Description
CATASIGALOCERAS SP. Fossil Ammonite – Lower Callovian, Jurassic – Water Park, United Kingdom
About the Fossil:
This well-preserved Catasigaloceras sp. ammonite fossil originates from the Lower Callovian stage of the Middle Jurassic (~166-164 million years ago) and was discovered in Water Park, United Kingdom. Catasigaloceras is a genus of moderately involute ammonites, recognized for their fine ribbing, strong keel, and well-defined whorls, making them valuable specimens for collectors and researchers.
During the Middle Jurassic, ammonites like Catasigaloceras sp. thrived in shallow marine environments, where they were active swimmers and played a crucial role in the prehistoric ocean ecosystem. The Lower Callovian deposits of Water Park are known for their rich ammonite-bearing formations, providing insight into cephalopod evolution and Jurassic marine biodiversity.
Geology & Formation:
- Geological Age: Lower Callovian, Middle Jurassic (~166-164 million years ago)
- Formation: Marine sedimentary deposits
- Location: Water Park, United Kingdom
- Preservation: Excellent fossilization with clearly defined ribs, suture patterns, and shell morphology
Why This Fossil?
✔ 100% Genuine Specimen – Comes with a Certificate of Authenticity
✔ Highly Collectible & Rare – 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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