Hadrosaur Vertebra (Cervical?) | Judith River Formation | Montana wooly mammoth Order Lepisosteiformes

Order Lepisosteiformes

Some areas are see through not because of thinness but because of the stunning clarity of the Argentinian Blue Calcite

include 10 modern species

and are arranged in whorls of 10-20

Hadrosaur Vertebra (Cervical?) | Judith River Formation | Montana wooly mammoth Order LepisosteiformesHadrosaur 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