There's no conclusive evidence, but a river reputed by some to be the oldest in the world dates back 340 million years.
Researchers in China found Baminornis zhenghensis, which lived at roughly the same time as the famous Archaeopteryx but ...
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Paleontologists Discovered the Oldest Modern Bird Ever Found, Which Might Have Shared the World with a T. RexA newly unearthed 69-million-year-old fossil is shaking up long-standing debates among paleontologists about when modern ...
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