Rare Encrinuroides Trilobite from Ordovician Oklahoma

Coming from the Middle Ordovician deposits of Oklahoma, this is a most uncommon Phacopid (Order Phacopida, Family Encrinuridae) known as Encrinuroides capitonis. It is completely free of matrix, seen in an enrolled defensive position. Missing only the eyestalks, it is a fine example of this rarely-seen taxon, offered here at an affordable price. It comes in a small foam-lined box for ease in shipping.