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309-million-year-old fossils show early tetrapods skipped tadpole stage
Fossils reveal early tetrapods hatched as miniature adults, skipping the tadpole stage. This overturns the belief that metamorphosis was essential for lifeโs transition from water to land.
Phys.org โ 5 July 2026
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Paleontologists have uncovered 309-million-year-old fossils that fundamentally challenge the long-held belief that early tetrapods, the ancestors of a
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