New oviraptorosaur species discovered in Mongolia

February 6, 2019, Public Library of Science

A new oviraptorosaur species from the Late Cretaceous was discovered in Mongolia, according to a study published in February 6, 2019 in the open-access journal PLOS ONE by Yuong-Nam Lee from Seoul National University, South Korea, and colleagues.

Oviraptorosaurs were a diverse group of feathered, bird-like dinosaurs from the Cretaceous of Asia and North America. Despite the abundance of nearly complete oviraptorosaur skeletons discovered in southern China and Mongolia, the diet and feeding strategies of these toothless dinosaurs are still unclear. In this study, Lee and colleagues described an incomplete skeleton of an oviraptorosaur found in the Nemegt Formation of the Gobi desert of Mongolia.

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Unknown dinosaur almost blown to oblivion

By Victoria Gill Science reporter, BBC News

A newly discovered species of dinosaur has been identified from an extraordinarily complete Chinese fossil almost destroyed by dynamite.

It was preserved raising its beaked head, with feathered wings outstretched in the mud it was mired in when it died 72 million years ago.

The new creature has been named Tongtianlong limosus, "muddy dragon on the road to heaven".

The discovery is published in the journal Nature Scientific Reports.

"It was found at a construction site by workmen when they were dynamiting, so they nearly blasted this thing off the hillside," said University of Edinburgh palaeontologist Dr Stephen Brusatte.

"We almost never knew about this dinosaur."
 

Palaeontologist Stephen Brusatte explains the significance of the newly discovered dinosaur fossil that was almost destroyed by dynamite.

A few small parts of the fossil were in fact blasted off, but considering the circumstances of its discovery, the fossil is remarkably complete.

"It's about the size of a sheep, and it's part of a group of very advanced bird-like, feathered dinosaurs called oviraptorosaurs," said Dr Brusatte.

"They were basically the last group of dinosaurs to blossom before the asteroid hit."

The specimen comes from rocks belonging to the Nanxiong Formation in Jiangxi Province, southern China.

The researchers, from China and the UK, say the fossil is particularly special for the insight it provides into the evolutionary transition from dinosaurs to birds.

"Modern birds came from dinosaurs," said Dr Brusatte, "and its dinosaurs like Tongtianlong that give us a glimpse of what the ancestors of modern birds would have looked like.

"Fossils like these capture evolution in action."


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