Griphognathus

Science Name
Hypsocortnus
Description
Habitat
It was a flattened bottom-dweller, crushing mollusks and crustaceans between its tooth plates.Since the lower jaw could not be dropped while the fish was lying flat on the seabed, The head shield was hinged to the trunk shield by a pair of ball-and-socket joints set high up on either side of the body.
Behaviour
Life History
Region Found
Australia (Western Australia) and Europe (Germany)