Cephalaspis

phylum	Chordata	Cephalaspis (head shield) was a genus in the class Osteostraci of Palaeozoic armoured jawless fishes, or ostracoderms. It was a medium sized detritivorous fish that lived in freshwater streams and estuaries of the early Devonian. For more information, visit the Wikipedia entry. Get back to Agnatha
class	†Osteostraci
order	Atelaspidiformes
genus	Cephalaspis
Period	415–398Ma

• 

  Colorata Cephalaspis

• 

  Starlux Cephalaspis