The very first dinosaur fossil was a thigh bone found in the year 1787 by Dr. Caspar Wistar in the US. The study of Agilisaurus fossils gives us an image of the dinosaur and also tells us a lot about the Agilisaurus Characteristics.In early 19th Century, fossils found were formally recognized as the dinosaurs. Fossils of Agilisaurus include : One almost complete specimen , parts of the left fore and hind limbs are missing.The dinosaurs first came into existence in the Triassic period of the Mesozoic era which was about 248 to 65 million years ago. The time period in which Agilisaurus lived is Jurassic and was present 168 - 161 million years ago. Agilisaurus discovery is credited to Peng Guangzhou . It was named and described in the year 1990-01-01 (1990).
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