Fossil baby embolomere, showing that young embolomeres did not undergo a full amphibian-like metamorphosis. (Arjan Mann via SWNS)
Fossilized babies of ancient crocodile-like predators have led to a "monumental" change in understanding of how animals first adapted to life on land.
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The early four-legged animals, the tetrapods, were the forebears of today’s mammals, birds, reptiles, and amphibians. (Gabriel Ugueto via SWNS)
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