Large, 5.7" Ammonite (Harpoceras) Fossil - Posidonia Shale
This is a large, 5.6" wide Harpoceras ammonite fossil from the from the Posidonia Shale of Germany. They have been compressed and are preserved on a black slate in a partially pyritized state. There are impressions of several other partial ammonites on the rock. It comes with a display stand, but there is also a hanger installed into the rock on the back of the plate allowing it to easily be hung on a wall.