Description
This listing features a rare and beautifully preserved 6-inch fossil ammonite, Emileia brocchii, from the Middle Bajocian Stage of the Jurassic Period, found in the renowned Bruton–Cole Syncline of Somerset, United Kingdom. The image shows the actual fossil specimen you will receive. Each square or cube in the photo = 1cm — please refer to the image for full sizing.
This specimen is an excellent example of the species, ideal for collectors, academic research, or natural history display.
All of our Fossils are 100% Genuine Specimens & come with a Certificate of Authenticity.
Geological & Scientific Information:
- Fossil Type: Ammonite
- Species: Emileia brocchii
- Order: Ammonitida
- Superfamily: Stephanoceratoidea
- Family: Otoitidae
- Geological Stage: Middle Bajocian (~170.3 to 168.3 million years ago)
- Biozone: Emileia brocchii Biozone (used as an index fossil for the upper part of the Middle Bajocian)
- Formation: Inferior Oolite Group
- Locality: Bruton–Cole Syncline, Somerset, United Kingdom
- Depositional Environment: Shallow, warm marine shelf with ooidal limestones, indicative of high-energy carbonate platforms formed under subtropical seas
Morphology & Notable Features:
- Large, involute shell with thick whorls and a wide umbilicus
- Coarse, strongly ribbed ornamentation, with bifurcating and intercalated ribs
- Whorl cross-section is depressed and subrectangular
- Venter is rounded, typically without a keel
- A robust and heavy ammonite, often showing growth lines and suture details
- This particular specimen shows excellent definition in both ribbing and overall form
Scientific Significance:
Emileia brocchii is a key ammonite species used for biostratigraphic correlation in Middle Jurassic rocks across Europe. It defines a specific biozone (the Emileia brocchii Zone), making it highly significant for dating marine sedimentary sequences.
First formally described by d’Orbigny in the 19th century, E. brocchii continues to be a focal taxon for studies of ammonite morphology, paleoecology, and evolutionary lineage within the Otoitidae family.
Ideal For:
- Advanced fossil collectors or Jurassic ammonite specialists
- Biostratigraphic or paleontological reference collections
- Natural history museum-quality display
- Educational or university teaching collections
What You Will Receive:
- The exact 6″ Emileia brocchii fossil ammonite shown in the listing
- Certificate of Authenticity
- Secure, well-packed delivery with care instructions if required






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