This well-preserved and fully intact Dryosaurus altus femur fossil comes from the fossil-rich Morrison Formation in Emery County, Utah: a renowned site for Jurassic-era dinosaur discoveries across the Western United States. Dating back 145+ million years, this authentic limb bone represents a rare opportunity to own a significant piece of North America’s prehistoric past.

Dryosaurus altus was a swift, herbivorous ornithopod dinosaur, known for its long limbs and agile build. The genus name “Dryosaurus” translates to “oak lizard,” while “altus” highlights the dinosaur’s tall, lightly built frame. This femur displays excellent anatomical detail and natural preservation, making it a standout acquisition.