A new Groenlandaspidid Arthrodire (Vertebrata: Placodermi) from the Famennian of Belgium

A new species of the arthrodire genus Groenlandaspis is described from the upper part of the Evieux Formation (Upper Famennian), based on several specimens collected from quarries at Modave and Villers-le-Temple,Liège Province, Belgium. It is the first occurrence of this widespread genus in continental Europe. This new species is characterized by an almost smooth dermal armour, except for some scattered tubercles on its skull roof, median dorsal and spinal plates. Its median dorsal plate is triangular in shape and almost perfectly equilateral in lateral aspect and bears large, spiniform dentic... Mehr ...