Description
This listing features a well-preserved fossil echinoid (Micraster decepiens), an extinct species of sea urchin from the Middle Chalk formations of the Cretaceous period (~100–66 million years ago). This specimen was found in Offham Chalk Pit, UK, a classic fossil locality known for its beautifully preserved echinoids.
About Micraster decepiens (Fossil Echinoids):
Micraster decepiens is a species of heart-shaped irregular sea urchin that thrived in marine environments during the Late Cretaceous. Adapted for burrowing in soft chalk seabeds, its distinctive morphology provides valuable insights into Cretaceous marine ecosystems and sedimentology. These echinoids are highly sought after by collectors and researchers due to their historical and paleontological significance.
Fossil Information:
- Species: Micraster decepiens (Cretaceous Sea Urchin)
- Geological Age: Cretaceous (~100–66 million years ago)
- Formation: Middle Chalk
- Location: Offham Chalk Pit, UK
- Size: See photos for accurate scale – measured with a 1cm scale rule
- Condition: Well-preserved with detailed test structure visible
Why This Fossil is Special:
- Authentic & Well-Preserved Sea Urchin Fossil – A genuine Micraster decepiens specimen from the Middle Chalk Formation.
- Highly Collectible & Scientific Interest – Fossils from the Chalk Formation are crucial for understanding past marine environments.
- From the Alice Purnell Collection – One of the most significant fossil collections in the world.
- 100% Genuine & Certified – Comes with a Certificate of Authenticity.
What You See is What You Get
The exact specimen shown in the photos is the one you will receive – no stock images.
Buy with Confidence
- 100% Genuine Fossils – Carefully sourced and verified.
- Secure & Professional Packaging – Ensuring safe worldwide shipping.
- Fast & Reliable Shipping
An exquisite Micraster decepiens fossil from the Cretaceous Middle Chalk of Offham Chalk Pit, UK – an excellent addition for fossil collectors, researchers, or educational display.






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