Description
This listing features a genuine Cadoceras durum fossil ammonite, discovered in the renowned Kellaways Clay Formation, Lower Callovian, Jurassic period, from Ashton Keynes/Dorset, United Kingdom. This region is famous for its rich fossil beds, providing exceptional specimens for collectors and researchers.
Cadoceras durum is an extinct species of ammonite, known for its ribbed shell structure and significant role in Jurassic marine ecosystems. Ammonites are prized among fossil enthusiasts for their distinct spiral forms and historical significance as index fossils, helping geologists date rock layers.
Fossil Information:
- Species: Cadoceras durum (Ammonite)
- Fossil Type: Complete Ammonite
- Geological Formation: Kellaways Clay
- Age: ~165 million years old (Lower Callovian, Jurassic)
- Location: Ashton Keynes/Dorset, United Kingdom
- Size: Full sizing provided in photos
- Preservation: Excellent natural preservation with detailed ribbing and suture lines
Key Features:
✔ Authentic Cadoceras durum fossil ammonite from the Jurassic era
✔ Sourced from the Kellaways Clay Formation, a renowned fossil site
✔ Well-preserved with visible ribbing and spiral structure
✔ Ideal for fossil collectors, educators, and museum displays
Authenticity & Certification:
All of our fossils are 100% genuine specimens and come with a Certificate of Authenticity. The fossil shown in the photos is the exact specimen you will receive.
Why Buy From Us?
This Cadoceras durum ammonite fossil is part of the Alice Purnell Collection, one of the largest and most respected fossil collections in the world. We specialize in museum-grade fossils, ensuring each piece is carefully selected for its scientific and aesthetic value.
Add this stunning piece of Jurassic history to your collection today!







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