Scientists have discovered a previously unknown species of predatory dinosaur with shark-like teeth that would have been the T. rex of its day.
원문출처 : https://www.cnn.com/2021/09/10/world/new-shark-toothed-dinosaur-scn/index.html
원문출처 : https://www.cnn.com/2021/09/10/world/new-shark-toothed-dinosaur-scn/index.html