OUTGROUP

Ouranosaurus

Iguanodon

Probactrosaurus

Telmatosaurus

Gilmoreosaurus

Eolambia

Bactrosaurus

Parasaurolophus

Lambeosaurus

Hypacrosaurus

Corythosaurus

Saurolophus

Prosaurolophus

Anatotitan

Edmontosaurus

Gryposaurus

Brachylophosaurus

Maiasaura