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which triggered global climate upheavals and marine food chain collapses
Naturally split limestone reveals stunning detail
Hexagonaria percarinata is known as the Petoskey stone and is designated as the official state stone
these crocodile species illustrate the diversity and adaptability of crocodilians in the Hell Creek Formation
an ancient rugose coral preserved as stone and Michigan's official state fossil
3.6" Douvilleiceras Tractor Ammonite Fossil Cluster on Stand Madagascar Jurassic Age Globidens which triggered global climate upheavalsLocation: 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