XL 6.5" Edmontosaurus Fossil Pelvis Bone Lance Creek Cretaceous Dinosaur WY COA
Location: Lance Creek Formation, Wyoming (Private Land Origin)
Weight: 1 Pound 7.4 Ounces
Dimensions: 6.5 Inches Long, 4.4 Inches Wide, 3.3 Inches Thick
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The item pictured is the one you will receive.
This is a genuine fossil bone, not a replica
Edmontosaurus, meaning "lizard from Edmonton," was a hadrosaurid dinosaur that lived during the Maastrichtian stage of the late Cretaceous period, approximately 71 to 65 million years ago. Adults could grow up to nine meters in length, with some larger specimens reaching as much as thirteen meters. Weighing around 3.5 tonnes, Edmontosaurus ranked among the largest hadrosaurid species.
The Edmontosaurus could manipulate tough plant material across its teeth using strong, flexible cheek pouches. Its mouth contained tightly packed rows of up to sixty teeth, which were constantly replaced throughout its life, similar to sharks. The upper jaw bones flexed outward while the lower jaw raised, enabling effective grinding. Fossils reveal that its diet included conifer needles, seeds, and twigs, identifying it as a tree browser. A significant 1908 Wyoming discovery preserved fossilized skin impressions, showing it had scaly, leathery skin and thigh muscles positioned beneath the skin. This anatomy contributed to its duck-like appearance, along with bumpy tubercles along its neck, back, and tail.
Edmontosaurus was bipedal but could surely have walked on four legs. The forelimbs are shorter than the hindlimbs, but not so much that four-legged motivation was unfeasible. The front feet also had hooves on two fingers, and weight-bearing pads like folks of Camarasaurus. The rear feet had two toes, and all were hooked. The bone arrangement in the lower limbs suggests that both the legs and feet were attached to very influential muscles. The spine curved downwards at the shoulders, so Edmontosaurus would have had a low posture and would have browsed close to the ground. Despite the power of its limbs, Edmontosaurus would only have been slow-moving and had few defensive features. To survive, it must have had keen eyesight, hearing, and smell to get an early warning of predators.
