Jawed vertebrates appear in the Silurian, with giant armoured placoderms such as Dunkleosteus.[8] Jawed fish, too, appeared during the Silurian:[9] the cartilaginous Chondrichthyes[10][11] and the bony Osteichthyes.[12]
Jawed vertebrates appear in the Silurian, with giant armoured placoderms such as Dunkleosteus.[8] Jawed fish, too, appeared during the Silurian:[9] the cartilaginous Chondrichthyes[10][11] and the bony Osteichthyes.[12]