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Classification follows Sereno 1999 and Carpenter 2001.

Containing group: Dinosauria

Other Names for Ornithischia

• ornithischians
• Bird-hipped plant-eating dinosaurs

References

Brett-Surman, M. K. 1979. Phylogeny and palaeobiogeography of hadrosaurian dinosaurs. Nature 277:560–562.

Carpenter, K. 2001. Phylogenetic Analysis of the Ankylosauria. Pp. 455-483 in K. Carpenter (ed.). The Armored Dinosaurs. Indiana University Press, Bloomington.

Chinnery, B. J. and D. B. Weishampel. 1998. Montanoceratops cerorhynchus (Dinosauria : Ceratopsia) and relationships among basal neoceratopsians. Journal of Vertebrate Paleontology 18:569-585.

Norman, D. B. 1984. On the cranial morphology and evolution of ornithopod dinosaurs. Symposia of the Zoological Society of London 52: 521–547.

Norman, D. B. and D. B. Weishampel. 1985. Ornithopod feeding mechanisms: their bearing on the evolution of herbivory. American Naturalist 126:151–164.

Sereno, P. C. 1986. Phylogeny of the bird-hipped dinosaurs (Order Ornithischia). National Geographic Research 2:234-256.

Sereno, P. C. 1999. The evolution of dinosaurs. Science 284:2137-2147.

Weishampel, D. B. and R. E. Heinrich. 1992. Systematics of Hypsilophodontidae and basal Iguanodontia (Dinosauria: Ornithopoda). Historical Biology 6:159–184.

Weishampel, D. B., D. B. Norman, and D. Grigorescu. 1993. Telmatosaurus transsylvanicus from the Late Cretaceous of Romania: the most basal hadrosaurid dinosaur. Palaeontology 36:361–385.

Information on the Internet

• Bibliography of Hadrosaurian Dinosaurs. Compiled by M.K. Brett-Surman.
• The Maiasaur Project. Royal Ontario Museum.
• Hadrosaurus foulkii Home Page. Historical information about the 1858 discovery of the first nearly-complete skeleton of a dinosaur in Haddonfield, New Jersey.
• The Torosaurus Home Page. Andy Farke provides information about this enigmatic ceratopsian.
• Information about the discovery of a fossilized heart in a specimen of the hypsilophodontid ornithopod Thescelosaurus:
  • Willo, the Dinosaur with a Heart. North Carolina State University.
  • Dinosaur Has Fossilized Heart Of Warm-Blooded Animal. Daily University Science News.
  • Warm Blooded?. ABC News Science.
• Information about sound production in the lambeosaurine ornithopod Parasaurolophus:
  • Parasaurolophus Sound Home Page. New Mexico Museum of Natural History and Science.
  • Dino-Roar: A computer simulation gives voice to a long-extinct dinosaur. Scientific American.
  • Scientists Bring Dinosaur's Roar to Life. Environmental News Network.