Edmontosaurus annectens

E364209

Edmontosaurus annectens is a large, late Cretaceous duck-billed hadrosaurid dinosaur known for its broad, flat snout and abundant fossil remains in western North America.

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All labels observed (2)

Label Occurrences
Edmontosaurus annectens canonical 6
Edmontosaurus 4

Statements (49)

Predicate Object
instanceOf hadrosaurid dinosaur
herbivorous dinosaur
ornithopod
age Maastrichtian
bodyLength approximately 9–12 meters
bodyMass approximately 3–4 metric tons
clade Dinosauria
Hadrosauriformes
Ornithischia
Ornithopoda
coexistedWith Anzu wyliei
Triceratops
surface form: Triceratops horridus

Tyrannosaurus
surface form: Tyrannosaurus rex
commonName duck-billed dinosaur
crestPresence lacked large bony cranial crest
describedBy Othniel Charles Marsh
diet herbivorous
eggType hard-shelled eggs (inferred)
extinctionEvent Cretaceous–Paleogene boundary
surface form: Cretaceous–Paleogene extinction event
family Hadrosauridae
feedingAdaptation complex chewing motion
fossilSite Frenchman Formation
Hell Creek Formation
Horseshoe Canyon Formation
Lance Formation
Scollard Formation
genus Edmontosaurus annectens self-linksurface differs
surface form: Edmontosaurus
geologicalSetting fluvial floodplain deposits
holotypeRepository Yale Peabody Museum of Natural History
jawAdaptation kinetic skull joints
laterCombination Edmontosaurus annectens self-link
livedIn Western North America
surface form: Laramidia

western North America
locomotion facultative biped
quadruped
notableSpecimen “Trachodon mummy” AMNH 5060
originalCombination Claosaurus annectens
reproduction oviparous
skinPreservation mummified skin impressions known
skinTexture scaly integument
snoutShape broad flat snout
socialBehavior likely gregarious
subfamily Hadrosauridae
surface form: Saurolophinae
tailFunction counterbalance for body
taxonRank species
timePeriod Late Cretaceous
toothType dental battery
typeLocality Lance Formation
surface form: Lance Formation, Wyoming
yearDescribed 1892

Referenced by (10)

Full triples — surface form annotated when it differs from this entity's canonical label.

Hell Creek Formation containsFossil Edmontosaurus annectens
Triceratops coexistedWith Edmontosaurus annectens
this entity surface form: Edmontosaurus
Thescelosaurus neglectus coexistedWith Edmontosaurus annectens
Edmontosaurus annectens genus Edmontosaurus annectens self-linksurface differs
this entity surface form: Edmontosaurus
Edmontosaurus annectens laterCombination Edmontosaurus annectens self-link
Pachycephalosaurus wyomingensis coexistedWith Edmontosaurus annectens
Walking with Dinosaurs 3D featuresCreature Edmontosaurus annectens
this entity surface form: Edmontosaurus
Dakotaraptor steini coexistedWith Edmontosaurus annectens
Acheroraptor temertyorum coexistedWith Edmontosaurus annectens
Makoshika State Park containsFossilsOf Edmontosaurus annectens
this entity surface form: Edmontosaurus