Iguanodontia

Iguanodontia; Temporal range: Middle Jurassic–Late Cretaceous,
	Tenontosaurus skeletal mounts at the Sam Noble Oklahoma Museum of Natural History
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Clade:	Dinosauria
Clade:	†Ornithischia
Clade:	†Ornithopoda
Clade:	†Iguanodontia; Baur, 1891
Subgroups
	†Cumnoria; †Eucercosaurus; †Fostoria; †Napaisaurus; †Syngonosaurus; †Tenontosaurus; †Rhabdodontomorpha; †Dryomorpha †Owenodon; †Dryosauridae; †Ankylopollexia; ;

The Iguanodontia (the iguanodonts) are a clade of herbivorous dinosaurs that lived from the Middle Jurassic to Late Cretaceous. Some members include Camptosaurus, Dryosaurus, Iguanodon, Tenontosaurus, and the hadrosaurids or "duck-billed dinosaurs". Iguanodontians were one of the first groups of dinosaurs to be found. They are among the best known of the dinosaurs, and were among the most diverse and widespread herbivorous dinosaur groups of the Cretaceous period.

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