Researchers have unearthed a remarkable fossil in Argentina, revealing the oldest-known giant tadpole that existed over 160 million years ago. This groundbreaking discovery surpasses the previous record holder by approximately 20 million years, shedding new light on the evolution of frogs.
The fossil, preserved in sandstone, showcases parts of the tadpole's skull, backbone, eyes, and nerves in exquisite detail. Described as the most well-preserved tadpole fossil to date, this finding provides valuable insights into the early stages of frog development.
