This is an authentic Edmontosaurus jaw section from the Hell Creek Formation of Montana, dating to the Late Cretaceous approximately 68–66 million years ago. Edmontosaurus was one of the largest and most abundant hadrosaurs of its time — a massive duck-billed herbivore that roamed the coastal plains and river systems of Late Cretaceous North America in vast herds, reaching lengths of up to 40 feet.

This specimen measures 1.57 inches and has received no repairs or restoration, preserving its complete fossil integrity. Hadrosaur jaws housed remarkable dental batteries — tightly packed rows of hundreds of teeth designed to grind tough Cretaceous vegetation. These sophisticated chewing mechanisms made hadrosaurs among the most efficient herbivores of the Mesozoic Era, capable of processing cycads, conifers, and flowering plants with remarkable efficiency.

Jaw material from Edmontosaurus offers direct insight into the feeding apparatus of these successful dinosaurs, which shared their Hell Creek ecosystem with Tyrannosaurus rex, Triceratops, and Ankylosaurus — representing one of the last great dinosaur communities before the K-Pg mass extinction event that ended the Mesozoic Era.

Specimen Highlights:

• Type: Authentic Edmontosaurus jaw section
• Dimensions: 1.57 inches
• Condition: No repairs or restoration
• Provenance: Hell Creek Formation, Late Cretaceous (~68–66 million years ago), Montana
• Source: Acquired from a trusted paleontologist
• Authenticity Guarantee: 100% genuine dinosaur fossil

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