Description
This is a rare and scientifically significant Fagesia pachydiscus fossil ammonite, dating to the Lower Turonian stage of the Late Cretaceous (~93-89 million years ago), discovered in Soria Burgos, Spain. What makes this specimen exceptional is the association of a gastropod and two echinoids preserved alongside the ammonite, providing a unique window into an ancient Cretaceous marine ecosystem.
Fagesia pachydiscus is a member of the Acanthoceratidae family, known for its thick, robust shell with complex suture patterns and ribbed ornamentation. The accompanying gastropod and echinoids suggest that this fossil was buried in a rich marine environment, capturing a moment in prehistoric seabed life.
The Lower Turonian period was marked by rising sea levels, creating widespread marine habitats where ammonites, echinoids, and gastropods thrived. Fossils like this one help paleontologists understand species interactions and the biodiversity of the Late Cretaceous seas.
This museum-quality fossil is highly collectible, offering scientific and aesthetic value to both researchers and collectors.
Geological Information:
- Formation: Cretaceous Marine Deposits
- Stage: Lower Turonian, Late Cretaceous (~93-89 million years old)
- Location: Soria Burgos, Spain
- Depositional Environment: Shallow marine seafloor with fine-grained sedimentation
Fossil Characteristics:
- Well-preserved Fagesia pachydiscus ammonite with ribbing and suture detail
- Gastropod and two echinoids preserved in association
- Rare Late Cretaceous ammonite from Spain
- Exceptional fossil for collectors and researchers
Key Features:
- Authentic Fagesia pachydiscus fossil ammonite with gastropod and echinoids
- Rare and scientifically valuable specimen from the Turonian stage
- From the Alice Purnell Collection
- 100% genuine specimen with Certificate of Authenticity
Scale Rule / Cube = 1cm – Please refer to the photos for accurate sizing.
All fossils are securely packaged for worldwide shipping.











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