Iguanodontidae

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Iguanodontidae
Temporal range: Early Cretaceous, 140–110 Ma
Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Clade: Dinosauria
Order: Ornithischia
Suborder: Ornithopoda
Superfamily: Iguanodontoidea
Family: Iguanodontidae
Huxley, 1870
Subgroups

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Iguanodontidae is a family of iguanodontians belonging to Styracosterna, a derived clade of the iguanodont group Ankylopollexia. In the past, Iguanodontidae became a repository for any ornithopod that did not belong in either Camptosauridae, Hadrosauridae or Hypsilophodontidae. However, a number of studies demonstrated that Iguanodontidae as traditionally defined is paraphyletic with respect to Hadrosauridae.[1][2] Nevertheless, a handful of recent cladistic analyses have found support for a monophyletic Iguanodontidae consisting of a handful of taxa, including Barilium, Bolong, Iguanodon, Jinzhousaurus, Mantellisaurus, Ouranosaurus, and Proa.[3][4]

References

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  1. Sereno PC. 1986. Phylogeny of the bird-hipped dinosaurs. National Geographic Research 2: 234–256.
  2. Norman DB. 2004. Basal Iguanodontia. In: Weishampel DB, Dodson P, Osmolska H, eds. The Dinosauria. Berkeley: University of California, 413–437.
  3. Godefroit P, Escuillié F, Bolotsky YL, Lauters P. 2012. A new basal hadrosauroid dinosaur from the Upper Cretaceous of Kazakhstan. In: Godefroit P, ed. Bernissart dinosaurs and Early Cretaceous terrestrial ecosystems. Bloomington & Indianapolis: Indiana University Press, 335–358.
  4. Norman, D. B. (2015), On the history, osteology, and systematic position of the Wealden (Hastings group) dinosaur Hypselospinus fittoni (Iguanodontia: Styracosterna). Zoological Journal of the Linnean Society, 173: 92–189. doi: 10.1111/zoj.12193