Description
This striking 6.5″ Geyerina fasciata fossil ammonite originates from the renowned Inferior Oolite Formation of the Jurassic Coast, discovered in Burton Bradstock, Dorset, UK. A classic ammonite from the Bajocian Stage of the Middle Jurassic, this specimen is an exceptional example of its type.
- Species: Geyerina fasciata
- Geological Unit: Inferior Oolite Formation
- Geological Period: Middle Jurassic
- Stage: Bajocian
- Depositional Environment: Shallow marine carbonate platform
- Family: Sonniniidae
- Order: Ammonitida
Geyerina fasciata is recognised for its broad, compressed shell with strong ribbing that may bifurcate towards the outer whorls. Its morphology reflects an active, nektonic lifestyle typical of ammonites from this period.
This specific fossil was unearthed by our experienced fossil hunters, Alister and Alison, on 30 April 2025. It has been professionally cleaned and prepared by Alison to preserve all the natural detail and enhance its display value.
- Notable Features: Distinctive strong ribbing, fine preservation of growth lines
- Zone/Biozone: Parkinsoni Zone (inferred)
The listing includes a high-resolution photograph of the actual specimen you will receive. The scale cube is 1cm – refer to the image for precise sizing.
All of our Fossils are 100% Genuine Specimens & come with a Certificate of Authenticity.
This ammonite is ideal for collectors, educators, and anyone passionate about the geological heritage of Britain’s Jurassic Coast. A standout display piece from a highly sought-after locality.






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