Hadrosaur Vertebra (Cervical?) | Judith River Formation | Montana shimmer larger grazing horses like Merychippus

larger grazing horses like Merychippus and eventually Equus

The earliest ammonites appear during the Devonian

Percopsiformes are generally small fish

Late Pleistocene epoch

Hadrosaur Vertebra (Cervical?) | Judith River Formation | Montana shimmer larger grazing horses like MerychippusHadrosaur sp. (Maiasaura?) Late Cretaceous (~74 MYO) Judith River Formation Montana, USA Specimen approx. size: 2" x 2" x 1. 5" 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 herbivorous dinosaurs. Hadrosaurs are characterized by: Broad, flattened rostrums (beak like snouts) resembling a