trace their lineage back to ancient fish that lived more than 400 million years ago during the Devonian period (419 million to 359 million years ago). At that time, jawless fish filled the seas ...
Early jawless fish were likely to have used bony projections ... fossil fish is revealing so much new information about these ancient vertebrates and giving us the opportunity to study precious ...
Eyeless, jawless, and dependent on their sense ... are not found in modern fish and that mark them as ancient. Though most modern bony fish have symmetrical tails (the top and bottom lobes are ...
The results have helped answer questions on when these ancient, jawless fish branched-off the vertebrate evolutionary tree. The discovery is incredibly important as it changes our view of the ...