Dr Brian Pickles from the University of Reading was leading a search of Dinosaur Provincial Park in Alberta, Canada, when a volunteer crew member named Teri Kaskie noticed part of a fossil skeleton protruding from a hillside.
The foot and tail, complete with fossilised skin, had been found of a hadrosaur - a large, plant-eating, duck-billed species.
It is sitting in a way that suggests the entire skeleton may be preserved within the hill, researchers have revealed.
Dr Pickles said: “This is a very exciting discovery and we hope to complete the excavation over the next two field seasons.
Close-up details of ankle bones with skin impressions of the hadrosaur. (Image credit: Brian Pickles, University of Reading)
“Based on the small size of the tail and foot, this is likely to be a juvenile.
“Although adult duck-billed dinosaurs are well represented in the fossil record, younger animals are far less common.
“This means the find could help palaeontologists to understand how hadrosaurs grew and developed.”
As entire skeletons are very rare, the specimen is likely to provide information about what the dinosaur looked like and its anatomy.
The fossil was discovered during a field school scouting visit in 2021.
Dr Caleb Brown, from the Royal Tyrrell Museum, said: “Hadrosaur fossils are relatively common in this part of the world but another thing that makes this find unique is the fact that large areas of the exposed skeleton are covered in fossilised skin.
“This suggests that there may be even more preserved skin within the rock, which can give us further insight into what the hadrosaur looked like.”
It may take several months to collect the entire skeleton, and once the fossil is collected it will be delivered to the Royal Tyrrell Museum’s Preparation Lab, where technicians will work to uncover the fossil.
They will determine how well-preserved it is, whether the entire skeleton is there, and how much of the skin is preserved.
Identifying the exact species of duck-billed dinosaur will only be possible if a skull is discovered.
Based on the size and preservation of the specimen, fully preparing it for research and display may take several years.
This year the first international palaeontology field school is taking place, involving academics and students from the University of Reading and the University of New England in Australia.
In collaboration with the Royal Tyrrell Museum in Canada the team is working together to excavate the skeleton while protecting the exposed fossil.
