4.3" Douvilleiceras Tractor Ammonite Fossil Cluster on Stand Madagascar Jurassic Age Tourmaline and spring systems that record

and spring systems that record constantly changing lake margins and water conditions

also known as Ghost Quartz

including plants

The species is defined by an isolated humerus serving as its holotype

scientist Charles König formally introduced the term

4.3" Douvilleiceras Tractor Ammonite Fossil Cluster on Stand Madagascar Jurassic Age Tourmaline and spring systems that recordLocation: Mahajanga Province, Madagascar Weight: 7. 2 Ounces (With Stand) Dimensions: 4. 3 inches long, 2. 2 inches wide, 1. 6 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