<i>Hyla sanchiangensis</i> (IMAGE)
Caption
The frog Hyla sanchiangensis from eastern China is a descendant of one of three lineages (Hyloidea) that made it through Earth's last mass extinction 66 million years ago to flourish worldwide today. It's ancestors diversified out of South America.
Credit
Image courtesy of Peng Zhang, Sun Yat-Sen University.
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