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with about 500 square miles of sediment preserved from its original 930-square-mile expanse
It appears in crystalline habit as well as in compact
contain a central skeletal core and radiating internal walls that create the signature honeycomb appearance visible on fossil surfaces
where it was first identified
3.6" Douvilleiceras Tractor Ammonite Fossil Cluster on Stand Madagascar Jurassic Age Edaphosaurus with about 500 square milesLocation: Mahajanga Province, Madagascar Weight: 5. 6 Ounces (With Stand) Dimensions: 3. 6 inches long, 2. 3 inches wide, 1. 8 inches thick (Matrix with Stand) The items pictured are the ones you will receive. Douvilleiceras Tractor Ammonite The Tractor Ammonite, scientifically known as Douvilleiceras, is a distinctive genus of extinct cephalopods belonging to the order Ammonitida, widely recognized for its robust, coarsely ribbed shell morphology
