(Euparkeria,(Marasuchus,(Aetosaurs,(crocodyliform,(Saurosuchus,(Postosuchus,(Chatterjeea,(Arizonasaurus,Poposaurus)))))))); (Euparkeria,(Marasuchus,(Aetosaurs,(crocodyliform,(Saurosuchus,(Postosuchus,(Arizonasaurus,(Chatterjeea,Poposaurus))))))));