Mined from: Mahajanga Basin, Mahajanga Province, Madagascar

Era: Mesozoic
Geological Age: 201-145 mya

Description: This one of a kind Cleoniceras Besairiei ammonite fossil specimen from Madagascar has a tight natural spiral, strong ribbed growth lines, and a solid, full-bodied shape that gives it real shelf presence. The color sits in a range of soft grey, beige, taupe, and light brown, with darker mineralization visible in the exposed opening and along a few fracture lines. It has natural breakage and old repair or stabilization lines, but the overall form still reads clearly as a complete ammonite and keeps that classic curled profile people look for in a display piece.

Ammonites were extinct marine cephalopods, related to modern squid, octopus, and nautilus. This specimen comes from sedimentary deposits in Madagascar, where shells like this were buried in seafloor mud, compacted over time, and gradually fossilized as the original shell material was preserved or replaced by carbonate minerals. That is why pieces like this often keep such clean ribbing and shell detail. Even without a species call, this is a strong example of the kind of ammonite fossil Madagascar is well known for.

People are often drawn to ammonites because the spiral feels steady and ordered. This kind of fossil is commonly associated with continuity, grounding, and the idea of growth through cycles. It has a calm, old-world feel to it, and works well as a piece for anyone who likes fossils that look substantial, natural, and unmistakably ancient.

Quantity: 1pc

With this product, you will get the actual stone in the photograph. We do what we can to buy good quality products and price them honestly. The rocks may differ from the photos, but we hope we do them justice.