Pygurus Marmonti polished

The Pygurus marmonti is an extinct genus of prehistoric marine invertebrates, often classified as an ancient sand dollar or a flat, burrowing sea urchin. These fossils are highly sought after by collectors for their striking five-pointed star (pentameral) pattern and beautiful preservation.

Geological Age: Late Jurassic Period, approximately 150 million years ago.Habitat: These echinoids lived in warm, shallow marine environments, slowly moving and feeding while buried under soft seafloor sand or mud.Origin: The vast majority of Pygurus marmonti fossils on the market are sourced from the Sakaraha and Majanga regions of Madagascar.Appearance: They generally range between 50 to 90 mm in diameter. Fossils are frequently polished on the top side to accentuate their delicate internal structural details and natural symmetry.

Sakaraha, Madagascar