Recently, some of the oldest skeletons to be found in Wyoming have been discovered. These fossils, which are believed to be 2.8 million years old, were found in the La Prele Formation near the city of Casper. This is the first time that any fossils of this age have been found in the state and it is remarkable that they were discovered in such good condition. The fossils provide a window into the lives of our distant ancestors and help to build a more complete picture of our evolutionary history.

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source: Phys.org