87MM Perisphinctes Ammonite Fossil Nautilus Madagascar Jurassic Age COA Petraster They were air-breathing predators from

They were air-breathing predators from the Ichthyosauria group

including organic materials like wood

and is occasionally used as a decorative stone

giving them an almost surreal appearance

87MM Perisphinctes Ammonite Fossil Nautilus Madagascar Jurassic Age COA Petraster They were air-breathing predators fromLocation: Near Sakaraha, Tulear Province, Madagascar Weight: 6 Ounces Dimensions: 87MM 3. 5 inches long, 2. 9 inches wide, 0. 9 inches thick Comes with a Certificate of Authenticity. The items pictured are the ones you will receive. Perisphinctes Ammonite Perisphinctes ammonite exemplifies the taxonomic diversity of Jurassic cephalopods. As members of the subclass Ammonoidea, these organisms occupied critical ecological niches in marine food webs from