Or lower Tertiary formation containing fossils of Dinosaurs and Mosasaurs, and in the museum of the university of Montana is the greater part of the skeleton of a Dinosaur which was found here.
- Carnivorous dinosaur Allosaurus o f the U mal closely related to the Me alosaurus (Allosaurus) pper Jurassic period of North America, an anit type of England.
4) was found nearly complete in the beds of the Morrison formation, Upper Jurassic of central Wyoming, U.S.A. Near it was discovered the posterior portion of the skeleton of a giant herbivorous dinosaur (Brontosaurus Marsh).
This proved that the great herbivorous dinosaur had been preyed upon by its smaller carnivorous contemporary.
Teeth of the carnivorous dinosaur scattered among the bones of the herbivorous dinosaur completed the line of circumstantial evidence.
Successive discoveries gradually revealed the world of extinct Reptilia; in 1821 Charles Konig (1784-1851), the first keeper of the mineralogical collection in the British Museum, described Ichthyosaurus from the Jurassic; in the same year William Daniel Conybeare (1787-1857) described Plesiosaurus; and a year later (1822) Mosasaurus; in 1824 William Buckland described the great carnivorous dinosaur Megalosaurus; while Gideon Algernon Mantell (1790--1852) in 1848 announced the discovery of Iguanodon.