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The discovery that some plesiosaurs could have lived in freshwater has re-ignited the debate on Nessie.
25
The famous Scottish loch monster is often said to be a plesiosaur - but just how plausible is that?
0
Dating back 150 million years, this prehistoric reptile is the oldest creature ever found in the region.
3
Palaeontologists in Russia have discovered a huge new sea creature that lived 130 million years ago.
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Palaeontologists have uncovered the remains of a huge prehistoric predatory marine reptile.