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Hadrosauriformes

Reptilia

Synonymy list
YearName and author
1997Hadrosauriformes Sereno p. 443
1998Hadrosauriformes Sereno p. 62
1999Hadrosauriformes Sereno p. 2138 fig. 2
2005Hadrosauriformes You et al. p. 789 fig. 4
2010Hadrosauriformes McDonald et al. p. 33 fig. 39
2010Hadrosauriformes McDonald et al. p. 808 fig. 10
2012Hadrosauriformes McDonald p. 2
2015Hadrosauriformes Shibata et al.
2017Hadrosauriformes Wang et al.
2021Hadrosauriformes Verdú et al. p. 10 fig. 9

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
—Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
—Sauropsida
classReptilia
subclassEureptilia()
—Romeriida
RankNameAuthor
—Diapsida()
—Archosauromorpha(Huene 1946)
—Crocopoda
—ArchosauriformesGauthier 1986
—Eucrocopoda
—Archosauria()
informalAvemetatarsalia
—Ornithodira
—Dinosauromorpha
—Dinosauriformes
—Dinosauria()
—Ornithischia()
—Genasauria
—Cerapoda
—Ornithopoda()
—Clypeodonta
—Iguanodontia()
—Dryomorpha
—Styracosterna
—Hadrosauriformes
—Hadrosauriformes

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.

Unr. †Hadrosauriformes Sereno 1997
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G. †Brighstoneus Lockwood et al. 2021
+
†Brighstoneus simmondsi Lockwood et al. 2021
G. †Comptonatus Lockwood et al. 2024
+
†Comptonatus chasei Lockwood et al. 2024
Unr. †Hadrosauroidea Huene 1954
+
G. †Bactrosaurus Gilmore 1933
+
†Bactrosaurus johnsoni Gilmore 1933
Invalid names: Bactrosaurus prynadai Riabinin 1937 [nomen dubium]
G. †Batyrosaurus Godefroit et al. 2012
+
†Batyrosaurus rozhdestvenskyi Godefroit et al. 2012
G. †Cedrorestes Gilpin et al. 2007
+
†Cedrorestes crichtoni Gilpin et al. 2007
G. †Claosaurus Marsh 1890
+
†Claosaurus agilis Marsh 1872
Invalid names: Claosaurus affinis Wieland 1903 [nomen dubium]
G. †Datonglong Xu et al. 2016
+
†Datonglong tianzhenensis Xu et al. 2016
G. †Eolambia Kirkland 1998
+
†Eolambia caroljonesa Kirkland 1998
G. †Equijubus You et al. 2003
+
†Equijubus normani You et al. 2003
G. †Fukuisaurus Kobayashi and Azuma 2003
+
†Fukuisaurus tetoriensis Kobayashi and Azuma 2003
G. †Fylax Prieto-Márquez and Carrera Farias 2021
+
†Fylax thyrakolasus Prieto-Márquez and Carrera Farias 2021
G. †Gilmoreosaurus Brett-Surman 1979
+
G. †Gobihadros Tsogtbaatar et al. 2019
+
†Gobihadros mongoliensis Tsogtbaatar et al. 2019
G. †Gongpoquansaurus You et al. 2014
+
G. †Gonkoken Alarcón-Muñoz et al. 2023
+
†Gonkoken nanoi Alarcón-Muñoz et al. 2023
Fm. †Hadrosauridae Cope 1869 [hadrosaurid]
+
G. †Acheralichnus Sánchez Roja 2004
+
†Acheralichnus leonardii Sánchez Roja 2004
G. †Aquilarhinus Prieto-Márquez et al. 2020
+
†Aquilarhinus palimentus Prieto-Márquez et al. 2020
G. †Eotrachodon Prieto-Márquez et al. 2016
+
†Eotrachodon orientalis Prieto-Márquez et al. 2016
Subfm. †Hadrosaurinae Lambe 1918 [hadrosaurine]
+
G. †Anasazisaurus Hunt and Lucas 1993
+
†Anasazisaurus horneri Hunt and Lucas 1993 [Anasazi lizard]
Unr. †Brachylophosaurini Gates et al. 2011
+
G. †Acristavus Gates et al. 2011
G. †Brachylophosaurus Sternberg 1953
G. †Hadrosaurus Leidy 1858
G. †Maiasaura Horner and Makela 1979
G. †Ornatops McDonald et al. 2021
G. †Probrachylophosaurus Freedman Fowler and Horner 2015
G. †Wulagasaurus Godefroit et al. 2008
Tr. †Edmontosaurini Glut 1997
+
G. †Edmontosaurus Lambe 1917
+
Invalid names: Anatosaurus Lull and Wright 1942 [synonym], Anatotitan Brett-Surman 1990 [synonym]
G. †Kerberosaurus Bolotsky and Godefroit 2004
+
Invalid names: Kundurosaurus Godefroit et al. 2012 [synonym]
G. †Shantungosaurus Hu 1973
+
Invalid names: Huaxiaosaurus Zhao 2011 [synonym], Zhuchengosaurus Zhao et al. 2007 [synonym]
G. †Ugrunaaluk Mori et al. 2016
G. †Kamuysaurus Kobayashi et al. 2019
+
†Kamuysaurus japonicus Kobayashi et al. 2019
Tr. †Kritosaurini Lapparent and Lavocat 1955
+
G. †Coahuilasaurus Longrich et al. 2024
G. †Gryposaurus Lambe 1914
G. †Huallasaurus Rozadilla et al. 2021
G. †Kelumapusaura Rozadilla et al. 2021
G. †Kritosaurus Brown 1910
G. †Naashoibitosaurus Hunt and Lucas 1993
G. †Secernosaurus Brett-Surman 1979
G. †Mandschurosaurus Riabinin 1930
+
†Mandschurosaurus amurensis Riabinin 1925
Invalid names: Mandschurosaurus laosensis Hoffet 1943 [nomen dubium]
Tr. †Saurolophini Godefroit et al. 2012
+
G. †Augustynolophus Prieto-Márquez et al. 2015
G. †Bonapartesaurus Cruzado-Caballero and Powell 2017
G. †Prosaurolophus Brown 1916
G. †Saurolophus Brown 1912
Subfm. †Lambeosaurinae Parks 1923 [lambeosaurine]
+
G. †Adelolophus Gates et al. 2014
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†Adelolophus hutchisoni Gates et al. 2014
G. †Amurosaurus Bolotsky and Kurzanov 1991
+
†Amurosaurus riabinini Bolotsky and Kurzanov 1991
+
Invalid names: Sahaliyania elunchunorum Godefroit et al. 2008 [synonym]
Invalid names: Sahaliyania Godefroit et al. 2008 [synonym]
G. †Angulomastacator Wagner and Lehman 2009
+
†Angulomastacator daviesi Wagner and Lehman 2009
G. †Aralosaurus Rozhdestvensky 1968
+
†Aralosaurus tuberiferus Rozhdestvensky 1968
Unr. †Arenysaurini Longrich et al. 2021
+
G. †Adynomosaurus Prieto-Márquez et al. 2019
G. †Ajnabia Longrich et al. 2021
G. †Arenysaurus Pereda-Suberbiola et al. 2009
G. †Blasisaurus Cruzado-Caballero et al. 2010
G. †Canardia Prieto-Marquez et al. 2013
G. †Koutalisaurus Prieto-Márquez et al. 2006
G. †Minqaria Longrich et al. 2024
G. †Pararhabdodon Casanovas Cladellas 1992
Tr. †Corythosaurini Glut 1997
+
G. †Corythosaurus Brown 1914
G. †Hypacrosaurus Brown 1913
+
Invalid names: Cheneosaurus Lambe 1917 [synonym]
G. †Lambeosaurus Parks 1923
+
Invalid names: Didanodon Osborn 1902 [synonym], Procheneosaurus Matthew 1920 [synonym], Stephanosaurus Lambe 1914 [synonym]
G. †Velafrons Gates et al. 2007 [sail forehead]
G. †Jaxartosaurus Riabinin 1937
+
†Jaxartosaurus aralensis Riabinin 1938
Invalid names: Jaxartosaurus fuyunensis Wu 1984 [nomen dubium]
G. †Kazaklambia Bell and Brink 2013
+
†Kazaklambia convincens Rozhdestvensky 1968
Tr. †Lambeosaurini Sullivan et al. 2011
+
G. †Magnapaulia Prieto-Marquez et al. 2012
G. †Latirhinus Prieto-Márquez and Serrano Brañas 2012
+
†Latirhinus uitstlani Prieto-Márquez and Serrano Brañas 2012
G. †Nipponosaurus Nagao 1936
+
G. †Olorotitan Godefroit et al. 2003
+
†Olorotitan arharensis Godefroit et al. 2003
Tr. †Parasaurolophini Glut 1997
+
G. †Charonosaurus Godefroit et al. 2000
G. †Parasaurolophus Parks 1922
G. †Tlatolophus Ramírez-Velasco et al. 2021
G. †Tsintaosaurus Young 1958
+
Invalid names: Aralosaurini Prieto-Marquez et al. 2013 [empty], Cheneosaurinae Lull and Wright 1942 [synonym], Hadrosaurus paucidens Marsh 1889 [nomen dubium], Stephanosaurinae Lambe 1920 [replaced], Tsintaosaurini Prieto-Marquez et al. 2013 [empty]
G. †Lapampasaurus Coria et al. 2012
+
†Lapampasaurus cholinoi Coria et al. 2012
G. †Malefica Prieto-Márquez and Wagner 2023
+
†Malefica deckerti Prieto-Márquez and Wagner 2023
Subfm. †Saurolophinae Brown 1914
+
G. †Barsboldia Maryanska and Osmólska 1981
+
†Barsboldia sicinskii Maryanska and Osmólska 1981
G. †Laiyangosaurus Zhang et al. 2019
+
†Laiyangosaurus youngi Zhang et al. 2019
G. †Rhinorex Gates and Scheetz 2014
+
†Rhinorex condrupus Gates and Scheetz 2014
Invalid names: Glishades Prieto-Márquez 2010 [nomen dubium]
G. †Tridigitichnus Casamiquela 1994
+
†Tridigitichnus inopinatus Casamiquela 1994
G. †Yamatosaurus Kobayashi et al. 2021
+
†Yamatosaurus izanagii Kobayashi et al. 2021
Invalid names: Arstanosaurus Shilin and Suslov 1982 [nomen dubium], Arstanosaurus akkurganensis Shilin and Suslov 1982 [nomen dubium], Cionodon Cope 1874 [nomen dubium], Claorhynchus Cope 1892 [nomen dubium], Claosauridae Marsh 1890 [synonym], Diclonius Cope 1876 [nomen dubium], Edmontosaurinae Horner 1992 [empty], Euhadrosauria Weishampel et al. 1993 [empty], Gryposaurinae Horner 1992 [empty], Hadrosaurus breviceps Marsh 1889 [nomen dubium], Hadrosaurus cavatus Cope 1871 [nomen dubium], Hadrosaurus minor Marsh 1870 [nomen dubium], Hypsibema Cope 1869 [nomen dubium], Maiasaurinae Horner 1992 [empty], Microhadrosaurus Dong 1979 [nomen dubium], Neosaurus missouriensis Gilmore and Stewart 1945 [nomen dubium], Ornithotarsus Cope 1869 [nomen dubium], Orthomerus Seeley 1883 [nomen dubium], Parrosaurus Gilmore 1945 [nomen dubium], Prohadrosauridae Huene 1956 [synonym], Prohadrosaurinae Young 1958 [empty], Protrachodontidae Nopcsa 1915 [synonym], Pteropelyx Cope 1889 [nomen dubium], Saurolophidae Prieto-Márquez and Wagner 2010 [empty], Saurolophus krystofovici Riabinin 1930 [nomen dubium], Thespesius Leidy 1856 [nomen dubium], Trachodon Leidy 1856 [nomen dubium], Trachodontidae Lydekker 1888 [synonym], Troodon isfarensis Nessov 1995 [nomen dubium], Tyrannosauropus Haubold 1971 [nomen dubium], Willinakaqe Juárez Valieri et al. 2010 [nomen vanum]
G. †Huehuecanauhtlus Ramírez-Velasco et al. 2012
+
†Huehuecanauhtlus tiquichensis Ramírez-Velasco et al. 2012
G. †Jeyawati McDonald et al. 2010
+
†Jeyawati rugoculus McDonald et al. 2010
G. †Jintasaurus You and Li 2009
+
†Jintasaurus meniscus You and Li 2009
G. †Koshisaurus Shibata and Azuma 2015
+
†Koshisaurus katsuyama Shibata and Azuma 2015
G. †Levnesovia Sues and Averianov 2009
+
†Levnesovia transoxiana Sues and Averianov 2009
G. †Morelladon Gasulla et al. 2015
+
†Morelladon beltrani Gasulla et al. 2015
G. †Nanningosaurus Mo et al. 2007
+
†Nanningosaurus dashiensis Mo et al. 2007
G. †Nanyangosaurus Xu et al. 2000
+
†Nanyangosaurus zhugeii Xu et al. 2000
Fm. †Ovaloolithidae Mikhailov 1991
+
G. †Ovaloolithus Zhao 1979
+
†Ovaloolithus chinkangkouensis Chao and Chiang 1974
†Ovaloolithus dinornithoides Mikhaillov 1994
†Ovaloolithus tenuisus Bray 1999
†Ovaloolithus turpanensis Zhang and Wang 2010
G. †Penelopognathus Godefroit et al. 2005
+
†Penelopognathus weishampeli Godefroit et al. 2005
G. †Plesiohadros Tsogtbaatar et al. 2014
+
†Plesiohadros djadokhtaensis Tsogtbaatar et al. 2014
G. †Portellsaurus Santos-Cubedo et al. 2021
+
†Portellsaurus sosbaynati Santos-Cubedo et al. 2021
G. †Probactrosaurus Rozhdestvensky 1966
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†Probactrosaurus gobiensis Rozhdestvensky 1966
+
Invalid names: Probactrosaurus alashanicus Rozhdestvensky 1966 [synonym]
G. †Protohadros Head 1998
+
†Protohadros byrdi Head 1998
G. †Qianjiangsaurus Dai et al. 2025
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†Qianjiangsaurus changshengi Dai et al. 2025
G. †Ratchasimasaurus Shibata et al. 2011
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†Ratchasimasaurus suranareae Shibata et al. 2011
G. †Shuangmiaosaurus You et al. 2003
+
†Shuangmiaosaurus gilmorei You et al. 2003
G. †Sirindhorna Shibata et al. 2015
+
†Sirindhorna khoratensis Shibata et al. 2015
Fm. †Spheroolithidae Zhao 1979
+
G. †Guegoolithus Moreno-Azanza et al. 2014
+
†Guegoolithus turolensis Amo Sanjuán et al. 2000
G. †Spheroolithus Zhao 1979
+
†Spheroolithus albertensis Zelenitsky and Hills 1997
†Spheroolithus choteauensis Jackson and Varricchio 2010
†Spheroolithus europaeus Sellés et al. 2014
†Spheroolithus irenensis Chao and Chiang 1974
†Spheroolithus jincunensis Fang et al. 2003
†Spheroolithus maiasauroides Mikhaillov 1994
†Spheroolithus tenuicorticus Mikhaillov 1994
Invalid names: Paraspheroolithus Zhao 1979 [synonym]
G. †Tanius Wiman 1929
+
†Tanius sinensis Wiman 1929
Invalid names: Tanius laiyangensis Zhen 1976 [nomen dubium]
G. †Telmatosaurus Nopcsa 1903
+
Invalid names: Hecatasaurus Brown 1910 [synonym], Limnosaurus Nopcsa 1900 [replaced]
G. †Tethyshadros Dalla Vecchia 2009
+
†Tethyshadros insularis Dalla Vecchia 2009
G. †Xuwulong You et al. 2011
+
†Xuwulong yueluni You et al. 2011
G. †Yunganglong Wang et al. 2013
+
†Yunganglong datongensis Wang et al. 2013
G. †Zhanghenglong Xing et al. 2014
+
†Zhanghenglong yangchengensis Xing et al. 2014
G. †Zuoyunlong Wang et al. 2017
+
†Zuoyunlong huangi Wang et al. 2017
Invalid names: Iguanodon hillii Newton 1892 [nomen dubium], Trachodon cantabrigiensis Lydekker 1888 [nomen dubium]
G. †Proa McDonald et al. 2012
+
†Proa valdearinnoensis McDonald et al. 2012
G. †Siamodon Buffetaut and Suteethorn 2011
+
†Siamodon nimngami Buffetaut and Suteethorn 2011
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: hydroxyapatiteo
Entire body: yeso
Adult length: 10 to < 100o
Adult width: 1.0 to < 10o
Adult height: 1.0 to < 10o
Maximum body mass: 10000 kgg
Minimum body mass: 100 kgg
Architecture: compact or denseo
Ontogeny: accretion, modification of partso
Grouping: gregariouso
Environment: terrestrialo
Locomotion: actively mobileo
Life habit: ground dwellingo
Diet: herbivoresubo
Reproduction: oviparouso
Dispersal: direct/internalo
Dispersal 2: mobileo
Created: 2009-01-03 20:40:05
Modified: 2009-01-03 22:40:05
Source: g = genus, subo = suborder, o = order
References: Benton 1983, Peczkis 1995, Marsh 1875

Age range: base of the Aalenian to the top of the Edmontonian or 174.10000 to 66.00000 Ma

Collections (1658 total)

Oldest occurrences

Time interval Ma Country or state Original ID and collection number
Aalenian - Bajocian174.1 - 168.3China (Sichuan) Trachodontidae indet. (140257)
Late/Upper Berriasian145.0 - 140.2Spain (La Rioja) Guegoolithus turolensis (224944)
Early/Lower Cretaceous145.0 - 100.5Mongolia (Omngov) Sauropoda indet. (48928)
Early/Lower Cretaceous145.0 - 100.5Mongolia (Dornogov) Hadrosauridae indet. (127659)
Cretaceous145.0 - 66.0Mongolia (Dornogov) Hadrosauroidea indet. (48926)
Cretaceous145.0 - 66.0Argentina (Salta) Hadrosauridae indet. (85837)
Valanginian139.8 - 132.9USA (Utah) Iguanodontia indet. (73890)
Valanginian139.8 - 132.9Argentina (Neuquén) Hadrosauriformes indet. (193674)
Valanginian - Hauterivian139.8 - 129.4Spain (Zaragoza) Spheroolithidae indet. (61330)
Late/Upper Hauterivian136.4 - 130.0Spain (Teruel) Hadrosauriformes indet. (205742)

Youngest occurrences
Time interval Ma Country or state PBDB collection number
Late/Upper Maastrichtian70.6 - 66.0USA (Utah) Hadrosauridae indet. (52926 52971) Hadrosauridae indet., Trachodon sp. (48549) Ovaloolithus utahensis (45722 138563) Spheroolithus sp., Spheroolithus indet. (45721) Trachodontidae indet. (45720)
Late/Upper Maastrichtian70.6 - 66.0USA (North Dakota) Edmontosaurus sp. (57919) Hadrosauridae indet. (137718 137720) Hadrosaurinae indet. (45098 45099 45102 45109 45110 45111 45112 45118 45122 45128 45130 45134 45136 45137 45143 45144 45145 45299 45309 45386)
Late/Upper Maastrichtian70.6 - 66.0Russian Federation (Chukot) Hadrosauridae indet. (59386) Hadrosauridae indet., Spheroolithidae indet. (86529)
Late/Upper Maastrichtian70.6 - 66.0Belgium (Liège) Hadrosauridae indet. (67130 67131 67132 155974) Orthomerus dolloi (48877 48878)
Late/Upper Maastrichtian70.6 - 66.0Romania (Hunedoara) Hadrosauroidea indet. (27894 193675) Telmatosaurus sp. (14454 26369 221784) Telmatosaurus transsylvanicus (219186)
Late/Upper Maastrichtian70.6 - 66.0Belgium (Limburg) Orthomerus dolloi (51521)
Late/Upper Maastrichtian70.6 - 66.0USA (California) Hadrosauridae indet. (76741 76742) Hadrosaurinae indet. (55358) Trachodontidae indet. (55359)
Late/Upper Maastrichtian70.6 - 66.0Spain (Cataluña) Euhadrosauria indet. (220461) Hadrosauria indet. (55390) Hadrosauridae indet. (173498 173500 183634 204917 219287 219288 219290 219291 219292 219293 219295 219296 219297 219298 219302 219303 219304) Hadrosauridae indet., Pararhabdodon isonensis (67138) Hadrosauridae indet., Rhabdodon sp. (38893) Hadrosauroidea indet. (158277 167946 171108) Hadrosauroidea indet., Hadrosauridae indet. (148953) Lambeosaurinae indet. (148950 207033) Orthomerus sp. (36381) Pararhabdodon isonense, Hadrosauroidea indet. (171102) Rhabdodon priscus (61380)
Late/Upper Maastrichtian70.6 - 66.0USA (Wyoming) Anatosaurus annectens (45878 54176 150933) Anatosaurus sp. (14585 52695 57162 57163 57166 57168 57169 57170 150976) Claosaurus annectens (46209) Edmontosaurus annectens (26760) Hadrosauridae indet. (22638 52089 128559 175972 239131) Hadrosauridae indet., Claosaurus annectens (49238) Lambeosaurinae indet. (48327) Trachodon annectens (54178) Trachodon longiceps (46120) Trachodon sp. (57764 164991 164992 164993 171094) Trachodon sp., Trachodontidae indet. (46125) Trachodontidae indet. (46128)
Late/Upper Maastrichtian - Danian70.6 - 61.6Slovenia (Obalno-Kraska) Hadrosauridae indet. (67198)