(Iguanodon_bernissartensis,(Bactrosaurus,(Corythosaurus,((Acristavus,(Maiasaura,(Brachylophosaurus_canadensis,Probrachylophosaurus_bergei))),(Edmontosaurus_spp,(Kerberosaurus,Prosaurolophus_spp,Saurolophus_spp,(Gryposaurus_spp,Kritosaurus)))))));