Scientists claim to have discovered a new species of dinosaur which roamed the earth 100 million years ago.
Nicknamed the Sibirosaurus, the creature is thought to be related to the giant Titanosaurs, which could grow to 40 metres and weighed up to 90 tonnes.
The find was made in Russia when experts discovered fossils encased in rocks on the banks of the Kiya River in Western Siberia in 2008.
The rocks could not be removed, so scientists from Tomsk State University extracted fragments of the fossils from the sandstone for examination.
Dr Stepan Ivantsov, a scientific researcher in the Laboratory of Mesozoic and Cenozoic Continental Ecosystems, said they originally believed the remains were of a very large herbivore.
It took many years of painstaking research to discover it was a new dinosaur.
“When we discovered this finding, it was only clear that the remains belonged to a very large herbivorous dinosaur from the sauropods group. It was the first scientifically described dinosaur from this group in Russia.
“Now after work on the extraction of all the remnants and the restoration (of the bones) almost completed, we can confidently say that we have found a new species, and maybe even genus.
“If we talk about our discovery, this dinosaur lived in the Late Cretaceous period, about 100 million years ago.”
Experts believe a dinosaur foot found at the same location in 1995 may also belong to the species.
Dr Ivantsov said: “We constantly find the remains of dinosaurs on this site, near Shestakovo village. They fall down from the steep river bank regularly and we collect them.”
Bones including part of a shoulder blade will be exhibited permanently in Paleontological Museum of Tomsk State University.
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