amphibian ancestors

When Did The Amniotic Egg First Evolved?

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When Did The Amniotic Egg First Evolved? Amniotes first appeared in the fossil record about 318 million years ago and their early evolution, diversification, ecology and phylogenetic relationships have received considerable and increasing interest and research attention over the past decades. How did the amniotic egg evolve? Evolution of Amniotes. The first amniotes evolved from

Did Fish Appear Before Amphibians?

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Did Fish Appear Before Amphibians? Did fish appear before amphibians? Amphibians, reptiles, mammals, and birds evolved after fish. The first amphibians evolved from a lobe-finned fish ancestor about 365 million years ago. Did fish evolve into amphibians? Amphibians evolved during the middle of the Devonian period (416 to 359 million years ago) from the lobe-finned