Groenlandaspis (Lost Kingdoms by Yowie)4 (4)
The Devonian period, commonly known as the Age of Fishes, was home to a wide variety of bizarre aquatic animals. One of these was Groenlandaspis (“shield of Greenland”), a small relative of the fearsome Dunkleosteus. Like Dunkleosteus, Groenlandaspis was an arthrodire, part of one of the earliest lineages of jawed vertebrates. This little fish was first made into a toy...