Engineers on the Isle of Wight were in for a surprise this week, after stumbling across impressively well-preserved dinosaur footprints. 

The prints were discovered by accident in Yaverland, during excavation work which was being carried out to boost sea defences. 

The three-toed tracks are believed to belong to a 125 million-year-old creature called a mantellisauraus. 

Mantellisaurus measured an impressive 23ft-long (seven metres) when it roamed Britain, according to experts from the Dinosaur Isle Museum in Sandown. 

‘A fully-grown mantellisaurus would have been almost twice the length of an average car, marching a slow thunder with huge strides that have clearly left their mark on time,’ said Dr Martin Munt, curator of the  museum.

Engineers on the Isle of Wight were in for a surprise this week, after stumbling across impressively well-preserved dinosaur footprints

The three-toed tracks are believed to belong to a 125 million-year-old creature called a mantellisauraus (artist’s impression)

Engineers at the Environment Agency made the discovery during excavation work to improve flood defences near the beachside cafe in Yaverland.

Relics and fossils are often found in the Isle of Wight.

It is believed the mantellisaurus weighed 1,653lbs (750kg) and unlike many other breeds of dinosaurs, it walked around on its hind legs.

‘We cannot be totally sure about a print’s identity, but the three-toed feet makes it likely a mantellisaurus was here, not just in other parts of the south coast where they were more common – or that’s what we thought until now,’ Dr Munt said.  

The engineers who uncovered the footprints were on site to work up plans to improve flood defences for more than 600 properties in Shanklin and Yaverland.

Whilst working, they did not expect to make the dinosaur discovery.

‘Dinosaurs existing right where our team is working brings old and new together – the modern challenges of combating climate change with a period of time we can only imagine,’ said Nick Gray, the Environment Agency’s flood and coastal-risk manager for the Solent and South Downs area.

‘We’ve all read the stories and seen the films, but this gives us just a hint of what life was like.’

The engineers who uncovered the footprints were on site to work up plans to improve flood defences for more than 600 properties in Shanklin and Yaverland 

Experts hope the finding will cement the Isle of Wight as Britain’s dinosaur capital.

Stuart Noon, heritage leader for JBA consulting,added ‘This represents a hugely important and significant discovery for the project, as finding the new footprints makes it clear that the land on which the dinosaurs walked is likely to stretch the whole length of Yaverland beach.

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‘The latest capture cements the Isle of Wight as Britain’s dinosaur capital.’

The discovery comes shortly after the remains of what may be the largest predatory dinosaur ever found in Europe were unearthed on the Isle of Wight.

Paleontologists say the huge crocodile-faced dinosaur – which at 32.8ft (10 metres) long almost as big as a London Bus – lived 125 million years ago and would have weighed several tonnes.

The ‘giant killer’ was a member of the spinosaurids, the first dinosaurs known to swim, so may have been able to hunt in the water as well as on land.

It would have lived at the beginning of a period of rising sea levels and would have stalked lagoonal waters and sandflats in search of food.