Description
This listing features a rare and well-preserved 5-inch fossil ammonite, Gleviceras victoris, from the Lower Pliensbachian Stage of the Early Jurassic Period, discovered in Radstock Grove Quarry, Radstock, Somerset, United Kingdom. The photo shows the exact fossil specimen you will receive. Each cube in the scale image equals 1cm — please refer to the photo for full sizing.
This fossil is a carefully selected specimen, ideal for collectors, scientific study, or educational display.
All of our Fossils are 100% Genuine Specimens & come with a Certificate of Authenticity.
Geological & Scientific Information:
- Fossil Type: Ammonite
- Species: Gleviceras victoris
- Order: Ammonitida
- Superfamily: Psiloceratoidea
- Family: Oxynoticeratidae
- Geological Stage: Lower Pliensbachian (~190.8 – 182.7 million years ago)
- Biozone: Davoei Zone
- Formation: Lower Lias Formation
- Locality: Radstock Grove Quarry, Radstock, Somerset, England, UK
- Depositional Environment: Low-energy marine shelf; fine calcareous mudstones and dark shales typical of the Early Jurassic Lias Group
Morphology & Notable Features:
- Involute, highly compressed shell with very narrow umbilicus
- Smooth flanks or very fine ribbing depending on preservation
- Venter typically sharp or keeled
- Sleek, hydrodynamic shell adapted to deeper marine life
- Finely preserved suture lines may be visible in higher-grade specimens
Scientific Significance:
Gleviceras victoris is a significant ammonite species used to correlate Lower Pliensbachian marine sediments, especially in the Davoei Biozone. It represents a streamlined evolutionary path within the Oxynoticeratidae, adapted to open marine settings.
It appears frequently in British Lower Lias fossil studies and contributes important data on Early Jurassic ammonite radiation following the end-Sinemurian faunal turnovers.
Ideal For:
- Ammonite and fossil collectors
- University geology departments or museums
- Educational fossil displays
- Stratigraphic research collections
What You Will Receive:
- The exact Gleviceras victoris fossil shown
- Certificate of Authenticity
- Secure, professional packaging for safe worldwide shipping






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