Hadrosaur Caudal (Tail) Vertebra | Judith River Formation | Montana clear flint was also used to

flint was also used to create sparks and thus

natural glass formed from terrestrial debris ejected during a meteorite impact

It had a more elongated body and limbs compared to earlier equids like Eohippus (Hyracotherium)

Its modes of formation and relationship to calcite are both curious and intriguing

Hadrosaur Caudal (Tail) Vertebra | Judith River Formation | Montana clear flint was also used toHadrosaur sp. Late Cretaceous (~74 MYO) Judith River Formation Montana, USA Specimen approx. size: 3. 5" x 3" x 2. 25" The vertebral fractures are a result of geologic processes, which have been remedied through the use of glue for stabilization. Hadrosaurs, often called "duck billed dinosaurs," are a family of ornithopod dinosaurs (family Hadrosauridae) that thrived during the Late Cretaceous period. They are among the most well known and successful