Description
Offered for sale is a genuine fossil of the ammonite Discosphinctes, originating from the Lower Callovian stage of the Jurassic period, approximately 166 to 164 million years ago. This specimen was collected from the Kellaways Clay Formation at Ashton Keynes, a well-known locality in the United Kingdom for yielding exceptional marine fossils from the Middle Jurassic.
Ammonites like Discosphinctes were fast-swimming, predatory cephalopods related to modern squids and nautiluses. This genus is recognised for its discoidal shell and finely ribbed whorls, often flattened with a visible keel, making it a distinct and attractive fossil for both collectors and educational displays.
This particular specimen comes from the well-respected Alice Purnell Collection and has been hand-selected for its preservation, scientific integrity, and visual appeal. The photo shows the exact fossil you will receive, ensuring complete transparency and buyer confidence.
Geological and Species Information:
- Species: Discosphinctes (Ammonite)
- Type: Extinct marine cephalopod
- Geological Age: Jurassic – Lower Callovian Stage
- Formation: Kellaways Clay
- Locality: Ashton Keynes, United Kingdom
Key Features:
- 100% genuine fossil – includes a Certificate of Authenticity
- Exceptional example of a Middle Jurassic ammonite
- Carefully chosen from the Alice Purnell Collection
- Ideal for collectors, display, or educational purposes
- Scale Rule Squares / Cube = 1cm – please refer to photos for full sizing
Discosphinctes ammonites are relatively scarce and represent a fascinating period in Earth’s history when seas covered much of southern England. Their intricate shell structures make them both scientifically important and visually striking.
Own a real piece of Jurassic marine history today with this authentic Discosphinctes ammonite fossil from the UK.






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