(Zygorhiza,(Squalodon,(Waipatia,(Argyrocetus_joaquinensis,((Chilcacetus_cavirhinus,Argyrocetus_bakersfieldensis),(Macrodelphinus,(Argyrocetus_patagonicus,((Eoplatanista,((Xiphiacetus,(Schizodelphis,(Eurhinodelphis,Ziphiodelphis))),(((Platanista,(Squalodelphis,(Huaridelphis,Notocetus))),(Zarachis,Pomatodelphis)),(Zarhinocetus,Allodelphis)))),((Squaloziphius,(Ninoziphius,((Tasmacetus,((Nazcacetus,(Indopacetus,(Mesoplodon,Hyperoodon))),(Ziphius,Berardius))),(Messapicetus,Ziphirostrum)))),(Pontoporia,(Kentriodon,Delphinus)))))))))));