(Monachus_monachus,(Erignathus_barbatus,((Enaliarctos_emlongi,Pteronarctos_goedertae,Callorhinus_ursinus,(Prototaria_primigenia,(Proneotherium_repenningi,(Neotherium_mirum,Kamtschatarctos_sinelnikovae,(Pseudotaria_muramotoi,(Archaeodobenus_akamatsui,Pelagiarctos_spp,Nanodobenus_arandai,Titanotaria_orangensis,Imagotaria_downsi,Pontolis_barroni,(Pontolis_kohnoi,cf_Pontolis_magnus,(Osodobenus_eodon,((Dusignathus_santacruzensis,(Gomphotaria_pugnax,Dusignathus_seftoni)),(Aivukus_cedrosensis,(Protodobenus_japonicus,(Ontocetus_emmonsi,(Valenictus_chulavistensis,Odobenus_rosmarus))))))))))))),(Desmatophoca_oregonensis,Allodesmus_gracilis))));