Finding well-preserved dinosaur soft tissue is a rare occurrence.
Researchers have uncovered dinosaur skin traces inside a set of one-inch-long footprints near Jinju—a city in South Korea.
Nevertheless, an international team, led by Kyung-Soo Kim from Chinju National University of Education in South Korea, say the skin traces they found are “exquisitely preserved,” according to a study published in the journal Scientific Reports. “Before the present discovery, no track, no matter how large, had ever revealed more than a few patches of skin impressions,” he said. “Simply put, these are the first tracks to show skin impressions over the entire footprint surface. Moreover, all five of the tracks we found showed complete coverage with skin traces.”
“The traces are very similar to the few bird fossils with skin traces on their feet from this time period,” Lockley said. “It is interesting that the now well-known bird fossils from this period—mostly from China—have feathers over most of the body but not on the feet, like modern birds. So this tells us that these small carnivorous dinosaurs were very similar to birds.”
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