The Dorset County Museum in England has revealed what is regarded as the largest and the best preserved fossils of a sea monster on July 8, 2011.

Unveiled by famous natural history film-maker, Sir David Attenborough, the 2.4 meter long skull is believed to be 155 million years old and identified as a pliosaur.

Pliosaurs are a variety of plesiosaur characterized by a short neck, a crocodile-like head and dagger-like teeth.

The skull was recovered by amateur collector Kevan Sheehan between 2003 and 2008 as it was washed out of a landslide on the coast in Weymouth Bay. Later, Dorset County Council's museums service purchased the specimen with support from the Heritage Lottery Fund Collecting Cultures programme and from Dorset and Devon county councils.

We are delighted to house such a world-class discovery at Dorset County Museum and the Weymouth Bay pliosaur is now a fitting centerpiece in our ever-popular Jurassic Coast gallery, stated Jon Murden, Director of Dorset County Museum.

Showcased under the theme, The World's Biggest Bite, the collection also features are interesting displays put together by the Jurassic Coast team and Dorset County Museum.

Check out the unique visuals of the discovery below:

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Worlds largest pre-historic Sea Monster skull found.
The Dorset County Museum in England has revealed what is regarded as the largest and the best preserved fossils of a sea monster on July 8, 2011. Dorset County Council Jurassic
Worlds largest pre-historic Sea Monster skull found.
The Dorset County Museum in England has revealed what is regarded as the largest and the best preserved fossils of a sea monster on July 8, 2011. Dorset County Council Jurassic
Worlds largest pre-historic Sea Monster skull found.
The Dorset County Museum in England has revealed what is regarded as the largest and the best preserved fossils of a sea monster on July 8, 2011. Dorset County Council Jurassic
Worlds largest pre-historic Sea Monster skull found.
An artist's impression shows the 15 metre (50 ft) long "sea monster" found in Arctic Norway that was the biggest of its kind known to science. Reuters.
Worlds largest pre-historic Sea Monster skull found.
An artist's impression shows the 15 metre (50 ft) long "sea monster" (bottom) found in Arctic Norway, that was the biggest of its kind known to science, when compared to a killer whale (top), a blue whale (center) and a human diver. Reuters.
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