Mesozoic Earth - Einiosaurus & White Rhinoceros compared

Location Montana, USA 72 million years ago Mean atmospheric O₂ 150% of modern level Mean atmospheric CO₂ 6x pre-industrial level Mean temperature 4°C above modern level		Geologic Time Scale Era: Mesozoic Period: Cretaceous Epoch: Late Age: Campanian

	Einiosaurus & White Rhinoceros compared An adult centrosaurine ceratopsian dinosaur of the genus Einiosaurus from 77 million years ago is compared to a modern adult White Rhinoceros (Ceratotherium simum). The Einiosaurus is 6 and a half feet tall at the shoulder and weighs 8,000 pounds, while the White Rhinoceros is 6 feet tall at the shoulder and weighs 7,000 pounds. Values are estimates only based upon available paleontological data.