Description
This listing is for a RARE and scientifically important ammonite fossil of Stephanoceras mutabile, a species from the Inferior Oolite Formation, specifically from the Humphriesianum Zone, Middle Bajocian Stage (Jurassic, ~170 million years old). This specimen was discovered at Red Hole Lane, Sherborne, Dorset, UK, an iconic locality known for its Middle Jurassic ammonites.
About the Species – Stephanoceras mutabile
Stephanoceras is a genus of ammonites known for its highly ribbed and tuberculate shell structure, displaying incredible suture patterns and complex ornamentation. These ammonites belonged to an extinct group of marine mollusks related to modern squids, cuttlefish, and octopuses.
Fossil Details:
- Species: Stephanoceras mutabile
- Fossil Type: Ammonite
- Formation: Inferior Oolite
- Zone: Humphriesianum Zone
- Geological Age: Middle Bajocian, Jurassic (~170 million years old)
- Location: Red Hole Lane, Sherborne, Dorset, UK
- Condition: Well-preserved fossil with exceptional natural details
- Size: 6 inches (15.2 cm) – See scale rule in photos for accurate measurements
Collection and Authenticity:
This fossil is part of the Alice Purnell Collection, one of the most significant ammonite collections in the world. It is 100% genuine and comes with a Certificate of Authenticity.
Why Buy From Us?
100% Genuine Specimen – Comes with a Certificate of Authenticity
From the prestigious Alice Purnell Collection
Perfect for collectors, museums, and educational purposes
You will receive the exact fossil shown in the photos. Worldwide shipping available with secure packaging.
This is a fantastic opportunity to own a museum-grade ammonite fossil from one of the UK’s most famous Jurassic fossil sites!
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