Description
Parkinsonia acris Fossil Ammonite – Astarte Bed, Inferior Oolite, Jurassic Coast – Burton Bradstock, Dorset, UK
About the Fossil:
This stunningly detailed Parkinsonia acris ammonite fossil is from the Astarte Bed of the Inferior Oolite Formation, dating back to the Middle Jurassic (~174-170 million years ago). It was discovered along the Jurassic Coast in Burton Bradstock, Dorset, UK. Parkinsonia acris is known for its fine, well-defined ribbing and elegant shell structure, making it a sought-after piece for fossil enthusiasts and collectors.
This particular specimen was discovered by our own team members, Alister and Alison, on 17 January 2025, and has been expertly cleaned, prepped, and treated by Alison to ensure its preservation and enhance its natural beauty.
Ammonites like Parkinsonia acris thrived in the warm, shallow seas of the Jurassic period, playing a crucial role in the marine ecosystem. The Astarte Bed of the Inferior Oolite is renowned for producing exceptionally well-preserved marine fossils, offering valuable insights into prehistoric life.
Geology & Formation:
- Geological Age: Middle Jurassic (~174-170 million years ago)
- Formation: Inferior Oolite (Astarte Bed)
- Location: Burton Bradstock, Dorset, UK
- Preservation: Excellent fossilization with sharp ribbing, visible growth lines, and intricate suture patterns
Why This Fossil?
✔ 100% Genuine Specimen – Comes with a Certificate of Authenticity
✔ Unique Discovery – Found by our team members, Alister and Alison, on 17 January 2025
✔ Expertly Prepared – Cleaned, prepped, and treated by Alison
✔ Rare & Highly Collectible – From the renowned Alice Purnell Collection
✔ Perfect for Display or Study – Ideal for fossil collectors, students, and paleontology enthusiasts
✔ Scale Rule/Cube = 1cm – See photos for full sizing
The fossil in the photo is the exact specimen you will receive!
📦 Secure Packaging & Fast Shipping – Your fossil will be carefully packed for a safe journey!







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