Ornithopoda

Ornithopods were the dominant herbivores in the Northern hemisphere during the Cretaceous. They are now exclusivly represented by the incredibly diverse hadrosaurs except for in Australia where more basal forms still exist.

Australiaornithopodae (Basal Australian Ornithopods outside igaunodontia. May or may not be polyphletic)

Saurolophinae (Hadrosaurs)