Daniel Falk investigates Geiseltal frogs, that died around 45 million years ago. The fossil frogs are stored in the Natural Sciences Collections, Halle (Saale), Germany. (IMAGE)
Caption
Daniel Falk investigates Geiseltal frogs, that died around 45 million years ago. The fossil frogs are stored in the Natural Sciences Collections, Halle (Saale), Germany.
Credit
D. Falk
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