Description
This listing features a well-preserved fossil echinoid (Micraster cortestudinarium), an extinct heart-shaped sea urchin from the Cretaceous chalk deposits of the Downs near Brighton, Sussex, UK. A scientifically valuable and highly collectible specimen, perfect for fossil enthusiasts, collectors, and educational purposes.
About Micraster cortestudinarium (Fossil Echinoid)
Micraster is a genus of extinct burrowing sea urchins that thrived during the Late Cretaceous period. These echinoids played a significant role in the study of marine paleoecology and biostratigraphy due to their well-defined stratigraphic distribution. Micraster cortestudinarium is recognized for its distinct heart shape and adaptations for burrowing in soft sedimentary environments.
Fossil Details:
- Scientific Name: Micraster cortestudinarium
- Common Name: Fossil Echinoid (Sea Urchin)
- Geological Age: Cretaceous
- Formation/Location: Chalk, Downs near Brighton, Sussex, UK
- Size: Refer to listing photos for accurate dimensions
- Condition: Well-preserved with fine structural details visible
Why This Fossil is Special:
- A high-quality example of Micraster cortestudinarium from the iconic Chalk deposits
- Sourced from a well-known UK fossil locality near Brighton
- Ideal for fossil displays, educational purposes, or research
- Comes from the Alice Purnell Collection, one of the largest ammonite and fossil collections in the world
- 100% Genuine Specimen with a Certificate of Authenticity
What You See is What You Get
The fossil shown in the photos is the exact specimen you will receive—no stock images used.
Buy with Confidence:
- Authenticity Guaranteed – Professionally sourced, identified, and verified
- Secure Packaging – Carefully packed for safe shipping
- Fast & Reliable Shipping – Worldwide shipping available
This Micraster cortestudinarium fossil is a fascinating piece of natural history, providing a glimpse into the marine ecosystems of the Late Cretaceous period. A perfect addition to any serious fossil collection.






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