Large Placoderm Fossil (Armored Fish) 3d07ca266c621245796ab2c741f691ec or they may have trace

or they may have trace elements such as iron

or middle Stone Age

The term fossilized is important

000 BC and ended between 4

especially in Randolph County

Large Placoderm Fossil (Armored Fish) 3d07ca266c621245796ab2c741f691ec or they may have tracePlacoderm, were a group of primitive jawed fishes known only from fossil remains. They existed throughout the Devonian Period (about 416 million to 359 million years ago), with two species continuing their existence into the later Carboniferous Period. During the Devonian Placoderms they were a dominant group, living in freshwater sediments of every continent except South America. Although most placoderms were small in size, some actually grew over 13