SKU:S164
Ancient Madagascar Ammonite Fossil Shell
Ancient Madagascar Ammonite Fossil Shell
1 in stock
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More than 110 million years ago, this ancient Cleoniceras ammonite drifted through the warm tropical seas of the Early Cretaceous Period. Long before humans existed, these remarkable marine cephalopods thrived in prehistoric oceans while dinosaurs dominated the land above.
This authentic White Spine Ammonite from Madagascar preserves the iconic spiral shell and finely ribbed chamber structure that make ammonites some of the most admired fossils in the world. Natural fossilisation over millions of years has created soft cream and sandy tones across the surface, while subtle mineral inclusions and weathered textures give the fossil a beautifully ancient appearance. Its compact size and detailed preservation make it an ideal addition to any fossil collection.
Recovered near Sakaraha in Madagascar, a world-famous fossil locality, this specimen offers a genuine glimpse into Earth’s distant marine past. Every ammonite from this region is naturally unique, shaped by millions of years of geological history beneath ancient seabeds.
The Details You Need
✓ SPECIMEN: White Spine Ammonite Fossil
✓ SPECIES: Cleoniceras sp.
✓ AGE: Early Cretaceous Period, approximately 110 million years old
✓ FORMATION: Marine sedimentary deposits
✓ LOCATION: Near Sakaraha, Madagascar
✓ SIZE: 46mm x 41mm x 15mm Approximately
✓ WEIGHT: 38 gram
Whether displayed in a cabinet of curiosities, natural history collection, or gifted to a fossil enthusiast, this White Spine Ammonite is a timeless connection to a lost prehistoric world.
Before You Add to Cart ✨
Before You Add to Cart ✨
Online Only: This exact piece is available online only. Similar pieces may be available in store so please check with us before you visit Forever Gems in Franschhoek. Want to view it in-store? Just ask — we’ll arrange it.
Photos: We shoot for accuracy, but colors may vary slightly by screen or lighting.
Size & Weight: Full details are in the description. Please check before buying.
What You See Is What You Get: The item pictured is the exact piece you’ll receive.
Authenticity Guaranteed 🛡️
Authenticity Guaranteed 🛡️
Every specimen at Forever Gems is personally hand-selected and verified. We source exclusively from trusted IMCA-registered dealers, artisanal miners, and long-standing partners we meet with annually at the Tucson Gem and Mineral Show.
Any replica or reproduction fossils are always clearly labeled and sold separately.
Lifetime Authenticity Guarantee
We stand behind the authenticity of every fossil we sell. If a fossil purchased from Forever Gems can be scientifically proven not to be authentic, it may be returned at any time for a full refund, provided supporting proof is supplied. This lifetime authenticity guarantee is in addition to our standard 30-day return policy.
Rather than paper certificates, we rely on over 13 years of experience, expert knowledge, and trusted supplier relationships to ensure authenticity and quality.
Shipping & Collection 🚚
Shipping & Collection 🚚
We ship nationwide with The Courier Guy and RAM Hand-to-Hand Couriers primarily and worldwide with FedEx. Tracking provided on all orders.
Local pickup: Wellington by appointment, Franschhoek Store Fri–Sun, or Franschhoek Village Market Saturdays (weather permitting).
Own courier: We’ll notify you when ready for collection from Wellington, SA.
International: Shipping options show at checkout. Duties/taxes, if any, are paid by the buyer.
All specimens are securely packaged to arrive safely. Questions? Contact us
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