Genre

Valide Éteint

Kritosaurus

Brown 1910

Kritosaurus est un genre fossile de dinosaures ornithopodes de la famille des Hadrosauridae. Il a vécu en Amérique du nord à la fin du Crétacé supérieur, Campanien et Maastrichtien, soit il y a environ entre 83,6 à 66,0 millions d'années (Ma).

Plage temporelle

Trias

Jurassique

Crétacé

Paléogène

Néogène

252 201 145 66 0 Ma

Occurrences PBDB

Groupe

Dinosaures

Herbivore Vivant au sol, grégaire Terrestre

cliquer pour agrandir

Kritosaurus navajovius skull © Ryan Somma · CC BY-SA 2.0 · Wikimedia

Légende en anglais — traduction française non disponible.

PBDB ↗ Wikipedia ↗

Classification

Dinosauria Clade non classé

›

Ornithischia Clade non classé

›

Neornithischia Clade non classé

›

Pyrodontia Clade non classé

›

Cerapoda Clade non classé

›

Ornithopoda Sous-ordre

›

Iguanodontia Infraordre

›

Euiguanodontia Clade non classé

›

Dryomorpha Clade non classé

›

Ankylopollexia Clade non classé

›

Styracosterna Clade non classé

›

Hadrosauriformes Clade non classé

›

Hadrosauroidea Clade non classé

›

Hadrosauridae Famille

›

Hadrosaurinae Sous-famille

›

Kritosaurini Tribu

›

Kritosaurus Genre

Sites de découverte 25 sites géolocalisés

Répartition

Principaux pays

🇺🇸 États-Unis

🇨🇦 Canada

Formations géologiques

Kirtland

Fruitland

Fruitland/Kirtland

Aguja

Milk River

Javelina

Judith River

Distribution temporelle

Maastrichtien (72.2–66 Ma)

Campanien (83.6–72.2 Ma)

Santonien (85.7–83.6 Ma)

Espèces (2)

Kritosaurus horneri

Kritosaurus navajovius 84 Ma

Bibliographie

Description originale

B. Brown. 1910. The Cretaceous Ojo Alamo beds of New Mexico with description of the new dinosaur genus <i>Kritosaurus</i>. Bulletin of the American Museum of Natural History 28(24):267-274

Bibliographie (10)

T. M. Lehman, S. L. Wick, and J. R. Wagner. 2016. Hadrosaurian dinosaurs from the Maastrichtian Javelina Formation, Big Bend National Park, Texas. Journal of Paleontology 90(2):333-356 DOI ↗

R. M. Sullivan and S. G. Lucas. 2014. Stratigraphic distribution of hadrosaurids in the Upper Cretaceous Fruitland, Kirtland, and Ojo Alamo formations, San Juan Basin, New Mexico. Hadrosaurs

S. G. Lucas, N. J. Mateer, and A. P. Hunt, F. M. O.'Neill. 1987. Dinosaurs, the age of the Fruitland and Kirtland Formations, and the Cretaceous-Tertiary boundary in the San Juan Basin, New Mexico. J. E. Fassett and J. K. Rigby, Jr. (eds.), The Cretaceous-Tertiary Boundary in the San Juan and Raton Basins, New Mexico and Colorado, Geological Society of America Special Paper 209:35-50 DOI ↗

K. L. Davies. 1983. Hadrosaurian Dinosaurs of Big Bend National Park, Brewster County, Texas.

J. G. Armstrong-Ziegler. 1978. An aniliid snake and associated vertebrates from the Campanian of New Mexico. Journal of Paleontology 52(2):480-483

B. S. Kues, J. W. Froehlich, and J. A. Schiebout, S. G. Lucas. 1977. Paleontological survey, resource assessment, and mitigation plan for the Bisti-Star Lake Area, northwestern New Mexico. Report to the Bureau of Land Management, Albuquerque, New Mexico

R. S. Lull and N. E. Wright. 1942. Hadrosaurian dinosaurs of North America. Geological Society of America Special Paper 40:1-242 DOI ↗

L. S. Russell. 1935. Fauna of the upper Milk River Beds, southern Alberta. Transactions of the Royal Society of Canada, series 3 4(29):115-128

C. W. Gilmore. 1916. Contributions to the geology and paleontology of San Juan County, New Mexico. 2. Vertebrate faunas of the Ojo Alamo, Kirtland and Fruitland Formations. United States Geological Survey Professional Paper 98-Q:279-302 DOI ↗

B. Brown. 1910. The Cretaceous Ojo Alamo beds of New Mexico with description of the new dinosaur genus <i>Kritosaurus</i>. Bulletin of the American Museum of Natural History 28(24):267-274