Marsh, O. C. 1881. Principal characters of the American Jurassic dinosaurs, part IV. American Journal of Science, Series 3, 21:417–423.
McDonald, A. T. 2012a. The status of Dollodon and other basal iguanodonts (Dinosauria: Ornithischia) from the Lower Cretaceous of Europe. Cretaceous Research 33:1–6.
McDonald, A. T. 2012b. Phylogeny of basal iguanodonts (Dinosauria: Ornithischia): an update. PLoS ONE 7(5):e36745.
McDonald, A. T., P. M. Barrett, and S. D. Chapman. 2010. A new basal iguanodont (Dinosauria: Ornithischia) from the Wealden (Lower Cretaceous) of England. Zootaxa 2569:1–43.
McDonald, A. T., J. I. Kirkland, D. D. DeBlieux, S. K. Madsen, J. Cavin, A. R. C. Milner, and L. Panzarin. 2010. New basal iguanodonts from the Cedar Mountain Formation of Utah and the evolution of thumb-spiked dinosaurs. PLoS ONE 5(11):e14075.
Norman, D. B. 1980. On the ornithischian dinosaur Iguanodon bernissartensis from the Lower Cretaceous of Bernissart (Belgium). Mémoire de l’Institut royal des Sciences naturelles de Belgique 178:1–103.
Norman, D. B. 1986. On the anatomy of Iguanodon atherfieldensis (Ornithischia: Ornithopoda). Bulletin de l’Institut royal des Sciences naturelles de Belgique: Sciences de la Terre 56:281–372.
Norman, D. B. 1998. On Asian ornithopods (Dinosauria: Ornithischia). 3. A new species of iguanodontid dinosaur. Zoological Journal of the Linnean Society 122:291–348.
Norman, D. B. 2002. On Asian ornithopods (Dinosauria: Ornithischia). 4. Probactrosaurus Rozhdestvensky, 1966. Zoological Journal of the Linnean Society 136:113–144.
Norman, D. B. 2004. Basal Iguanodontia; pp. 413–437 in D. B. Weishampel, P. Dodson, and H. Osmólska (eds.), The Dinosauria, Second Edition. University of California Press, Berkeley, California.
Norman, D. B. 2010. A taxonomy of iguanodontians (Dinosauria: Ornithopoda) from the lower Wealden Group (Cretaceous: Valanginian) of southern England. Zootaxa 2489:47–66.
Norman, D. B. 2011a. Ornithopod dinosaurs; pp. 407–475 in D. J. Batten (ed.), English Wealden Fossils. Palaeontological Association Field Guides to Fossils Number 14. The Palaeontological Association, London.
Norman, D. B. 2011b. On the osteology of the lower Wealden (Valanginian) ornithopod Barilium dawsoni (Iguanodontia: Styracosterna). Special Papers in Palaeontology 86:165–194.
Norman, D. B. 2014. Iguanodonts from the Wealdean of England: do they contribute to the discussion concerning hadrosaur origins? chapter 2 in D. A. Eberth and D. C. Evans (eds.), Hadrosaurs. Indiana University Press, Bloomington, Indiana.
Ostrom, J. H. 1961. Cranial morphology of the hadrosaurian dinosaurs of North America. Bulletin of the American Museum of Natural History 122:33–186.
Ostrom, J. H. 1970. Stratigraphy and palaeontology of the Cloverly Formation (Lower Cretaceous) of the Bighorn Basin area, Wyoming and Montana. Bulletin of the Peabody Museum of Natural History, Yale University 35:1–234.
Owen, R. 1842. Report on British fossil reptiles, part II. Reports of the British Association for the Advancement of Science 11:60–204.
Paul, G. S. 2008. A revised taxonomy of the iguanodont dinosaur genera and species. Cretaceous Research 29:192–216.
Prieto-Márquez, A. 2010. Global phylogeny of hadrosauridae (Dinosauria: Ornithopoda) using parsimony and Bayesian methods. Zoological Journal of the Linnean Society 159:435–502.
Seeley, H. G. 1887. On the classification of the fossil animals commonly named Dinosauria. Proceedings of the Royal Society of London 43:165–171.
Sereno, P. C. 1986. Phylogeny of the bird-hipped dinosaurs (Order Ornithischia). National Geographic Research 2:234–256.
Sereno, P. C. 1997. The origin and evolution of dinosaurs. Annual Review of Earth and Planetary Sciences 25:435–489.
Sereno, P. C. 1998. A rationale for phylogenetic definitions, with application to the higher-level taxonomy of Dinosauria. Neues Jahrbuch für Geologie und Paläontologie, Abhandlungen 210:41–83.
Sereno, P. C. 2005. Stem Archosauria Version 1.0. TaxonSearch. Available at www.taxonsearch.org/Archive/stem-archosauria-1.0.php. Accessed November 16, 2010.
Sues, H.-D., and A. Averianov. 2009. A new basal hadrosauroid dinosaur from the Late Cretaceous of Uzbekistan and the early radiation of duckbilled dinosaurs. Proceedings of the Royal Society B 276:2549–2555.
Tang, F., Z.-X. Luo, Z.-H. Zhou, H.-L. You, J. A. Georgi, Z.-L. Tang, and X.-Z. Wang. 2001. Biostratigraphy and palaeoenvironment of the dinosaur-bearing sediments in Lower Cretaceous of Mazongshan area, Gansu Province, China. Cretaceous Research 22:115–129.
Taquet, P. 1976. Ostéologie d’Ouranosaurus nigeriensis, Iguanodontide du Crétacé Inférieur du Niger [Osteology of Ouranosaurus nigeriensis, Iguanodontid from the Lower Cretaceous of Niger]; pp. 57–168 in Géologie et Paléontologie du Gisement de Gadoufaoua (Aptien du Niger) [Geology and Paleontology of the Gadoufaoua deposit (Aptian of Niger)]. Available at www.paleoglot.org/files/Taquet_76.pdf.
Walker, J. D., and J. W. Geissman. 2009. 2009 GSA geologic time scale. GSA Today 19:60–61.
Wang, X., and X. Xu. 2001. A new iguanodontid (Jinzhousaurus yangi gen. et sp. nov.) from the Yixian Formation of western Liaoning China. Chinese Science Bulletin 46:1669–1672.
Wang, X.-L., R. Pan, R. J. Butler, and P. M. Barrett. 2010. The postcranial skeleton of the iguanodontian ornithopod Jinzhousaurus yangi from the Lower Cretaceous Yixian Formation of western Liaoning, China. Earth and Environmental Transactions of the Royal Society of Edinburgh 101:135–159.
Weishampel, D. B., and P. R. Bjork. 1989. The first indisputable remains of Iguanodon (Ornithischia: Ornithopoda) from North America: Iguanodon lakotaensis, sp. nov. Journal of Vertebrate Paleontology 9:56–66.
Weishampel, D. B., C.-M. Jianu, Z. Csiki, and D. B. Norman. 2003. Osteology and phylogeny of Zalmoxes (n. g.), an unusual euornithopod dinosaur from the latest Cretaceous of Romania. Journal of Systematic Palaeontology 1:65–123.
Wilson, J. A. 1999. A nomenclature for vertebral laminae in sauropods and other saurischian dinosaurs. Journal of Vertebrate Paleontology 19:639–653.
Wu, W., P. Godefroit, and D. Hu. 2010. Bolong yixianensis gen. et sp. nov.: a new iguanodontoid dinosaur from the Yixian Formation of western Liaoning, China. Geology and Resources 19:127–133.
Xu, X., X.-J. Zhao, J.-C. Lu, W.-B. Huang, Z.-Y. Li, and Z.-M. Dong. 2000. A new iguanodontian from Sangping Formation of Neixiang, Henan and its stratigraphical implications. Vertebrata PalAsiatica 38:176–191.
You, H.-L., and D.-Q. Li. 2009. A new basal hadrosauriform dinosaur (Ornithischia: Iguanodontia) from the Early Cretaceous of northwestern China. Canadian Journal of Earth Sciences 46:949–957.
You, H.-L., Q. Ji, and D.-Q. Li. 2005. Lanzhousaurus magnidens gen. et sp. nov. from Gansu Province, China: the largest-toothed herbivorous dinosaur in the world. Geological Bulletin of China 24:785–794.
You, H.-L., D.-Q. Li, and W.-C. Liu. 2011. A new hadrosauriform dinosaur from the Early Cretaceous of Gansu Province, China. Acta Geologica Sinica 85:51–57. [English Edition]
You, H.-L., Q. Ji, J.-L. Li, and Y.-X. Li. 2003. A new hadrosauroid dinosaur from the mid-Cretaceous of Liaoning, China. Acta Geologica Sinica 77:148–154. [English Edition]
You,