An original Dicranurus of this size and quality usually retails for about $400.00. Dicranurus monstrosus Quantity in Basket: None Code: MIS-410 Price: $15.00 Shipping Weight: 0.83 pounds Quantity: Time: Devonian, approximately 410-355 million years ago. Location: Megrane Formation, Oulmes, Morocco. Dimensions 4-3/4" 4-1/8"