(Squalodon,((Nenga,(Tasmacetus,(Nazcacetus,(Xhosacetus,(Pterocetus,(Khoikhoicetus,(Indopacetus,(Africanacetus,Ihlengesi,((Mesoplodon_bidens,(Mesoplodon_slangkopi,Mesoplodon_grayi,(Mesoplodon_layardi,Mesoplodon_densirostris))),(Mesoplodon_mirus,Hyperoodon))))))),(Ziphirostrum,(Choneziphius,(Ziphius,(Izikoziphius_rossi,Izikoziphius_angustus))))))),(Microberardius,(Berardius,Archaeoziphius))));