Edmontosaurus Vertebrae Collection Hell Creek Formation, South Dakota Late Cretaceous 75 Million Years Old These vertebrae belonged to Edmontosaurus, a large hadrosaur that once moved in vast herds across the floodplains of western North America. Known for its powerful tail, elongated body, and specialized dental battery, Edmontosaurus was among the last great herbivores to shape the Cretaceous landscape before the boundary event transformed the world. Recovered from the Hell Creek Formation, th

Why scientists still debate what really happened at Hell Creek

Hell Creek Formation | Fossil Record, Dinosaurs & Paleontology | Britannica

Hell Creek Formation - Alchetron, The Free Social Encyclopedia

Rockhound Roadtrip! So you’ve always wanted to dig for dinosaurs and find a Tyrannosaurus fossil? Here ya go!! Hell Creek Formation is a treasure trove of history, bones, and fun! What can you find in the Hell Creek Formation? 🦖 The Hell Creek Formation represents one of the last dinosaur-dominated ecosystems on Earth, right before the mass extinction 66 million years ago. Some of the most commonly found fossils include: Triceratops, Edmontosaurus, turtles, fish, crocodilians and a wide variety