Description
This listing is for a stunning Cleoniceras fossil ammonite, exhibiting a beautiful natural mother of pearl iridescence. This specimen originates from the Lower Albian stage of the Early Cretaceous Period, approximately 113 to 100 million years ago, and was found in the fossil-rich deposits of Madagascar.
Cleoniceras is a highly recognisable genus of ammonite, famed for its finely ribbed, tightly coiled shell structure and captivating colour when polished to reveal the preserved nacreous (mother of pearl) layer. During the Lower Albian, these marine cephalopods thrived in warm, shallow seas, leaving behind beautifully preserved shells that have become some of the most visually striking fossils available today.
The photo shows the actual specimen you will receive, with a 1cm scale cube included for sizing reference. Each specimen is professionally cleaned, prepped, and inspected to ensure the highest quality. Every fossil comes with a Certificate of Authenticity, verifying its genuineness and ensuring peace of mind for collectors.
Key Details:
- Species: Cleoniceras sp.
- Fossil Type: Ammonite (extinct marine cephalopod)
- Shell Preservation: Mother of Pearl (natural iridescence)
- Geological Period: Lower Albian, Cretaceous (~113–100 million years ago)
- Location Found: Madagascar
- Size: Please refer to the photo with 1cm scale cube for dimensions
- Authenticity: 100% Genuine Specimen – Certificate of Authenticity included
- Photo: The specimen pictured is the exact one you will receive
Scientific and Collector Importance: Cleoniceras ammonites are highly sought after by fossil collectors and enthusiasts for their elegant ribbing and extraordinary iridescence. These fossils not only serve as spectacular display pieces but also offer valuable insight into Cretaceous marine ecosystems.
Whether for your fossil collection, educational display, or as a unique natural art piece, this Cleoniceras iridescent ammonite is a striking and timeless treasure.
All of our Fossils are 100% Genuine Specimens & come with a Certificate of Authenticity.
Fast & Secure Shipping – Carefully packed for safe worldwide delivery.
Bring a piece of ancient marine history into your collection with this breathtaking Cleoniceras fossil ammonite!






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