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Hadrosauroidea

Reptilia -

Synonyms
Synonymy list
YearName and author
1888Trachodon cantabrigiensis Lydekker p. 47
1890Trachodon cantabrigiensis Woodward and Sherborn p. 292
1890Hadrosaurus cantabrigiensis Zittel p. 765
1892Iguanodon hillii Newton
1900Hadrosaurus cantabrigiensis Nopcsa p. 557
1900Limnosaurus hilli Nopcsa p. 558
1904Trachodon cantabrigiensis Lydekker p. 61
1909Trachodon cantabridgiensis Sauvage p. 377
1915Orthomerus hilli Nopcsa p. 8
1915Trachodon cantabrigiensis Nopcsa p. 17
1927Trachodon cantabriensis Huene p. 271
1954Hadrosauroidea Huene p. 49
1964Orthomerus hilli Kuhn p. 24
1964Trachodon cantabrigiensis Kuhn p. 28
1970Anatosaurus cantabrigiensis Swinton p. 227
1980Trachodon cantabrigiensis Buffetaut et al. p. 201
1981Craspedodon hillii Bartholomai and Molnar p. 343
1982Arstanosaurus akkurganensis Shilin and Suslov p. 132 fig. 1
1983Craspedodon hilli Weishampel and Weishampel p. 44
1983Telmatosaurus cantabrigiensis Weishampel and Weishampel p. 44
1986Hadrosauroidea Sereno
1997Arstanosaurus akkurganensis Ryan p. 443
1997Hadrosauroidea Sereno p. 443
1998Hadrosauroidea Godefroit et al. pp. 7, 50 fig. 38
1998Hadrosauroidea Sereno p. 62
1999Hadrosauroidea Sereno p. 2138 fig. 2
2003Hadrosauroidea You et al. p. 152 fig. 3
2003Hadrosauroidea You et al. p. 351 fig. 3
2004Hadrosauroidea Godefroit et al. p. 141
2007Hadrosauroidea Ruiz-Omeñaca et al. p. 8
2010Hadrosauroidea McDonald et al. p. 33 fig. 39
2010Hadrosauroidea McDonald et al. p. 808 fig. 10
2011Hadrosauroidea Wang et al. p. 155 fig. 11
2012Hadrosauroidea Ramírez-Velasco et al. p. 390
2013Hadrosauroidea Wang et al. p. 3
2015Hadrosauroidea Shibata and Azuma
2015Hadrosauroidea Shibata et al.
2017Hadrosauroidea Cruzado-Caballero and Powell p. 12 fig. 13
2017Hadrosauroidea Wang et al.
2017Hadrosauroidea Zhang et al.

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
Sarcopterygii
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda()
Reptiliomorpha
Anthracosauria
Batrachosauria()
Cotylosauria()
Amniota
Sauropsida
classReptilia
subclassEureptilia()
Romeriida
Diapsida()
Eosuchia()
RankNameAuthor
Neodiapsida
SauriaGauthier 1984
Archosauromorpha(Huene 1946)
Crocopoda
ArchosauriformesGauthier 1986
Eucrocopoda
Archosauria()
informalAvemetatarsalia
Ornithodira
Dinosauromorpha
Dinosauriformes
Dinosauria()
Ornithischia()
Neornithischia()
Ornithopoda()
Iguanodontia()
Dryomorpha
Ankylopollexia
Styracosterna
Hadrosauriformes
Hadrosauroidea()
Hadrosauroidea()

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

Diagnosis
ReferenceDiagnosis
P. Godefroit et al. 1998Iguanodontia characterized by more than one replacement tooth in each tooth position; crowns firmly cemented together to form a rigid battery; articular surface of the occipital condyle not steeply inclined downwards; basipterygoid processes long and slender, projecting more ventrally than the occipital condyle; presence of fontanelles on the skull of younger specimens; absence of surangular foramen; maxillary teeth miniaturized, bearing a single large carina; preacetabular process of ilium very deflected ventrally; antitrochanter of ilium developed; obturator foramen of pubis fully open; transverse widening of the proximal head of the tibia extending distally.