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