Description
This listing features a rare 12″ EOTHOPICOCERAS CONYBEARI ammonite fossil block, a stunning and scientifically significant specimen from the Lower Sinemurian stage of the Early Jurassic (~199–190 million years ago). This ammonite fossil was discovered in Shepton Mallet, United Kingdom, a site well known for its exceptional preservation of marine fossils.
Fossil Information:
- Species: EOTHOPICOCERAS CONYBEARI
- Fossil Type: Ammonite fossil block
- Geological Period: Lower Sinemurian, Jurassic (~199–190 million years ago)
- Formation: Blue Lias Formation
- Location: Shepton Mallet, United Kingdom
- Size: 12 inches (refer to scale in listing photos)
- Preservation: Excellent with visible shell details and matrix
Key Features:
✔ Rare species – Etophioceras conybearei is an uncommon ammonite fossil
✔ Beautiful natural preservation showcasing intricate shell patterns
✔ Large 12″ specimen – perfect for collectors, researchers, or display
✔ Comes with a Certificate of Authenticity
Scientific & Historical Significance:
Ammonites are an extinct group of marine mollusks related to modern squids and octopuses. EOTHOPICOCERAS CONYBEARI belonged to the family Arietitidae, known for its coiled, ribbed shell structure. This ammonite thrived during the Lower Sinemurian, a period characterized by widespread shallow marine environments. Fossils from this time offer invaluable insights into Jurassic marine ecosystems and ammonite evolution.
Authenticity & Certification:
All of our fossils are 100% genuine specimens and come with a Certificate of Authenticity. The specimen shown in the listing photos is the exact fossil you will receive.
Why Buy From Us?
This ammonite fossil comes from the prestigious Alice Purnell Collection, one of the largest and most respected fossil collections in the world. We take pride in offering carefully curated, high-quality fossils for collectors, researchers, and educational displays.
Don’t miss the opportunity to own a stunning piece of Jurassic history!







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