Description
This carefully selected Cadoceras fossil ammonite is a striking specimen from the Lower Callovian stage of the Jurassic period, found in the Oxford Clay of the Cotswold Water Park, Gloucestershire, UK. The exact specimen you see in the listing photos is the one you will receive. A scale cube of 1cm is included for accurate sizing.
Professionally discovered and curated, this ammonite represents a rare opportunity to own a well-preserved example of this genus, notable for its distinctive shell features and paleontological significance.
Scientific & Geological Information:
- Genus: Cadoceras (formally described by Fischer, 1837)
- Family: Cadoceratidae
- Superfamily: Stephanoceratoidea
- Order: Ammonitida
- Geological Stage: Lower Callovian (Middle Jurassic)
- Formation: Oxford Clay
- Zone: Macrocephalites Zone (likely)
- Biozone: Cadoceras elatmae Biozone (regional correlation)
- Depositional Environment: Low-energy marine shelf with fine-grained clay deposition; anoxic bottom conditions that favoured exceptional fossil preservation
- Morphology Features: Strongly ribbed, involute to moderately evolute shell with deep constrictions and thick whorls; the ribbing is dense and bifurcating, a classic trait of Cadoceras
- Notable: Cadoceras is a key biostratigraphic marker in the Callovian and is rarely found in such complete, display-worthy condition. It holds importance in understanding Jurassic marine faunal succession in northern Europe.
Why Choose This Fossil?
- 100% genuine and legally collected specimen
- Includes Certificate of Authenticity
- Identified and cleaned by professionals
- Scientifically significant species from a well-known Jurassic locality
- Ideal for collectors, educators, or museum-quality display
Shipping & Handling:
- Secure packaging with tracked worldwide shipping
- Fully insured delivery available
Bring home a rare piece of Jurassic marine history with this authentic Cadoceras fossil ammonite from the historic Oxford Clay of Gloucestershire.
All of our Fossils are 100% Genuine Specimens & come with a Certificate of Authenticity.








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