Kritosaurus Bone - 1.993" rockinaboxartifact 000 years ago) - "The

000 years ago) - "The Great Dying" is the largest extinction event in the history of the planet

Each word has been individually removed from a 1987 handwritten letter on 26-year old Diana's Kensington Palace stationery

552" piece of fossilized Raptor Bone from the Hell Creek Formation

Above: A Large tooth in hand

23" polished Cleoniceras fossil from Madagascar

Kritosaurus Bone - 1.993" rockinaboxartifact 000 years ago) - "TheThe mighty hadrosaurs were some of the most successful herbivores of the Cretaceous Period. The "duck bills" these dinosaurs are known for were not actually beaks but hundreds of small teeth, helping them chew through even the toughest vegetation. This specimen is a fossilized bone section from the Kritosaurus genus of the Hadrosaurid family. It measures 1. 993" and dates to around 77 million years ago.