Bones of whole raptor-type dinosaur are found
Although bone parts of carnivorous dinosaurs have been found in Korean soil in the past, this was the first discovery of a skeleton with a skull.
Last October, a man who went fishing in the region reported the fossils to state authorities. After a preliminary analysis co-conducted by the National Research Institute of Cultural Heritage and the Korea Geological Heritage Research Institute of Chinju National University of Education, it was concluded that the fossils were indeed those of a dinosaur that walked on two legs and had a meat-based diet.
The fossils were from the Cretaceous period, which began 145 million years ago and ended 66 million years ago with history’s most well-known mass-extinction - that of the dinosaurs.
Microraptors are bird-like dinosaurs from the Cretaceous period. They measure between 77 and 90 centimeters (30 and 35 inches), weigh just one or two kilograms (2.2 or 4.4 pounds) and have feathered wings. They were the smallest carnivorous dinosaurs and were believed to have eaten insects or other animals.
The fossilized dinosaur found in Hadong measured just 28 centimeters in total body length. Based on measurements of the body and the skull (5.7 centimeters long and 2.6 centimeters wide), experts say the dinosaur was less than 50 centimeters when it existed, although more research needs to be done to determine if the dinosaur was an adult.
Globally, fossilized bones of an entire small dinosaur are extremely rare, Korean officials say, making up less than 1 percent of all dinosaur fossils found. Skeletons with a skull are even rarer.
Experts also noted that the fossils included a connected spine and ribs, adding that there has to be more research as to what accident led to the fossilization. It would take at least one year, they say, to completely separate the bones from the rocks.
Next to the fossilized dinosaur was another set of fossilized bones, which appear to belong to another dinosaur, although not an entire body. Still, experts noted, it could mean that there were two of the creatures at the site.
BY KIM HYUNG-EUN [firstname.lastname@example.org]
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