The fossil record isn't always kind to preserving the existence of smaller creatures. But this week, scientists announced the discovery of two previously unknown species in two separate studies published in the journal Current Biology.
원문출처 : https://www.cnn.com/2019/07/11/world/ancient-bird-foot-lizard-microraptor-scn/index.html
원문출처 : https://www.cnn.com/2019/07/11/world/ancient-bird-foot-lizard-microraptor-scn/index.html