,Nanosiren_sanchezi))),(Metaxytherium_krahuletzi,(Metaxytherium_crataegense,Metaxytherium_floridanum,Metaxytherium_medium,Metaxytherium_serresii,(Metaxytherium_arctodites,(Dusisiren_jordani,(Hydrodamalis_cuestae,Hydrodamalis_gigas))))))))),(Eotheroides_lambondrano,Eotheroides_sandersi,Eotheroides_clavigerum)),(Halitherium_taulannense,Prototherium_intermedium)),(Prototherium_veronense,Prototherium_ausetanum)))),(Ashokia_antiqua,(Protosiren_fraasi,(Protosiren_smithae,Libysiren_sickenbergi))))))));