Hadrosaur Caudal (Tail) Vertebra | Judith River Formation | Montana Tooth León Province

León Province

featuring an elongated fourth finger

about 300 million years before dinosaurs

6 ppm iridium

Family Paraclupeidae

Hadrosaur Caudal (Tail) Vertebra | Judith River Formation | Montana Tooth León ProvinceHadrosaur 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