White Spine Cleoniceras Ammonite Fossil

Discover a remarkable piece of prehistoric marine history with this White Spine Ammonite Fossil (Cleoniceras sp.) from Madagascar. Its beautifully defined spiral, intricate ribbing and warm cream, ivory and golden-brown tones reveal the natural patterns of an ancient marine creature preserved in stone. The fossil's distinctive chambers and textured surface make it a fascinating specimen for fossil collectors, natural history enthusiasts and anyone captivated by the story of life on Earth.

The Details You Need

✓ Species: White Spine Ammonite (Cleoniceras sp.)
✓ Age: Early Cretaceous, approximately 110 million years old
✓ Origin: Near Sakaraha, Madagascar
✓ Size: 49 mm × 57 mm × 17 mm
✓ Weight: 64 grams
✓ Colour: Cream, ivory and golden brown
✓ Fossil Type: Marine cephalopod
✓ Specimen: You will receive the exact fossil shown in the photographs.

The Story Behind the Fossil

Ammonites were marine cephalopods that inhabited Earth's oceans for millions of years. Related to modern-day squid, octopuses and cuttlefish, they lived inside coiled shells divided into chambers. As the animals grew, they added new chambers to their shells, creating the distinctive spiral patterns that make ammonite fossils so recognisable today.

This specimen dates to the Early Cretaceous Period, approximately 110 million years ago, when much of the region around present-day Madagascar was influenced by ancient marine environments. After the ammonite died, its shell became buried in sediment. Over immense spans of geological time, mineral-rich groundwater helped preserve its structure, leaving behind the detailed fossil we can admire today.

The sedimentary deposits near Sakaraha, Madagascar, are known for producing striking ammonite fossils. These discoveries provide a window into ancient marine ecosystems and help scientists understand how life evolved and changed through geological time. Ammonites are particularly valuable in palaeontology because certain species evolved rapidly and were geographically widespread, making their fossils useful for comparing and dating rock layers.

A Lasting Connection to the Ancient Ocean

Every ammonite fossil preserves a unique record of prehistoric life. Its intricate spiral and natural surface details make this specimen a wonderful addition to a fossil collection, a distinctive natural-history display or a thoughtful gift for someone fascinated by Earth's distant past.

Bring 110 million years of history into your collection. Add this White Spine Ammonite Fossil to your collection and own a tangible reminder of the extraordinary creatures that once thrived in ancient oceans.