Devonian Period Phanerozoic

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eogyrinus (an amphibian) of carboniferous


the devonian spans 415 million years 360 million years. known age of fish , devonian features huge diversification in fish, including armored fish dunkleosteus , lobe-finned fish evolved first tetrapods. on land, plant groups diversified incredibly in event known devonian explosion during first trees evolved, seeds. event allowed diversification of arthropod life took advantage of new habitat. first amphibians evolved, , fish @ top of food chain. near end of devonian, 70% of species became extinct in event known late devonian extinction, second mass extinction known have happened.








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