Beachcombers and fossil hunters will be all too aware of the sometimes heavy process of bring forth your eye in when searching for ossified shark ’ teeth or the witness marks of anammonite . It seems for Lily Wilder , four yr quondam , from Barry , South Wales , the skill do easily . The young fossilist was the first to spy a 220 - million - class - erstwhile dinosaur footprint while on a walk in January . The discovery stand for a very of import specimen academically speaking , as it was made at an early level in the evolution of dinosaur when the dissimilar groups were first diversify .

The footmark is remarkably well preserved , and it ’s hop it may reveal insights that could help scientists to establish a clearer picture as to how dinosaur walked . It was constitute embedded in a loose block of fossilized desert clay near the sea at Bendricks Bay , an constitute hotspot for dinosaur andancient crocodilianfootprints .

Suspecting the novel uncovering was a new addition to the part ’s famous footprint , Wilder and her family reached out to curator Cindy Howells from Amgueddfa Cymru , theNational Museum of WalesPalaeontology department . No stranger to the Bay ’s footprints , Howells described the Wilder ’s find as the best specimen ever establish in the area . The step is clear enough to show individual pads and even pincer feeling , which could reveal new information about the early morphology of dinosaur foot

It ’s not potential to determine what kind of dinosaur left the print , but the specimen ’s shape places it within a group of print known asGrallator : a common eccentric of small , three - toed prints that are thought to have been leave by a range of two-footed theropod dinosaurs . At 10 centimeters ( 3.9 inches ) long , it ’s estimated the tool that   made   the mark was around 75 centimeters ( 29.5 inches ) tall and 2.5 meters ( 8.2 ft ) long . Such dinosaurs most in all probability walked on their two hind feet , a modest piranha hunting small animals and insects .

Natural Resources Wales made a special asking to be let to take away the footmark for analysis , as the beach where it was find is legally protected as a Site of Special Scientific Interest . After permit was granted , the fossil was elicit to be drive home to National Museum Cardiff , where it will be study and protected .

“ This fossilised dinosaur footprint from 220 million years ago is one of the best - uphold examples from anywhere in the UK and will really aid fossilist to get a estimable estimation about how these former dinosaurs walk , ” said Howells in apress release . “ During the Covid pandemic scientists from Amgueddfa Cymru have been highlight the grandness of nature on people ’s doorstep and this is a complete good example of this . Obviously , we do n’t all have dinosaur footprints on our doorsill but there is wealth of nature local to you if you take the time to really look close enough . ”