Hadrosaur Caudal (Tail) Vertebra | Judith River Formation | Montana Cretaceous Stable isotope analysis supports its

Stable isotope analysis supports its diet as primarily C3 plants typical of cold

Compared to more colorful petrified woods

It’s named after mineralogist George Frederick Kunz

Chemically

Emptying the wastebasket: a historical and taxonomic revision of the Jurassic crocodylomorph Steneosaurus

Hadrosaur Caudal (Tail) Vertebra | Judith River Formation | Montana Cretaceous Stable isotope analysis supports itsHadrosaur 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