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Extinct family of dinosaurs
Hadrosauridae (from Ancient Greek ἁδρός (hadrós) 'stout, thick' and σαύρα (saúra) 'lizard'), is a family of ornithischian dinosaurs informally referred
Hadrosauridae
Hadrosaurid ornithopod dinosaur genus from Late Cretaceous Period
Struthiomimus, Ornithopoda, ?Chasmosaurus, ?Corythosaurus, Hadrosaurinae, Hadrosauridae, and Ceratopsidae. When Parasaurolophus existed, the Fruitland Formation
Parasaurolophus
Clade of reptiles
ISSN 1006-3021. Weishampel, Dodson & Osmólska 2004, pp. 438–463, chpt. 20: "Hadrosauridae" by John R. Horner David B. Weishampel, and Catherine A. Forster. Norell
Dinosaur
Hadrosaurid dinosaur genus from the Late Cretaceous period
first specimens, put it in its own subfamily in "Trachodontidae" (=Hadrosauridae), the Saurolophinae. At the time, this also included Corythosaurus and
Saurolophus
Extinct subfamily of dinosaurs
Under this view, the traditional Hadrosaurinae is resurrected, with the Hadrosauridae being divided into two clades: Hadrosaurinae and Lambeosaurinae. Saurolophinae
Saurolophinae
Extinct clade of dinosaurs
ornithischian dinosaurs that includes the "duck-billed" dinosaurs, or Hadrosauridae, and all dinosaurs more closely related to them than to Iguanodon. Their
Hadrosauroidea
Extinct subfamily of dinosaurs
within Trachodontinae. Lambe subsequently revised the classification of Hadrosauridae (the older name for Trachodontidae) in 1920 following the description
Lambeosaurinae
Extinct genus of dinosaurs
initial description of Eolambia, he considered it to be a member of the Hadrosauridae, as defined by David B. Weishampel, David B. Norman, and Dan Grigorescu
Eolambia
Genus of ornithopod dinosaurs
phylogenetic relationship of Edmontosaurus and Shantungosaurus (Dinosauria: Hadrosauridae) from the Upper Cretaceous of North America and East Asia". Acta Geologica
Shantungosaurus
Extinct genus of reptiles
Series 3. 13 (4): 51–59. Weishampel, David B.; Horner, Jack R. (1990). "Hadrosauridae". In Weishampel, David B.; Dodson, Peter; Osmólska Halszka (eds.). The
Gryposaurus
Extinct genus of dinosaurs
Prieto-Márquez, A. (2011). "A Reappraisal of Barsboldia sicinskii (Dinosauria: Hadrosauridae) from the Late Cretaceous of Mongolia" (PDF). Journal of Paleontology
Barsboldia
Extinct genus of dinosaurs
is an extinct genus of herbivorous ornithopod dinosaur belonging to Hadrosauridae, which lived in the area of modern Argentina during the Campanian and
Bonapartesaurus
Extinct genus of dinosaurs
(1997). Les Hadrosauridae (Dinosauria, Ornithopoda) du Maastrichtien supérieur des Corbières orientales (Aude, France) [The Hadrosauridae (Dinosauria
Pararhabdodon
Genus of ornithopod dinosaurs
demonstrates apomorphic (derived) features of later-diverging members of the Hadrosauridae, placing it as a transitional form between the two groups. The referred
Qianjiangsaurus
Hadrosaurid dinosaur genus from the Late Cretaceous
the most robust among hadrosaurs. Despite the fact that the family Hadrosauridae has Hadrosaurus as its type genus, the skeleton lacks a skull and was
Hadrosaurus
Hadrosaurid dinosaur genus from Late Cretaceous US and Canada
Brachylophosaurus, and Maiasaura. However, the most recent review of Hadrosauridae, by Jack Horner and colleagues (2004), came to a noticeably different
Edmontosaurus
Genus of hadrosaurid dinosaur
; Maddin, Hillary C. (July 2026). "A new parasaurolophin dinosaur (Hadrosauridae: Lambeosaurinae) from the Oldman Formation of southern Alberta". Canadian
Plesiolophus
Extinct clade of primarily herbivorous dinosaurs
sometimes flared to form a broad beak. Members of the ornithopod family Hadrosauridae show further adaptations, including the formation of dental batteries
Ornithischia
Topics referred to by the same term
anatinus Duckbill catfish, Sorubim lima Duckbill dinosaurs, family Hadrosauridae Duckbill fishes, family Percophidae Duckbill eels, family Nettastomatidae
Duckbill
Alexander; Jalil, Nour-Eddine (2021). "The first duckbill dinosaur (Hadrosauridae: Lambeosaurinae) from Africa and the role of oceanic dispersal in dinosaur
List of vertebrate fauna of the Campanian stage
List_of_vertebrate_fauna_of_the_Campanian_stage
Extinct genus of dinosaurs
referred to Corythosaurus as a member of the family Trachodontidae (now Hadrosauridae). Inside Trachodontidae were the subfamilies Trachodontinae and Saurolophinae
Corythosaurus
Extinct genus of dinosaurs
Claosaurus agilis. Traditionally classified as an early member of the family Hadrosauridae, a 2008 analysis found Claosaurus to be outside of the clade containing
Claosaurus
Geological formation in New Mexico and Colorado, United States
R. (September 2025). "A new saurolophine hadrosaurid (Ornithischia: Hadrosauridae) from the Upper Cretaceous (Campanian) Hunter Wash Member, Kirtland
Kirtland_Formation
Paleontological theories
contents within a specimen of Brachylophosaurus canadensis (Dinosauria: Hadrosauridae) from the Upper Cretaceous Judith River Formation of Montana". PALAIOS
Dinosaur_diet_and_feeding
Hadrosaurid dinosaur genus from Late Cretaceous Asia
considered an invalid nomen dubium. The family is now known as the Hadrosauridae. Among its relatives, Nagao thought it was possibly closest to the taxa
Nipponosaurus
Genus of dinosaurs
Bactrosaurus, Tanius, Telmatosaurus and the clade formed by Aralosaurus and Hadrosauridae. The 50% majority rule tree resolved its phylogenetic position further
Yunganglong
Extinct genus of dinosaurs
P.R.; Evans, D.C. (2010). "Revision of the status of Saurolophus (Hadrosauridae) from California, USA". Canadian Journal of Earth Sciences. 47 (11):
Augustynolophus
Extinct genus of dinosaurs
studies have allied it with Tsintaosaurini or even found it outside of Hadrosauridae. It would have lived as part of a diverse coastal estuary ecosystem
Adynomosaurus
Genus of ornithopod dinosaurs
Telmatosaurus transsylvanicus Eotrachodon orientalis Tanius sinensis Claosaurus agilis Huehuecanauhtlus tiquichensis Lophorhothon atopus Hadrosauridae ⊟
Haolong
Genus of ornithopod dinosaurs
than wide, and its shape is similar to later-diverging members of the Hadrosauridae like Amurosaurus and Hypacrosaurus. Cariocecus can be distinguished
Cariocecus_bocagei
Extinct genus of dinosaurs
Horner, John R.; Weishampel, David B.; Forster, Catherine A (2004). "Hadrosauridae". In Weishampel, David B.; Dodson, Peter; Osmólska, Halszka (eds.).
Olorotitan
Extinct genus of dinosaurs
hadrosauroids which are more derived than Probactrosaurus but less derived than Hadrosauridae. The exclusion of Claosaurus, Jeyawati, Levnesovia, Nanyangosaurus,
Huehuecanauhtlus
Clade of dinosaurs
subdivided the order into three families: Camptonotidae, Iguanodontidae, and Hadrosauridae; the former was a new name, whereas the latter two were carried over
Ornithopoda
Geologic formation in France
Dinosauria of the Calcarenites du Jadet Formation Genus Species Material Notes Images Hadrosauridae indet. Indeterminate A partial left dentary
Calcarenites du Jadet Formation
Calcarenites_du_Jadet_Formation
Extinct genus of dinosaurs
classifications of Hadrosauridae (then Trachodontidae). He invalidated the family name and Trachodontinae, replacing them with Hadrosauridae and Hadrosaurinae
Prosaurolophus
Extinct genus of dinosaurs
(2026-05-20). "A northern occurrence of hypacrosaurus altispinus (dinosauria: hadrosauridae), with discussions on generic monophyly and hypodigm construction".
Hypacrosaurus
Extinct genus of reptiles
Hillary C. (2021-03-01). "First occurrence of Maiasaura (Dinosauria, Hadrosauridae) from the Upper Cretaceous Oldman Formation of southern Alberta, Canada"
Maiasaura
Genus of ornithopod dinosaurs
Bardet, N.; Jalil, N.-E. (2024). "A new small duckbilled dinosaur (Hadrosauridae: Lambeosaurinae) from Morocco and dinosaur diversity in the late Maastrichtian
Kryptohadros
Genus of ornithopod dinosaurs
Gongshuilong is a member of the group Brachylophosaurini within the Hadrosauridae, and it is the second member of this otherwise North American clade
Gongshuilong
Hadrosaurid dinosaur genus from Late Cretaceous US and Canada
lambeosaur specimen from marine sediments. In a 1990 review of the Hadrosauridae by American palaeontologists David B. Weishampel and Horner, Lambeosaurus
Lambeosaurus
Extinct species of dinosaur
Maastrichtian) of Alberta, dominated by cf. Edmontosaurus regalis (Ornithischia: Hadrosauridae), with significant remains of Pachyrhinosaurus canadensis (Ornithischia:
Edmontosaurus_regalis
Hadrosaurid species from the Late Cretaceous Period
independent genus, Anatosaurus, following the influential 1942 revision of Hadrosauridae by Richard Swann Lull and Nelda Wright, until it was reclassified as
Edmontosaurus_annectens
Monophyletic closure of a set of living species
Crocodylia Pan-Aves †Pterosauria Dinosauria †Ornithischia †Ornithopoda †Hadrosauridae †Thyreophora †Stegosauria Saurischia †Sauropoda Theropoda †Ceratosauria
Crown_group
Extinct genus of dinosaurs
phylogenetic relationship of Edmontosaurus and Shantungosaurus (Dinosauria: Hadrosauridae) from the Upper Cretaceous of North America and East Asia". Acta Geologica
Kerberosaurus
Extinct genus of dinosaurs
also feminine. Although tossed as a nomen dubium in recent reviews of Hadrosauridae, it was informally given its own genus "Riabininohadros" by Russian
Riabininohadros
Extinct genus of dinosaurs
Hatcher, J.B. (1902). The genus and species of the Trachodontidae (Hadrosauridae, Claosauridae) Marsh. Annals of the Carnegie Museum 14(1):377-386. Hatcher
Claorhynchus
Extinct genus of dinosaurs
Chinese). 新疆石油管理局地质调查处. 1984. Weishampel, D. B. & Horner, J. R. 1990. Hadrosauridae. In: Weishampel, D. B. et al. (eds.). The Dinosauria. Univ. Calif. Press
Jaxartosaurus
Extinct genus of dinosaurs
Horner, John R.; Weishampel, David B.; Forster, Catherine A (2004). "Hadrosauridae". In Weishampel, David B.; Dodson, Peter; Osmólska, Halszka (eds.).
Magnapaulia
Extinct genus of dinosaurs
Iguanodontia, being a styracosternan, a basal subgroup containing the Hadrosauridae and all dinosaurs more closely related to hadrosaurids than to camptosaurids
Iguanacolossus
Genus of Late Cretaceous dinosaur
(2011). "Cranial Growth and Variation in Edmontosaurs (Dinosauria: Hadrosauridae): Implications for Latest Cretaceous Megaherbivore Diversity in North
Triceratops
Extinct clade of dinosaurs
this definition, Norman (2015) considered Hadrosauromorpha to include Hadrosauridae, as well as the taxa Tethyshadros and Bactrosaurus. Norman in 2014 had
Hadrosauromorpha
Extinct genus of hadrosaurid
holotype of Brachylophosaurus canadensis Sternberg, 1953 (Dinosauria: Hadrosauridae) with comments on intraspecific variation". Zoological Journal of the
Brachylophosaurus
Fossil flora and fauna of North American site
detailed field studies by White, Fastovsky and Sheehan. Ceratopsidae 61% Hadrosauridae 23% Ornithomimidae 5% Tyrannosauridae 4% Hypsilophodontidae 3% Dromaeosauridae
Paleobiota of the Hell Creek Formation
Paleobiota_of_the_Hell_Creek_Formation
Extinct genus of dinosaurs
Zuoyunlong Telmatosauridae Kryptohadros Telmatosaurus Tethyshadros Hadrosauridae Aquilarhinus Eotrachodon Hadrosaurus Lapampasaurus Malefica Yamatosaurus
Delapparentia
Extinct family of dinosaurs
Iguanodontidae is most frequently characterized as paraphyletic with respect to Hadrosauridae, although some researchers advocate for a monophyletic view of the family
Iguanodontidae
Extinct genus of dinosaurs
less derived than the type species of Probactrosaurus in relation to Hadrosauridae. In 2014, the species was formally redescribed, and the describers erected
Gongpoquansaurus
Phosphate basin in Morocco
Alexander; Jalil, Nour-Eddine (2020). "The first duckbill dinosaur (Hadrosauridae: Lambeosaurinae) from Africa and the role of oceanic dispersal in dinosaur
Ouled_Abdoun_Basin
Genus of Late Cretaceous theropod
; Evans, David C., eds. (2015). "Paleopathology in Late Cretaceous Hadrosauridae from Alberta, Canada". Hadrosaurs. Indiana University Press. pp. 540–571
Tyrannosaurus
Hadrosauroid dinosaur from Late Cretaceous Italy
hadrosaurine, due to its lack of crest and assumed nature as a member of Hadrosauridae. In 2021, Prieto-Márquez and Carrera Farias recovered Tethyshadros as
Tethyshadros
Extinct genus of dinosaurs
Adelolophus is a member of the lambeosaur subfamily of the family Hadrosauridae. Its phylogenetic position was not tested more precisely in its original
Adelolophus
Extinct genus of dinosaurs
it is the largest species of South American ornithopod outside of Hadrosauridae, and the largest species of elasmarian. Approaching the size of many
Macrogryphosaurus
Provincial park in Alberta, Canada
Pachyrhinosaurus Chasmosaurus belli, Chasmosaurus russelli Vagaceratops irvinensis Hadrosauridae Corythosaurus casuarius Gryposaurus notabilis, Gryposaurus incurvimanus
Dinosaur_Provincial_Park
Geological formation in Mongolia
Albert (2011). "A reapprisal of Barsboldia sicinskii (Dinosauria: Hadrosauridae) from the Late Cretaceous of Mongolia". Journal of Paleontology. 85
Nemegt_Formation
Extinct genus of reptiles
Alexander; Jalil, Nour-Eddine (2021). "The first duckbill dinosaur (Hadrosauridae: Lambeosaurinae) from Africa and the role of oceanic dispersal in dinosaur
Ajnabia
Dubious extinct genus of dinosaurs
the genus Hadrosaurus, including H. mirabilis, and named the family Hadrosauridae to include Hadrosaurus, its later synonym Ornithotarsus, and Hypsibema
Trachodon
Genus of hadrosaurid dinosaurs
parsimony tree was obtained, resolving Ahshislesaurus as a member of the Hadrosauridae. They recovered it within the more exclusive Saurolophinae, which includes
Ahshislesaurus
Fossil-bearing geologic formation in Montana, part of the Judith River Group
information on the cranium of Brachylophosaurus canadensis (Dinosauria, Hadrosauridae), with a revision of its phylogenetic position". Journal of Vertebrate
Judith_River_Formation
Extinct genus of ornithopod dinosaurs
Clade: Dinosauria Clade: †Ornithischia Clade: †Ornithopoda Family: †Hadrosauridae Subfamily: †Saurolophinae Tribe: †Kritosaurini Genus: †Coahuilasaurus
Coahuilasaurus
Geologic formation in Mexico
Mexico. It preserves fossils dating back to the Cretaceous period. Hadrosauridae indet. Orbitolina texana Dicyclina schlumbergeri Dictyoconus sp. Oxytropidoceras
Aurora_Limestone
Geological formation in Hokkaido, Japan
Kobayashi, Yoshitsugu (September 5, 2019). "A New Hadrosaurine (Dinosauria: Hadrosauridae) from the Marine Deposits of the Late Cretaceous Hakobuchi Formation
Hakobuchi_Formation
Genus of hadrosauroid dinosaur from the Late Cretaceous period
placed in a more derived position, as an early-diverging member of the Hadrosauridae. The majority rule tree using the dataset of Longrich et al. (2024)
Fylax
Extinct species of dinosaur
process of elimination; when he was left with the possibilities of Hadrosauridae and Sauropoda, he dismissed the former, saying, "The more elongate centra
Hypsibema_missouriensis
Alexander; Jalil, Nour-Eddine (2021). "The first duckbill dinosaur (Hadrosauridae: Lambeosaurinae) from Africa and the role of oceanic dispersal in dinosaur
List of North American dinosaurs
List_of_North_American_dinosaurs
Extinct genus of hadrosaurid dinosaurs
Bardet, N.; Jalil, N.-E. (2024). "A new small duckbilled dinosaur (Hadrosauridae: Lambeosaurinae) from Morocco and dinosaur diversity in the late Maastrichtian
Minqaria
Genus of ornithopod dinosaurs
recent work places it as indeterminate beyond Hadrosauroidea outside Hadrosauridae. I. hoggi (also spelled I. boggii or hoggii), named by Owen for a lower
Iguanodon
Late Cretaceous Siberian formation with dinosaur fossils and ancient plant orders
formosus Ankylosauria indet. Dinosauria indet. Dromaeosauridae indet. Hadrosauridae indet. Neoceratopsia indet. Ornithopoda indet. Prismatoolithidae indet
Kakanaut_Formation
Hadrosaurid dinosaur from the Late Cretaceous
Clade: Dinosauria Clade: †Ornithischia Clade: †Ornithopoda Family: †Hadrosauridae Subfamily: †Lambeosaurinae Tribe: †Tsintaosaurini Genus: †Tsintaosaurus
Tsintaosaurus
Stratigraphic unit of Late Cretaceous age in the Western Canada Sedimentary Basin
(2011). "Cranial Growth and Variation in Edmontosaurs (Dinosauria: Hadrosauridae): Implications for Latest Cretaceous Megaherbivore Diversity in North
Frenchman_Formation
Geologic formation in Canada
C. (22 December 2020). "First occurrence of Maiasaura (Dinosauria, Hadrosauridae) from the Upper Cretaceous Oldman Formation of southern Alberta, Canada"
Oldman_Formation
Genus of dinosaur
re-evaluation of Secernosaurus koerneri and Kritosaurus australis (Dinosauria, Hadrosauridae) from the Late Cretaceous of Argentina", Journal of Vertebrate Paleontology
Lophorhothon
Large bodied African mosasaur
Alexander Pyron; Nour-Eddine Jalil (2020). "The first duckbill dinosaur (Hadrosauridae: Lambeosaurinae) from Africa and the role of oceanic dispersal in dinosaur
Thalassotitan
Genus of hadrosaurid dinosaurs
Jalil, Nour-Eddine (2024-02-13). "A new small duckbilled dinosaur (Hadrosauridae: Lambeosaurinae) from Morocco and dinosaur diversity in the late Maastrichtian
Taleta
Genus of ornithopod dinosaurs
orientalis Telmatosaurus transsylvanicus Tanius sinensis Tethyshadros insularis Tethyshadros insularis Huehuecanauhtlus tiquichensis Hadrosauridae ⊟
Comptonatus
Genus of hadrosaurid ornithopod dinosaur
length measured from the top of the element. This is unique for the Hadrosauridae as a whole. The surangular bone of the lower jaw has only a short ascending
Kamuysaurus
Extinct genus of dinosaurs
Batyrosaurus Altirhinus Jeyawati Eolambia Protohadros Shuangmiaosaurus Levnesovia Tethyshadros Bactrosaurus Gilmoreosaurus Telmatosaurus Hadrosauridae
Lurdusaurus
Extinct genus of dinosaurs
(2014). "Skeletal morphology of Kritosaurus navajovius (Dinosauria:Hadrosauridae) from the Late Cretaceous of the North American south-west, with an
Acristavus
Genus of extinct plant
terrestrial ecosystem of an exceptionally well-preserved dinosaur (Hadrosauridae) from the Upper Cretaceous of North Dakota, USA". Cretaceous Research
Trochodendroides
Extinct genus of dinosaurs
hadrosauroid, and is thought to be one of the closest relatives to Hadrosauridae. Xing, H.; Wang, D.; Han, F.; Sullivan, C.; Ma, Q.; He, Y.; Hone, D
Zhanghenglong
Extinct genus of dinosaur
sudeste de Rio Negro, con descripcion de Kritosaurus australis n. sp. (Hadrosauridae). Significado paleogeografico de los vertebrados". Revista de la Asociación
Huallasaurus
Extinct genus of dinosaurs
between hadrosaurids and iguanodontids. They placed their new genus in Hadrosauridae, as the earliest known hadrosaurid. The etymology of the generic name
Cedrorestes
Extinct genus of dinosaurs
Bardet, N.; Jalil, N.-E. (2024). "A new small duckbilled dinosaur (Hadrosauridae: Lambeosaurinae) from Morocco and dinosaur diversity in the late Maastrichtian
Telmatosaurus
Dinosaur fossil with skin preserved
regularly called "mummies" were found in North America and belong to the Hadrosauridae ("duck-billed dinosaurs"), and are therefore also known as "hadrosaur
Dinosaur_mummy
Diet of extinct family of dinosaurs
Horner, John R.; Weishampel, David B.; Forster, Catherine A. (2004). "Hadrosauridae". In Weishampel, David B.; Dodson, Peter; Osmólska Halszka (eds.). The
Hadrosaur_diet
Extinct genus of dinosaur
Horner, John R.; Weishampel, David B.; Forster, Catherine A. (2004). "Hadrosauridae". In Weishampel, David B.; Dodson, Peter; Osmólska, Halszka (eds.).
Angulomastacator
Extinct genus of duckbilled dinosaurs
"Variation in nasal crest size of Brachylophosaurus canadensis (Dinosauria: Hadrosauridae): Ontogenetic and stratigraphic implications of a large new specimen
Probrachylophosaurus
Genus of hadrosaurid dinosaur from the Late Cretaceous period
E. A.; Gates, T. A. (2021). "A new brachylophosaurin (Dinosauria: Hadrosauridae) from the Upper Cretaceous Menefee Formation of New Mexico". PeerJ.
Ornatops
Extinct genus of dinosaurs
John R. (1992). "Cranial morphology of Prosaurolophus (Ornithischia: Hadrosauridae) with descriptions of two new hadrosaurid species and an evaluation
Anasazisaurus
Geologic formation in South Carolina, United States
formation: Appalachiosaurus montgomeriensis Saurornitholestes langstoni Hadrosauridae indet. Ornithomimosauria indet. Earth sciences portal Paleontology portal
Donoho_Creek_Formation
Extinct genus of dinosaurs
Cope, 1874; included with Thespesius occidentalis by Cope, dubious at Hadrosauridae family level. A. monoclonius Breithaupt, 1994; nomen dubium included
Agathaumas
Extinct genus of dinosaurs
phylogenetic relationship of Edmontosaurus and Shantungosaurus (Dinosauria: Hadrosauridae) from the Upper Cretaceous of North America and East Asia". Acta Geologica
Kundurosaurus
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