4" Douvilleiceras Tractor Ammonite Fossil Cluster on Stand Madagascar Jurassic Age Pachyrhizodus 9 million years ago

9 million years ago

Classified within the extinct subclass Ammonoidea

has produced a coherent chronology

making them medium-to-large plant-eaters within their ecosystems

and the similarly sized Protostega

4" Douvilleiceras Tractor Ammonite Fossil Cluster on Stand Madagascar Jurassic Age Pachyrhizodus 9 million years agoLocation: Mahajanga Province, Madagascar Weight: 5. 7 Ounces (With Stand) Dimensions: 4 inches long, 2. 5 inches wide, 1. 7 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 that