(Protoceratops,(Zuniceratops,((Avaceratops,((Einiosaurus,(Achelousaurus,Pachyrhinosaurus)),(Centrosaurus,Styracosaurus))),(Tatankaceratops,(((Anchiceratops,Arrhinoceratops),(Triceratops,(Diceratops,Torosaurus))),(Chasmosaurus,Pentaceratops))))));