Description
This is a very rare and well-preserved 7″ Sonninia euhoploceras acanthodes fossil ammonite, dating to the Middle Bajocian stage of the Jurassic (~170 million years ago), discovered in Sherborne, Dorset, United Kingdom.
Sonninia euhoploceras acanthodes belongs to the Sonniniidae family, characterized by its thick evolute shell, pronounced ribbing, and distinctive spines. This ammonite was a free-swimming cephalopod that inhabited the warm marine environments of the Jurassic period.
The Middle Bajocian ammonites from Dorset are highly sought after, with limited specimens available on the market. This fossil is an excellent addition for collectors, researchers, and museum displays, showcasing a remarkable example of Jurassic marine life.
Geological Information:
- Formation: Inferior Oolite
- Stage: Middle Bajocian, Jurassic (~170 million years old)
- Location: Sherborne, Dorset, United Kingdom
- Depositional Environment: Shallow marine carbonate platform
Fossil Characteristics:
- Large, detailed Sonninia euhoploceras acanthodes ammonite
- Distinctive ribbing and spines on a well-preserved shell
- Rare ammonite species from the Middle Bajocian
- Ideal fossil for collectors, researchers, and display
Key Features:
- Authentic Sonninia euhoploceras acanthodes ammonite fossil
- Rare Middle Bajocian ammonite from Sherborne, Dorset
- 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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