Rare Edmontosaurus Dinosaur Limb Fossil Bone with Metal Stand, Hell Creek Formation, Maastrichtian Upper Cretaceous, Harding County USA

Description

Authentic Edmontosaurus Dinosaur Limb Bone – Hell Creek Formation, South Dakota

This exceptional Edmontosaurus limb bone fossil comes from the world-famous Hell Creek Formation of Harding County, South Dakota, USA, dating to the Maastrichtian Stage of the Upper Cretaceous (approximately 66–70 million years ago). Mounted on a custom metal display stand, this genuine specimen represents an extraordinary remnant of one of the last great herbivorous dinosaurs to walk the Earth before the Cretaceous–Paleogene extinction event.

Geological and Depositional Background

The Hell Creek Formation is one of the most scientifically significant fossil-bearing formations on the planet, recording the final chapter of the dinosaur era. It stretches across parts of Montana, North Dakota, South Dakota, and Wyoming, representing sedimentary deposits formed in fluvial, floodplain, and deltaic environments.

These sediments, consisting primarily of sandstones, siltstones, and mudstones, were laid down in ancient river systems that meandered through subtropical lowlands filled with rich vegetation. This environment supported a complex ecosystem that included Tyrannosaurus rex, Triceratops, Edmontosaurus, and many other iconic Late Cretaceous species.

Fossils from the Hell Creek Formation are particularly prized for their preservation and scientific importance. The Maastrichtian Stage represents the very end of the Cretaceous Period — a time just before the mass extinction that reshaped life on Earth. The fine-grained nature of the formation’s sediments allowed for excellent fossil preservation, capturing exquisite detail in bone texture and mineralisation.

This limb bone specimen displays the dense cortical structure and robust morphology typical of large hadrosaurid bones. Its surface detail, mineral replacement, and natural coloration clearly reflect its long burial and fossilisation within the iron- and silica-rich sediments of the Hell Creek Formation.

Edmontosaurus – The Majestic Hadrosaur of the Late Cretaceous

Edmontosaurus, meaning “lizard from Edmonton,” belonged to the family Hadrosauridae, within the order Ornithischia. It was a large, herbivorous duck-billed dinosaur, often reaching lengths of up to 12 metres. Known for its flat, elongated skull and broad beak, Edmontosaurus was a highly efficient plant-eater, capable of processing tough vegetation using hundreds of tightly packed grinding teeth.

This limb bone comes from a powerful and weight-bearing part of the skeleton, showing the impressive bone density required to support the dinosaur’s massive body. As one of the last surviving hadrosaurids of the Cretaceous, Edmontosaurus shared its environment with apex predators like Tyrannosaurus rex, coexisting in the lush river valleys of what is now North America.

Its remains have been found in association with preserved skin impressions and nesting sites, suggesting a complex life history and potential herd behaviour. This fossil provides a direct connection to these ancient giants, bridging the gap between science and natural art.

Display, Provenance, and Authenticity

The fossil is securely mounted on a custom metal stand, allowing stable and elegant display from multiple angles. Its natural curvature, surface detail, and striking preservation make it a commanding centrepiece for collectors, educational institutions, or museum settings.

The scale cube (1 cm) visible in the photograph provides accurate size reference, and the image shows the exact specimen you will receive.

Every fossil we offer is 100% genuine, never cast or replicated, and is accompanied by a Certificate of Authenticity verifying its identity and provenance.

This Edmontosaurus limb bone fossil from the Hell Creek Formation is a true collector’s treasure — an authentic fragment of Late Cretaceous history that captures the strength, grace, and legacy of one of Earth’s final great dinosaurs.