Make a bold statement with this spectacular large Perisphinctes ammonite from Madagascar. Weighing approximately 18 kilograms, this impressive Jurassic fossil showcases the iconic spiral geometry and finely ribbed shell structure that make ammonites some of the most sought-after fossils in the world.

Expertly prepared and polished to reveal intricate internal chamber details, this specimen displays beautiful natural earthy tones—rich browns, warm ambers, and creamy calcite infill—highlighting millions of years of mineralization. The outer whorls retain exceptional ribbing definition, while the exposed cross-section reveals the ammonite’s internal chamber structure in stunning detail.

Key Features:

• Species: Perisphinctes

• Origin: Madagascar

• Geological Age: Jurassic Period (approx. 150–160 million years old)

• Weight: ~18 kg

• Finish: Professionally prepared and polished

• Condition: Excellent display quality

This substantial piece makes a commanding centerpiece for:

• Natural history collections

• Interior design and statement décor

• Educational institutions

• Fossil and mineral collectors

Each Madagascan ammonite is unique, and this specimen stands out for its size, symmetry, and beautiful mineral preservation. A true conversation piece that brings prehistoric history into your space.

A remarkable fossil from an ancient ocean—ready to anchor any serious collection.