It has been named Nagatitan chaiyaphumensis.
In total, only around 11 specimens of this kind have ever been recorded.
Its skull, broad and triangular in shape, had a pointed beak resembling that of parrots.
"It has been like solving an ancient murder mystery, with metatarsal evidence."
It was around 13 inches tall and had a beak and claws, but did not have wings.
The species honors one of South Korea’s most beloved characters, Dooly the Little Dinosaur.
The poodle-sized reptile that lived over 200 million years ago was among creatures that had features similar to dinosaurs it lived beside.
Scientists described the discovery as a "palaeontological Rosetta Stone”.
The "astonishing" first indisputable evidence of a new species of Spinosaurus in over a century was found in a remote desert location.
