Mixosaurus cornalianus, Ichthyosaurs Oviraptor The quarry was used to

The quarry was used to mine bituminous shale

They are found in the coastal surface waters of all the major oceans

presumably adding a degree of protection to the animal

its skull lacks the vaulted forehead of hyenas and other specialized bone-eating durophagous mammals

5 MYA years old

Mixosaurus cornalianus, Ichthyosaurs Oviraptor The quarry was used toMixosaurus is an extinct genus of ichthyosaur. Fossils of Mixosaurus have been found all over the world China, Timor, Indonesia, Italy, Spitsbergen, Svalbard, Canada, Alaska, and Nevada. It was named in 1887 by George H. Baur. The name means "Mixed Lizard", and was chosen because it appears to have been a transitional form between the eel shaped ichthyosaurs such as Cymbospondylus and the later dolphin shaped ichthyosaurs, such as Ichthyosaurus.