aug 5, 419000000 BC - Devonian Period
Description:
By the mid-Devonian, the fossil record shows evidence that there were two new groups of fish that had true bones, teeth, swim bladders and gills. By the end of the Devonian, progymnosperms such as Archaeopteris were the first successful trees. Millipedes, centipedes and arachnids continued to diversify during the Devonian Period. Millipedes, centipedes and arachnids continued to diversify during the Devonian Period.
Added to timeline:
The History Of Earth
Date:
