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It was teeth poking through the mud that caught an amateur fossil hunter's attention.

The sight led Jonathan Stewart to discover the remains of a prehistoric rhino on a Norfolk beach, after the cliffs were eroded by stormy weather.

He came across the two rows of teeth at the foot of the cliffs at West Runton beach, which are thought to belong to a species of rhino that roamed the area around 700,000 years ago.

Teeth poking through the mud (pictured) caught an amateur fossil hunter's attention and he discovered  the remains of a prehistoric rhino, including two rows of teeth, some eroded parts of the skull or jaws, and bone that could be from the ribs

Mr Stewart called in local geologist Martin Evans to save the remains before they could be washed away, because he was due to catch a flight the following morning.

Mr Evans spent a day carefully removing the fossil by covering the exposed area with plaster of Paris before cutting around it.

The remains, which were uncovered last week, date from the Cromerian interglacial period - some 700,000 years ago. The period is named after Cromer, in Norfolk.

Jonathan Stewart (pictured left) discovered the remains of a prehistoric rhino on a Norfolk beach, after the cliffs were eroded by stormy weather. Local geologist Martin Evans stepped in to carefully remove the remains (pictured right) which were at risk of being washed away

Experts are working to determine which species of rhino the bones come from, but Mr Evans thinks they are likely from to the Stephanorhinus hundsheimensis. A mounted skeleton of the ancient species is shown

They include two rows of teeth, some eroded parts of the skull or jaws, and bone that could be from the ribs.

Experts are working to determine exactly which species of ancient rhino the bones come from, but Mr Evans thinks they are likely from to the Stephanorhinus hundsheimensis species.

He said: 'They ranged across Europe and were adapted more for browsing rather than for grazing.'

One of the most complete skeletons of a mammoth ever found was uncovered on the same area of beach in 1990.

'Anything found in the West Runton Freshwater Bed is significant,' said Mr Evans, former curator of Cromer Museum.

'It is another piece in the jigsaw of what Britain was like 700,000 years ago.

'It was in danger of being washed away. I had to ensure I rescued it before the tide washed it away.'

Mr Evans, 63, who now runs a microbrewery, added: 'Mr Stewart is quite experienced in collecting fossils - I would like to see him involved in the process of analysing and preserving it.

'The ideal outcome would be for the findings to be donated to a public collection.'

Mr Stewart found a rhino bone in the same area in 2012 and Mr Evans discovered tooth rows from another rhino and an even older rhino femur in the 1980s and early 1990s.

The remains (pictured), which were uncovered last week, date from the Cromerian interglacial period - some 700,000 years ago. The period is named after Cromer, in Norfolk

One of the most complete skeletons of a mammoth ever found was uncovered on the same area of beach (pictured) in 1990. 'Anything found in the West Runton Freshwater Bed is significant,' said Mr Evans. 'It is another piece in the jigsaw of what Britain was like 700,000 years ago'