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During the decades after Darwin published, field geologists and paleontologists have gone on to uncover and discover thousands and thousands of fossils. They have uncovered an astonishing number of ancient dinosaurs, an overwhelming assortment of long-gone mammals, and an uncountable number of sea creature fossils. Just two years after Darwin expressed his concern about the missing fossils, the famous fossil of the birdlike Archaeopteryx was found in Germany, and thatβs just one example. Later, fossil hunters found a whole range of human ancestors, including Sahelanthropus tchadensis, which may in fact be a shared ancestor with chimps as well.
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