Description
This Hyperlioceras cf. discites fossil ammonite is a scientifically significant specimen from the Middle Jurassic Inferior Oolite Formation, discovered on 17 January 2025 by our in-house field team, Alister and Alison, in Burton Bradstock, Dorset, UK. The fossil has been professionally cleaned, prepped, and treated by Alison for preservation and presentation.
You will receive the exact specimen shown in the photographs, including a 1cm scale cube for size reference. This piece was carefully selected for its rarity, aesthetic quality, and paleontological relevance.
Scientific & Geological Information:
- Genus/Species: Hyperlioceras cf. discites (originally described by Sowerby, 1816; identification tentative)
- Family: Graphoceratidae
- Superfamily: Hildoceratoidea
- Order: Ammonitida
- Geological Stage: Bajocian (Middle Jurassic)
- Formation: Inferior Oolite
- Zone: Discites Zone (tentative, based on morphology and stratigraphy)
- Biozone: Discites Biozone (regional correlation)
- Depositional Environment: Shallow, warm marine environment with carbonate and oolitic sedimentation
- Morphology Features: Moderately involute shell with finely ribbed whorls, compressed flanks, and a narrow ventral area; subtle ornamentation typical of early Graphoceratidae
- Notable: Hyperlioceras is an uncommon genus in the Inferior Oolite, making this example both regionally rare and scientifically interesting. The tentative identification (“cf.”) reflects its close affinity to the described species discites.
Why Choose This Fossil?
- 100% authentic and responsibly collected
- Includes Certificate of Authenticity
- Professionally cleaned and preserved by our expert preparator
- Rare genus, ideal for academic or display collections
- From the world-famous Jurassic Coast, a UNESCO World Heritage Site
Shipping & Handling:
- Secure packaging for international delivery
- Tracked worldwide shipping available
Add a rare and regionally significant Hyperlioceras cf. discites ammonite to your collection—a fossil that offers both aesthetic appeal and paleontological value.
All of our Fossils are 100% Genuine Specimens & come with a Certificate of Authenticity.






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