eat that future fossil discoveries may push the clock back even further. (Some experts claim that the late Permi Samarium Cobalt Gerobatrachus, also known as the Frogamander, was ancestral to these two groups, but the verdict is mixed.)
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September 16, 2015 Evolutionary Biology
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These changes are noticed magnets the phenotypes (expressed physical traits that c Samarium Cobalt be seen) of the population.