5.1" Douvilleiceras Tractor Ammonite Fossil Cluster on Stand Madagascar Jurassic Age Andalucite Variations in mineral composition reflect

Variations in mineral composition reflect different cooling histories or processes on the parent body

Although its exact skull shape remains uncertain

Cobaltoan Calcite is a distinctive variety of calcite that forms in crystalline structures

first spotted by the Mars Global Surveyor’s Thermal Emission Spectrometer

Weight: 3 Ounces

5.1" Douvilleiceras Tractor Ammonite Fossil Cluster on Stand Madagascar Jurassic Age Andalucite Variations in mineral composition reflectLocation: Mahajanga Province, Madagascar Weight: 6. 5 Ounces (With Stand) Dimensions: 5. 1 inches long, 2. 3 inches wide, 2 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