The dinosaurs were a family of reptiles which lived on the earth millions of years ago. About 400 types of dinosaur have been identified. Dinosaurs ranged in size from about as big as a pigeon to twice the height of a giraffe. It is estimated that dinosaurs lived for between 70 and 130 years, and unusually continued growing for their entire life. The first description of a dinosaur was given in the book 'The Natural History of Oxfordshire' by Dr Robert Plot published in 1677, in which he included a drawing of a thighbone which he claimed came from a giant man, subsequently it has been identified as the thighbone of the dinosaur Megalosaurus. Research Dinosaur
Megalosaurus was a large carnivorousdinosaur from the Jurrasic period. Remains were first found in 1818 in slate mines in Oxfordshire, England. Megalosaurus was about nine metres long and walked on its hind legs, each of which had a foot furnished with four toes each with a strong claw. The arms were furnished with hands with three fingers. Twenty distinct species of Megalosaurus have been discovered in rocks spanning 100 million years. Research Megalosaurus
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Matt and Leela Probert
Abbreviations
Research Dinosaur
