THIS AMMONITE IS A DESMOCERAS LATIDORSATUM, VAR. INFLATA. CUT AND POLISHED HALVES #124 PREPARED BY THE ARTISANS IN MADAGASCAR. THE SIZE OF THIS SPECIMEN IS 2 3/4" X 2 1/2 X 1 1/4" AND WEIGHS 5.43 OUNCES. GREAT SUTURES ON OUTSIDE AND INSIDE, THE MOSTLY OPEN CHAMBERS, ARE CLEARLY SEPARATED BY SEPTUMS. A REAL NICE SPECIMEN FOR YOUR COLLECTION.