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Fossils may be found either associated with a geological formation or at a single geographic site. Geological formations consist of rock that was deposited during a specific period of time. They usually extend for large areas, and sometimes there are different important sites in which the same formation is exposed.
Six small non-avian dinosaur eggs, no bigger than grapes, were discovered during a field study in Ganzhou, China, in 2021. These eggs now mark the smallest-ever found in the world.
The Late Jurassic Morrison Formation is found in several U.S. states, including Colorado, Utah, Wyoming, Montana, New Mexico, Oklahoma, South Dakota, and Texas. It is notable as being the most fertile single source of dinosaur fossils in the world. The roster of dinosaurs from the Morrison is impressive.
Tracks of 2 dinosaurs found in Oxfordshire. Scientists were able to date the tracks to the middle of the Jurassic Period, around 166 million years ago.
It was an extremely important find: Hadrosaurus was one of the first nearly complete dinosaur skeletons found (the first was in 1834, in Maidstone, England), and it was clearly a bipedal creature. This was a revolutionary discovery as, until that point, most scientists had believed dinosaurs walked on four feet, like other lizards.
This article originally appeared on USA TODAY: Watch video of 166-million-year-old 'dinosaur highway' found in England. Show comments. Advertisement. Advertisement. In Other News. Entertainment.
It is notable for being the most species-rich dinosaur genus; At least eight extinct species are recognized from fossils found in different regions of China and Mongolia, with possible additional species from Thailand and Russia. All species of Psittacosaurus were gazelle-sized bipedal herbivores characterized by a high, powerful beak on the ...
The small reptile would have likely roamed the land of what is today southern Brazil, when the world was much hotter. The fossil has been identified as a new silesaurid, an extinct group of reptiles.