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Scottish scientists identify prehistoric reptile Dearcmhara shawcrossi

A GIANT prehistoric reptile that trawled the waters off Scotland 170 million years ago has been identified by scientists. Could it be an ancestor of the elusive Loch Ness Monster?

Scientists described the ichthyosaur as a reptile version of a dolphin. Dearcmhara shawcrossi. Artist: Todd Marshall/ PA
Scientists described the ichthyosaur as a reptile version of a dolphin. Dearcmhara shawcrossi. Artist: Todd Marshall/ PA

A GIANT prehistoric reptile that patrolled the waters off Scotland 170 million years ago has been identified by scientists.

The creatures, which resembled a menacing dolphin and grew up to four metres long, were identified by fossils from the Isle of Skye in northwest Scotland.

A team led by Edinburgh University scientists have named the new species Dearcmhara shawcrossi in honour of Brian Shawcross, an amateur fossil collector who gathered many of the fossils in 1959.

These were later donated to a museum, allowing scientists to study them and identify the new species.

They studied fossil fragments of skulls, teeth, vertebrae and an upper arm bone and determined several of the fossils came from ichthyosaurs, including Dearcmhara shawcrossi, which was a previously unknown species.

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Fact or fiction? ... The Daily Mail newspaper's famous 1933 picture of Nessie, the Loch Ness Monster. Pic: Scotland Travel
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A description of the creature appears in the Scottish Journal of Geology.

Dearcmhara, pronounced “jarkvara”, is Scottish Gaelic for marine lizard.

“During the time of dinosaurs, the waters of Scotland were prowled by big reptiles the size of motor boats,” said Steve Brusatte of Edinburgh University’s School of GeoSciences.

“Their fossils are very rare and only now, for the first time, we’ve found a new species that was uniquely Scottish.”

Scotland’s most famous reptile, real or imaginary, is the Loch Ness monster, the myth of which draws thousands of visitors a year to Loch Ness in northern Scotland.

Throughout the Jurassic Period, much of Skye was under water.

It was joined to the rest of the UK and part of a large island positioned between landmasses that drifted apart to become Europe and North America.

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Original URL: https://www.news.com.au/technology/science/evolution/scottish-scientists-identify-prehistoric-reptile-dearcmhara-shawcrossi/news-story/e966fe827a15e861225229c384d6ad07