Scientists Unearth the Oldest Tadpole Fossil Ever Found, and It's a 161-Million-Year-Old 'Giant'
An artist depicts the tadpole and frog individuals of the Notobatrachus degiustoi species. The oldest known tadpole fossil, which belongs to this species, was found in the Patagonia region of Argentina. Gabriel Lío While in search of dinosaur fossils, a …