87MM Perisphinctes Ammonite Fossil Nautilus Madagascar Jurassic Age COA Petraster including organic materials like wood

including organic materials like wood

and is occasionally used as a decorative stone

They are part of the HED meteorite group

ammonites displayed remarkable evolutionary diversity

Many fossils are naturally revealed when the limestone splits

87MM Perisphinctes Ammonite Fossil Nautilus Madagascar Jurassic Age COA Petraster including organic materials like woodLocation: 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