bipedal and relatively small-sized, while advanced members of the subgroup Iguanodontia became quadrupedal and developed large body size. Their major evolutionary...

around the same time have instead found these latter taxa to be within Iguanodontia. Hypsilophodontidae was named originally in 1882 by Louis Dollo, as a...

while the latter typically includes Hypsilophodon and the more derived Iguanodontia. Neornithischia was first named by Cooper in 1985 and defined as "all...

to define Dinosauria. The genus Iguanodon belongs to the larger group Iguanodontia, along with the duck-billed hadrosaurs. The taxonomy of this genus continues...

E. Poole recovered a large Hypsilophodontidae as the sister taxon of Iguanodontia, which consisted of several "traditional" hypsilophodontids, as well...

Heterodontosauridae Euornithopoda Hypsilophodon foxii Thescelosaurus neglectus Iguanodontia (Edmontosaurus > Thescelosaurus) Tenontosaurus tilletti Rhabdodontidae...

However, Paul Sereno (1986) found that Rhabdodon and Mochlodon were within Iguanodontia. The ICZN (1988) resolved this complication, selecting the ornithopod...

numerous teeth) †Hypsilophodontidae (small European neornithischians) †Iguanodontia ("iguana teeth"; advanced ornithopods) †Rhabdodontomorpha (with distinctive...

family composed of a variety of animals more or less closely related to Iguanodontia (paraphyletic), with various small clades of closely related taxa. "Hypsilophodontidae"...

al. (2023) recovered Iani as a basal rhabdodontomorph member of the Iguanodontia. They interpreted it as a transitional taxon between Tenontosaurus and...

ankylopollexian from East Asia, shedding light on early biogeographic history of Iguanodontia". Science Bulletin. 63 (9): 556–563. Bibcode:2018SciBu..63..556X. doi:10...

to Mateus and Antunes (2001), Draconyx loureiroi is a member of the Iguanodontia, more specifically the Camptosauridae, based on the maxillary teeth,...

Press. pp. 510–533. ISBN 0-520-06727-4. Norman, David B. (2004). "Basal Iguanodontia". In Weishampel, D.B.; Dodson, P.; Osmólska H. (eds.). The Dinosauria...

Camarasaurus lentus) Ornithischia Stegosauria Stegosaurus ungulatus Ornithopoda Iguanodontia Camptosaurus aphanoecetes (h) Dryosauridae Dryosaurus elderae (h) (h)...

as the sister taxon to the clade containing Thescelosaurus and the Iguanodontia. Ampelognathus was thus likely more closely related to iguanodontians...

Iguanodontia...

how exactly Lurdusaurus relates with other iguanodonts. Phylogeny of Iguanodontia according to Galton, 2009 (left) and You and colleagues, 2005 (right)...

(2010). "A juvenile skull of Dysalotosaurus lettowvorbecki (Ornithischia: Iguanodontia), and implications for cranial ontogeny, phylogeny, and taxonomy in ornithopod...

(ed.). "Bone histology in Dysalotosaurus lettowvorbecki (Ornithischia: Iguanodontia)--variation, growth, and implications". PLOS ONE. 7 (1): e29958. Bibcode:2012PLoSO...

autapomorphies, unique derived characters, in this case relative to the Iguanodontia as a whole. The maxillary teeth (of the upper jaws) have a main ridge...

Iguanodontia...

have been impossible. Fukuisaurus was assigned by its describers to Iguanodontia, although the presence of a posterolateral process of the sternum indicated...

(2010). "A juvenile skull of Dysalotosaurus lettowvorbecki (Ornithischia: Iguanodontia), and implications for cranial ontogeny, phylogeny, and taxonomy in ornithopod...

2014). "An early juvenile specimen of Bolong yixianensis (Ornithopoda: Iguanodontia) from the Lower Cretaceous of Ningcheng County, Nei Mongol, China". Historical...

this to be an unnatural grouping, and Rhabdodon to be a basal member of Iguanodontia. It was large amongst its relatives, measuring 4 m (13 ft) long and weighing...

Iguanodontia...

Iguanodontia...

originally assigned Ouranosaurus to the Iguanodontidae, within the larger Iguanodontia. However, although it shares some similarities with Iguanodon (such as...

Struthiomimus in the Ceratosauria. In 1891, Baur placed the genus within Iguanodontia. As late as 1993, Struthiomimus was referred to Oviraptorosauria. However...

Iguanodontia...