Mined from: Hell Creek Formation, South Dakota, USA

Era: Cretaceous
Geological Age: 66-68 mya

Description: These are authentic Tyrannasaurus bone fragments. The Tyrannasaurus Rex was an apex predator that would prey on herbivores and other dinosaurs. Their head and teeth had evolved which gave them an extremely strong bite with nearly 8,000lbs of force. The Tyrannosaurus was one of the largest land carnivores of all time , being around 42 feet long and 12 feet high. Tyrannasaurus had bones that had a hard cortical outside with a hollow spongy marrow center.

Approximate size for 1 pc: 30mm x 10mm x 3mm
Approximate weight for 1 pc: 2g

We do our best to buy quality products- although not every rock is the same. If you choose to purchase the "staff pick option", we will select the best of the batch for you. Otherwise, it will be at random from the larger batch we have in stock.