Description
RARE Fossil Ammonite – Emileia crater
An exceptional and scarce example of Emileia crater, discovered within the Inferior Oolite Formation of Burton Bradstock, part of the world-famous Jurassic Coast in Dorset, UK. This beautiful fossil ammonite is not only a scientifically notable find but also an outstanding piece for collectors due to its rarity and preservation.
Fossil & Geological Information:
- Species: Emileia crater
- Family: Emileiidae
- Superfamily: Stephanoceratoidea
- Order: Ammonitida
- Geological Stage: Bajocian (Middle Jurassic, approx. 170–168 million years ago)
- Formation: Inferior Oolite
- Location: Burton Bradstock, Dorset, UK
- Biozone: Associated with the Emileia crater Biozone, a key marker for mid-Bajocian stratigraphy
- Depositional Environment: Shallow, warm marine carbonate platform – ideal for ammonite preservation
- Morphological Features:
- Strongly ribbed, discoidal shell
- Broad umbilicus
- Coarse ornamentation with well-developed tubercles
- Prominent keels and flared outer whorls characteristic of the genus Emileia
- Notable: Emileia crater is a stratigraphically important and rare zonal index ammonite, used in biostratigraphy to correlate Bajocian-aged rocks across Europe
- Formal Identification: Recognised and described in early 20th-century palaeontological literature as a defining fossil of the Bajocian
Specimen Details:
- Discovery Location: Burton Bradstock, Dorset, UK
- Discovered by: Alister and Alison (UKGE Team)
- Date of Discovery: 17 January 2025
- Preparation: Cleaned and stabilised by Alison
- Scale Reference: Cube shown is 1cm (see images for accurate sizing)
- Photograph: The item shown is the exact fossil you will receive
- Authenticity: Includes Certificate of Authenticity – guaranteed 100% genuine fossil specimen
About the Inferior Oolite:
The Inferior Oolite is a well-known Jurassic limestone unit abundant with marine fossils, particularly ammonites. Fossils from this formation offer key insights into marine life during the Bajocian stage and are highly sought after by researchers and collectors alike.
Collector’s Note:
Due to the rarity and scientific significance of Emileia crater, pieces like this are seldom available on the open market. A must-have for serious ammonite enthusiasts or those interested in Jurassic marine paleontology.







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