160-million-year-old giant tadpole fossil, the oldest known, discovered in Argentina.
Scientists have uncovered the oldest known fossil of a giant tadpole, estimated to be around 160 million years old, in Argentina, exceeding the previous record by 20 million years. The fossil, preserved in sandstone, includes parts of the skull and backbone, and features similar to modern tadpoles. This discovery enhances understanding of frog evolution and highlights the stability of amphibians' survival strategies throughout mass extinctions. The findings were published in *Nature*.
October 30, 2024
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