SKU:S158
Madagascar Cleoniceras Fossil Spiral
Madagascar Cleoniceras Fossil Spiral
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Drifting through prehistoric oceans more than 110 million years ago, this extraordinary White Spine Ammonite once belonged to an ancient marine cephalopod known as Cleoniceras. During the Early Cretaceous Period, these fascinating creatures thrived in warm tropical seas while giant dinosaurs still dominated the land.
This Madagascan specimen displays the classic spiral shell and beautifully preserved ribbed chamber structure that make ammonites some of the world’s most admired fossils. Natural mineralisation over millions of years has created soft cream and sandy tones, while subtle darker mineral inclusions add character and texture throughout the fossil. The side profile reveals the impressive depth and shape of the shell, giving this piece a wonderfully three-dimensional appearance.
Recovered near Sakaraha in Madagascar, a region famous for exceptionally preserved ammonites, this fossil is a genuine piece of Earth’s ancient history. Each specimen is completely unique, shaped by geological forces and fossilisation processes over countless ages.
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: 52mm x 46mm x 18mm Approximately
✓ WEIGHT: 63 gram
Whether displayed in a fossil collection, natural history display, or cabinet of curiosities, this White Spine Ammonite offers a timeless glimpse into 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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