(Zygorhiza,(Agorophius,(Eudelphis,(Zygophyseter,Brygmophyseter,Placoziphius,Orycterocetus,Physeterula,Aulophyseter,Physeter,Livyatan,Acrophyseter,(Aprixokogia,(Thalassocetus,(Scaphokogia,(Praekogia,Kogia))))))));