Description
STRIGOCERAS strigifer Ammonite Fossil – Bajocian Stage, Middle Jurassic, Dundry Hill, Bristol, United Kingdom
This beautifully preserved specimen of Strigoceras strigifer is an authentic ammonite fossil from the Bajocian stage of the Middle Jurassic, approximately 170 to 168 million years ago. Discovered on the historically important Dundry Hill near Bristol, England, this piece represents one of the key cephalopod faunas of the British Jurassic coast.
Fossil Type & Species:
- Type: Invertebrate Fossil (Ammonite Shell)
- Species: Strigoceras strigifer
- Order: Ammonitida
- Superfamily: Stephanoceratoidea
- Family: Strigoceratidae
- Described by: Oppel, 1857
Geological & Stratigraphic Details:
- Location: Dundry Hill, near Bristol, South West England, UK
- Formation: Inferior Oolite Group
- Geological Stage: Bajocian, Middle Jurassic
- Age: ~170–168 million years ago
- Biozone: Parkinsoni Zone (Middle to Late Bajocian ammonite zone)
- Depositional Environment: Shallow epicontinental marine platform with carbonate sedimentation and high fossil diversity
Morphology & Features: The Strigoceras strigifer fossil exhibits:
- Involute coiling with narrow whorls and deeply impressed sutures
- Sharp ribbing that bifurcates from the inner whorls to the outer flank
- Pronounced keel or venter, which aids in species identification
- High preservation fidelity, often capturing surface ornamentation and whorl detail
- Natural fossil coloration in earthy browns and greys, occasionally highlighted by mineral contrast
Notable: Strigoceras strigifer is an iconic ammonite from the British Middle Jurassic and serves as a valuable index fossil for correlating Bajocian-aged rock layers. Dundry Hill has been a classical locality for ammonite research since the 19th century and continues to yield important specimens to this day.
Specimen Details:
- Origin: Dundry Hill, Bristol, England, United Kingdom
- Species: Strigoceras strigifer
- Fossil Type: Ammonite Shell (Invertebrate)
- Geological Stage: Bajocian, Middle Jurassic
- Size Reference: Scale rule square = 1cm (see listing photos for full dimensions)
- Note: The specimen shown in the photo is the exact piece you will receive
Authenticity & Quality: This fossil is 100% genuine and professionally sourced. It includes a Certificate of Authenticity and has not been reconstructed or artificially enhanced.
Why Choose This Fossil? An ideal addition for:
- Serious ammonite and Jurassic collectors
- Fossil-based education and palaeontology studies
- Decorative scientific or historical display
- Gifts for natural history enthusiasts
Shipping & Packaging: We use eco-friendly materials and ship worldwide with full tracking and secure packaging. Each item is handled with the utmost care.
Own a classic piece of British Jurassic palaeontology with this exceptional Strigoceras strigifer ammonite fossil from Dundry Hill.
All of our Fossils are 100% Genuine Specimens & come with a Certificate of Authenticity.






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