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CHICAGO (Reuters) - The discovery of a "frogamander," a 290 million-year-old fossil that links modern frogs and salamanders, may resolve a longstanding debate about amphibian ancestry, Canadian scientists said on Wednesday.
Modern amphibians -- frogs, salamanders and earthworm-like caecilians -- have been a bit slippery about divulging their evolutionary ancestry. Gaps in the fossil record showing the transformation of one form into another have led to a lot of scientific debate.
The fossil Gerobatrachus hottoni or elderly frog, described in the journal Nature, may help set the record straight.
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Modern amphibians -- frogs, salamanders and earthworm-like caecilians -- have been a bit slippery about divulging their evolutionary ancestry. Gaps in the fossil record showing the transformation of one form into another have led to a lot of scientific debate.
The fossil Gerobatrachus hottoni or elderly frog, described in the journal Nature, may help set the record straight.
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