Scientists in Argentina have discovered the oldest known tadpole fossil, remarkably preserved from at least 161 million years ago.
This exceptional find, accidentally unearthed while searching for dinosaur fossils, provides invaluable insights into amphibian evolution.
The fossil, exhibiting astonishing detail including skull, backbone, eyes, and nerves, showcases the tadpole's filter-feeding mechanism.
This groundbreaking discovery significantly refines our understanding of the frog life cycle and ancient ecosystems.
