Like many other dinosaurs of the Late Cretaceous period, The Hadrosaur was a large reptile. These massive herbivores grew to 23-26 feet in length, and weighed about 3 tons on average. They were set apart from other larger dinosaurs by their elongated forelimbs, which allowed this dinosaur to move between bipedal and quadrupedal movement. There seems to be some conjecture about exactly how digitized their forelimbs actually were, but one thing is for sure – Hadrosaur was basically the cow of the dinosaur world. They had very little in the way of build-in defense. So Hadrosaur had to be on the lookout for larger predators, which were much more prolific during his day than ours.

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About This Fossil

The cervical vertebrae is a piece of the backbone that wraps around the spinal cord, and is situated in the neck. This one is in fair condition with a good look at the underlying structure of the bone surface. There are repaired cracks, primarily at the bases of the prezygapophyses and postzygapophyses. And a small portion of the centrum remains intact.

Name:	Hadrosaur (Edmontosaurus Annectens)
Fossil Type:	Cervical Vertebral Arch
Age:	66 – 80 Million Years, Late Cretaceous
Location:	Lance (Creek) Formation, Niobrara County, Wyoming
Size:	3.9 inches