Species
Valid Extinct

Edmontosaurus annectens

(Marsh 1892)

No Wikipedia summary available.

Temporal range
Triassic
Jurassic
Cretaceous
Paleogene
Neogene
252 201 145 66 0 Ma
PBDB occurrences
30
Group
Dinosaures
Herbivore Ground dwelling, gregarious Terrestrial
Classification
Dinosauria Unranked clade
Ornithischia Unranked clade
Neornithischia Unranked clade
Pyrodontia Unranked clade
Cerapoda Unranked clade
Ornithopoda Suborder
Iguanodontia Infraorder
Euiguanodontia Unranked clade
Dryomorpha Unranked clade
Ankylopollexia Unranked clade
Styracosterna Unranked clade
Hadrosauriformes Unranked clade
Hadrosauroidea Unranked clade
Hadrosauridae Family
Hadrosaurinae Subfamily
Edmontosaurini Tribe
Edmontosaurus Genus
Edmontosaurus annectens Species
Fossil sites 30 geolocated sites
Distribution
Top countries
🇺🇸 United States
26
🇨🇦 Canada
4
Geological formations
Lance
11
Temporal distribution
Maastrichtian (72.2–66 Ma)
29
Campanian (83.6–72.2 Ma)
1
Synonyms (4)
Anatosaurus copei subjective synonym of Edmontosaurus annectens
Edmontosaurus edmontoni subjective synonym of Edmontosaurus annectens
Edmontosaurus saskatchewanensis subjective synonym of Edmontosaurus annectens
Trachodon longiceps subjective synonym of Edmontosaurus annectens
Bibliography
Original description
O. C. Marsh. 1892. Notice of new reptiles from the Laramie Formation. American Journal of Science 43:449-453 DOI ↗
Bibliography (24)
T. C. Wyenberg-Henzler and J. B. Scannella. 2026. Behavioral implications of an embedded tyrannosaurid tooth and associated tooth marks on an articulated skull of Edmontosaurus from the Hell Creek Formation, Montana. PeerJ 14(4443):e20796:1-32 DOI ↗
C. Libke, P. R. Bell, and C. M. Somers, R. C. McKellar. 2022. New scale type from a small-bodied hadrosaur in the Frenchman Formation of southern Saskatchewan: potential implications for integumentary diversity in Edmontosaurus annectens. Cretaceous Research 136(105215) DOI ↗
W. W. Stein. 2021. The paleontology, geology and taphonomy of the Tooth Draw Deposit; Hell Creek Formation (Maastrictian), Butte County, South Dakota. The Journal of Paleontological Sciences JPS.C.21:0001:1-108
A. A. Farke and E. Yip. 2019. A juvenile cf. Edmontosaurus annectens (Ornithischia, Hadrosauridae) femur documents a previously unreported intermediate growth stage for this taxon. Vertebrate Anatomy Morphology Palaeontology 7:59-67 DOI ↗
M. Wosik, M. B. Goodwin, and D. C. Evans. 2018. A nestling-sized skeleton of Edmontosaurus (Ornithischia, Hadrosauridae) from the Hell Creek Formation of northeastern Montana, U.S.A., with an analysis of ontogenetic limb allometry. Journal of Vertebrate Paleontology (e1398168):1-19 DOI ↗
P. V. Ullmann, A. Shaw, and R. Nellermoe, K. J. Lacovara. 2017. Taphonomy of the Standing Rock Hadrosaur Site, Corson County, South Dakota. Palaios 32:779-796 DOI ↗
A. Prieto-Márquez. 2014. A juvenile Edmontosaurus from the late Maastrichtian (Cretaceous) of North America: Implications for ontogeny and phylogenetic inference in saurolophine dinosaurs. Cretaceous Research 50:282-303 DOI ↗
V. Vajda, T. R. Lyson, and A. Bercovici, J. H. Doman, D. A. Pearson. 2013. A snapshot into the terrestrial ecosystem of an exceptionally well- preserved dinosaur (Hadrosauridae) from the Upper Cretaceous of North Dakota, USA. Cretaceous Research 46:114-122 DOI ↗
K. Carpenter. 2000. Evidence of predatory behavior by carnivorous dinosaurs. Gaia 15:135-144
J. W. Hoganson, J. M. Campbell, and E. C. Murphy. 1994. Stratigraphy and paleontology of the Cretaceous Hell Creek Formation, Stumpf site, Morton County, North Dakota. Proceedings of the North Dakota Academy of Sciences 48:95
D. A. Ein. 1992. A dinosaur by any other name. Lapidary Journal 46(8):24-28
J.-G. Michard. 1986. Histoire de la découverte du spécimen d'Anatosaurus (Dinosaure, Hadrosauridé) vendu au Muséum d'Histoire Naturelle de Paris en 1911 [History of the discovery of a specimen of Anatosaurus (Dinosauria, Hadrosauridae) sold to the Museum of Natural History in Paris in 1911]. Annales de Paléontologie (Vert.-Invert.) 72(2):142-154
J. S. McIntosh. 1981. Annotated catalogue of the dinosaurs (Reptilia, Archosauria) in the collections of the Carnegie Museum of Natural History. Bulletin of Carnegie Museum of Natural History 18:1-67 DOI ↗
C. Lupton, D. Gabriel, and R. M. West. 1980. Paleobiology and depositional setting of a Late Cretaceous vertebrate locality, Hell Creek Formation, McCone County, Montana. Contributions to Geology, University of Wyoming 18(2):117-126
W. J. Morris. 1970. Hadrosaurian dinosaur bills—morphology and function. Los Angeles County Museum Contributions in Science 193:1-14 DOI ↗
L. S. Russell. 1966. Dinosaur hunting in western Canada. Royal Ontario Museum, Life Sciences Contribution 70:1-37 DOI ↗
R. S. Lull and N. E. Wright. 1942. Hadrosaurian dinosaurs of North America. Geological Society of America Special Paper 40:1-242 DOI ↗
F. Drevermann. 1928. “Totenmasken” aus der Urzeit [“Death masks” from ancient times]. Bericht der Senckenbergischen Naturforschen Gesellschaft 53:199-205
C. M. Sternberg. 1926. A new species of Thespesius from the Lance Formation of Saskatchewan. Canada Department of Mines Geological Survey Bulletin (Geological Series) 44(46):73-84 DOI ↗
C. W. Gilmore. 1924. A new species of hadrosaurian dinosaur from the Edmonton Formation (Cretaceous) of Alberta. Canada Department of Mines Geological Survey Bulletin (Geological Series) 38(43):13-26 DOI ↗
H. F. Osborn. 1911. A dinosaur mummy. The American Museum Journal 11(1):6-11
J. B. Hatcher, O. C. Marsh, and R. S. Lull. 1907. The Ceratopsia. Monographs of the United States Geological Survey 49:1-198 DOI ↗
C. E. Beecher. 1902. The reconstruction of a Cretaceous dinosaur, Claosaurus annectens Marsh. Transactions of the Connecticut Academy of Arts and Sciences 11:311-324
O. C. Marsh. 1892. Notice of new reptiles from the Laramie Formation. American Journal of Science 43:449-453 DOI ↗