Fossilized, primitive amphibians with odd-looking appendages suggest the ability of some vertebrates to regenerate or regrow amputated limbs first evolved at least 300 million years ago.
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Limb Regeneration Began 300 Million Years Ago
Fossilized, primitive amphibians with odd-looking appendages suggest the ability of some vertebrates to regenerate or regrow amputated limbs first evolved at least 300 million years ago.
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