The researchers found that the three biggest frog groups — Hyloidea, Microhylidae, and Natatanura, which make up almost 90% of the frog species in the world today — all went through an explosion of diversification after the end-Cretaceous extinction.

研究人员发现， 三个最大的蛙类群— — Hyloidea、Microhylidae 和 Natatanura，它们占当今世界蛙类物种的近 90% — — 在白垩纪末期灭绝后都经历了多样化的爆炸式增长。