World of Dinosaurs/Genosaurs

The clade of dinosaurs that had the derived trait of chewing were called Genosaurs.

Genosaurs

The name means "Cheek Lizards".

• Genosaurs include almost all the most recognizable herbivores except for the long-necked sauropods.
  • Armored thyreophorans
  • Duck-billed ornithopods
  • Horned marginocephalians

For more information on these, see Dinosaur Clades of Interest.