The first African fossils of Devonian tetrapods (four-legged vertebrates) show these pioneers of land living within the Antarctic circle, 360 million years ago. The first African fossils of Devonian ...

NOVA: What exactly is a tetrapod? Clack: A tetrapod is an animal with four legs—you, me—or an animal whose ancestors had four legs. So I can talk about a frog, which jumps; a bird, which flies; a ...

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The earliest creatures to crawl out of the water onto land may have concocted antacids out of their own bones, a clever innovation that would've let the animals breathe, researchers now find. The ...

Researchers have shown that the closest living relatives of the tetrapods -- the lungfish -- are insensitive to sound pressure but sensitive to vibrations. A research group led by Jakob ...

The first African fossils of Devonian tetrapods (four-legged vertebrates) show these pioneers of land living within the Antarctic circle, 360 million years ago. The evolution of tetrapods from fishes ...