(Zygorhiza,(Agorophius,(Eudelphis,((Zygophyseter,Brygmophyseter),(Physeterula,(Diaphorocetus,(Placoziphius,Orycterocetus),(Thalassocetus,(Scaphokogia,(Praekogia,Kogia)))),(IRSNB_M_dot_1937,(Aulophyseter,Physeter)))))));