Palaeontology: Amphibian regrew limbs long ago

[Frog News]

Nature (New York, USA) : Palaeontology: Amphibian regrew limbs long ago

The oldest evidence for limb regeneration has been found in fossils of a 300-million-year-old amphibian.Salamanders can regrow entire lost limbs. Usually, the regrowths are indistinguishable from those that they replace, but in some cases they have distinctive abnormalities such as fused or missing digits.
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