Mined from: Maintirano area, Melaky Region, Madagascar

Era: Mesozoic (primarily Jurassic–Cretaceous)

Geological Age: 201–66 million years old (mya)

Description: Belemnites are the fossilized internal guards of extinct marine cephalopods, relatives of modern squid and cuttlefish. What usually survives is the dense, pointed rostrum, which is why these fossils have that familiar tapered, bullet-like look. Madagascar material is popular because it often preserves this clean, streamlined form well, making the fossils easy to recognize and appealing both to collectors and to people who want a classic marine fossil without a lot of matrix.

These animals lived in the Mesozoic oceans, especially during the Jurassic and Cretaceous, and their hard calcitic guards are one of the most durable parts of the animal to fossilize. Belemnites are useful to paleontologists because they help reconstruct ancient marine environments and, in some cases, past ocean chemistry and temperature. In simple terms, this fossil is the durable inner support of an animal that once moved through ancient seas like a torpedo-shaped squid. Belemnites are known from Jurassic and Cretaceous rocks, spanning roughly 201 to 66 million years ago.

Many people are drawn to belemnite fossils for grounding, focus, and a connection to deep time. Their pointed, solid form gives them a steady, direct feel, and they are often kept as reminders of endurance, survival, and the long arc of natural history. Some also like them as symbolic pieces for transformation, since they represent life forms from vanished oceans preserved in stone.

Small
Approximate Size of 1 piece: 35mm x 10mm x 8mm
Approximate Weight of 1 piece: 5g

Medium
Approximate Size of 1 piece: 40mm x 20mm x 15mm
Approximate Weight of 1 piece: 20g

Large
Approximate Size of 1 piece: 60mm x 20mm x 15mm
Approximate Weight of 1 piece: 30g

Quantity: 1pc

We do our best to buy quality products- although not every rock is the same. If you choose to purchase the "staff pick option", we will select the best of the batch for you. Otherwise, it will be at random from the larger batch we have in stock.