Devonian Period

419-359 million years ago · Event

The age of fishes — armoured placoderms like the bus-sized Dunkleosteus rule the seas — and the age of the great leap: lobe-finned fish like Tiktaalik haul themselves into the shallows, and by the period's end the first four-legged vertebrates walk on land beneath the first true forests.

On these timelines: The Age of Dinosaurs, Master

More from The Age of Dinosaurs

Around 419000000 BCE

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