Millions of years ago, a predator like spinosaurus (shown in the background of this artist's illustration) ate the filter-feeding pterosaur Barikibu waridza, and then puked up its meal, which later ...
Add Yahoo as a preferred source to see more of our stories on Google. The vomit likely came from one of two potential carnivorous dinosaur species. Approximately 290 million years ago, a carnivorous ...
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