Timeline II
Devonian (409-360 million years ago: the ìAge of Fishesî)
- jawless fish declining but still present
- placoderms diversify
- oldest ray-finned and lobe-finned fish
- chondrichthyans, acanthodians present
Late Devonian: vertebrates move onto land
Near the end: extinction events wipe out armored jawless fish, placoderms, and others