一只完成了发育变化的青蛙（stage 66 热带爪蟾）；凸显其尾杆骨 (IMAGE)

Proceedings of the National Academy of Sciences

一只完成了发育变化的青蛙（stage 66 热带爪蟾）；凸显其尾杆骨

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一只完成了发育变化的青蛙（stage 66 热带爪蟾）；凸显其尾杆骨。

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Image Courtesy of Gayani Senevirathne

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