Could Spinosaurus swim? A new fossil with a scimitar-like head crest provides new evidence on the unsettled question.
WASHINGTON, Feb 6 : Footprints are among the most common kind of dinosaur fossils. Sometimes scientists find a single, lonely footprint. Sometimes they come across a chaotic jumble of tracks ...
FILE PHOTO: Paleontologist Sebastian Apesteguia measures a footprint made by a meat-eating dinosaur some 80 million years ago at the Maragua Syncline, Bolivia, July 21, 2016. REUTERS/David ...
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