99USD - Kosmoceras sp. Ammonite with Pyrite Replacement – Jurassic Fossil (Germany)

This is a genuine Kosmoceras sp. ammonite fossil from Germany, measuring 3 × 2.5 cm, preserved with rare pyrite replacement. The natural golden luster highlights the intricate ribbed shell, giving it both scientific significance and aesthetic charm.

Kosmoceras ammonites thrived in the Jurassic seas over 160 million years ago, and pyrite preservation of this quality is particularly rare, making this a desirable collector’s piece at an accessible price.

✨ Why is it worth collecting?

• Unique natural pyrite replacement with golden shine

• Clear ribbed details of the ammonite shell

• Represents Jurassic marine life, ~160 million years old

• Affordable entry-level fossil from a German locality

📍 Origin: Germany
📅 Age: Jurassic (~160 million years ago)
🪨 Features: Pyrite-replaced ammonite, golden metallic luster