(Zygorhiza,(Cynthiacetus,(Agorophius,(Eudelphis,((Aulophyseter_rionegrensis,((Zygophyseter,Brygmophyseter),(Livyatan,(Acrophyseter_deinodon,Acrophyseter_robustus,Acrophyseter_sp_MUSM2182)))),(Orycterocetus,(Physeterula,Idiorophus),(Diaphorocetus,(Placoziphius,(Idiophyseter,(Aulophyseter,(Physeter,(Aprixokogia,(Thalassocetus,(Scaphokogia,(Praekogia,Kogia)))))))))))))));