Description
This listing features a RARE ammonite fossil of Chondroceras gervillii, collected from the Middle Bajocian Stage of the Jurassic Period, near Bruton, Somerset, United Kingdom. Dating back approximately 170–168 million years, this distinctive British ammonite represents a significant and sought-after example of Middle Jurassic marine life.
The fossil is 100% genuine and comes with a Certificate of Authenticity. The specimen shown in the photo is the exact one you will receive. Scale cube = 1cm — please refer to the image for full sizing.
Geological & Scientific Information:
- Fossil Type: Ammonite (extinct marine mollusc)
- Species: Chondroceras gervillii
- Family: Sonniniidae
- Superfamily: Hildoceratoidea
- Order: Ammonitida
- Geological Stage: Middle Bajocian, Jurassic (~170–168 million years ago)
- Location: Bruton, Somerset, United Kingdom
- Depositional Environment: Shallow marine, with well-bedded clay and marl layers typical of southern England’s Middle Jurassic strata
- Biozone Relevance: Chondroceras species are used to define specific ammonite zones in the Bajocian of Europe
Morphological Features:
- Moderately involute, compressed shell with narrowly rounded venter
- Prominent sinuous ribbing that bifurcates mid-flank
- Distinctive growth lines and fine shell detail often visible under good preservation
- Typical for the genus, this species has a balanced symmetry and elegant whorl profile
Scientific & Collector Importance: Chondroceras gervillii is a regionally important ammonite, contributing to the detailed zonation and palaeobiogeography of the British Bajocian system. Specimens from Bruton are particularly valued due to their stratigraphic resolution and visual preservation.
Collector & Display Value:
- Rare ammonite from a well-documented UK Jurassic site
- Excellent specimen for fossil collectors, researchers, or educators
- Beautiful natural detail and display-ready condition
Why Buy from Us?
- All fossils are 100% genuine and responsibly sourced
- Supplied with a Certificate of Authenticity
- Professionally prepared, identified, and photographed
Own a rare and scientifically significant ammonite fossil with this Chondroceras gervillii from the Middle Jurassic beds of Bruton—a prized addition to any fossil collection.






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