Cretaceous ammonite fossil – polished half – madagascar – vibrant chambered shell – genuine specimen with certificate

Description This listing features a genuine Cretaceous Ammonite fossil from Madagascar, presented as a single sliced and polished half, showcasing its beautifully preserved internal chambers. These internal structures have been naturally mineralised over millions of years, producing stunning colourful patterns that are revealed through the polishing process. Ammonites are among the most recognisable and iconic fossils due to their distinctive spiral-shaped shells. Though their shells resemble those of modern snails, Ammonites were marine molluscs more closely related to present-day squid, cuttlefish, and octopus. They thrived in the world’s oceans from around 240 to 65 million years ago, and this particular specimen is from the Cretaceous Period, approximately 145 to 66 million years ago. These fascinating creatures moved through the water by jet propulsion, expelling water from their body cavity to push themselves forward. Ammonites came in various shapes and sizes, from a few millimetres to giants reaching up to 8 feet in diameter. Each fossil tells a story of ancient marine ecosystems and provides a direct connection to the deep geological past. This specimen has been professionally sliced and polished to both preserve and highlight its natural beauty. Whether you’re a collector, educator, or simply love Earth’s natural history, this ammonite makes for a unique display or thoughtful gift. Item Details: Specimen: Ammonite (Single Half) Age: Cretaceous Period (approx. 145–66 million years ago) Location: Tulear, Madagascar Scale Reference: Scale cube = 1cm. Please see photo for full sizing. Certificate of Authenticity: Included ACTUAL AS SEEN: You will receive the exact specimen shown in the photos. Each item is carefully hand-selected and photographed to ensure transparency and quality. Please Note: Some fossils may be propped for photography. Colours may vary slightly depending on lighting and monitor settings. All measurements are as accurate as possible, though minor variation may occur due to the natural irregularities of the fossil. Once sold, a new photo and listing will be created for the next specimen. 100% Genuine Fossil – Unique Natural History Specimen – Includes Certificate of Authenticity