New 270-million-year-old amphibian species could help explain evolution of frogs


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Scientists have discovered a new ancient amphibian species that could bridge the gap in understanding how modern-day frogs and salamanders developed.

The fossilized skull of the 270-million-year-old amphibian ancestor was first unearthed in 1984 in a rock formation in Texas. However, it spent decades sitting in a collection at the Smithsonian Institution's National Museum of Natural History waiting to be studied.