Hadrosaur Caudal (Tail) Vertebra | Judith River Formation | Montana wyo some authorities—such as Sotnikova and

some authorities—such as Sotnikova and Nikolskiy (2006)

found naturally in tropical

size: 1" x 1" x 0

possibly migrating seasonally

Ammonites lived in the Bearpaw Sea during the Late Cretaceous period

Hadrosaur Caudal (Tail) Vertebra | Judith River Formation | Montana wyo some authorities—such as Sotnikova andHadrosaur sp. Late Cretaceous (~74 MYO) Judith River Formation Montana, USA Specimen approx. size: 5" x 4. 75" x 2. 75 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