Description
EUASPIDOCERAS tenuispinatum Fossil Ammonite – Upper Oxfordian Stage, Late Jurassic, Vienne, France
A striking and scientifically notable ammonite, this specimen of Euaspidoceras tenuispinatum hails from the Upper Oxfordian stage of the Late Jurassic Period, approximately 159 to 154 million years ago. Recovered from the fossil-rich limestone deposits in Vienne, France, this ammonite showcases exceptional preservation and displays the characteristic ornate ribbing and spination of the genus.
Fossil Type & Species:
- Type: Invertebrate Fossil (Ammonite Shell)
- Species: Euaspidoceras tenuispinatum
- Order: Ammonitida
- Superfamily: Perisphinctoidea
- Family: Aspidoceratidae
- Described by: Oppel, 1863
Geological & Stratigraphic Details:
- Location: Vienne, France
- Formation: Upper Jurassic limestone and marl sequences
- Geological Stage: Upper Oxfordian (Late Jurassic)
- Age: ~159–154 million years ago
- Biozone: Likely from the Perisphinctes ammonite biozone (subject to locality specifics)
- Depositional Environment: Shallow marine shelf with well-oxygenated carbonate sedimentation conducive to fossil preservation
Morphology & Features: This Euaspidoceras tenuispinatum specimen features:
- Globose, involute shell with prominent radial ribbing
- Delicate but well-defined spines or tubercles along the ribs
- Broad whorls with deep grooves between ridges
- Fine suture patterns if visible or polished
- Natural coloration in shades of cream, grey, or beige, sometimes highlighted by fossil matrix contrast
Notable: Euaspidoceras species are known for their spiny ornamentation and are prized by collectors for their dramatic appearance and scientific relevance. E. tenuispinatum in particular is an excellent biostratigraphic indicator and provides key data for understanding ammonite evolution in the Late Jurassic of Europe.
Specimen Details:
- Origin: Vienne, France
- Species: Euaspidoceras tenuispinatum
- Fossil Type: Ammonite Shell (Invertebrate)
- Geological Stage: Upper Oxfordian, Late Jurassic
- Size Reference: Scale rule square = 1cm (please refer to the photo for exact dimensions)
- Note: The photographed specimen is the exact item you will receive
Authenticity & Quality: This fossil is 100% genuine and carefully selected for its display quality and scientific integrity. It is accompanied by a Certificate of Authenticity and has not been artificially reconstructed or enhanced.
Why Choose This Fossil? Perfect for:
- Advanced fossil collectors
- Scientific and educational displays
- Ammonite enthusiasts and stratigraphy students
- Decorative natural history displays
Shipping & Packaging: We use eco-friendly and secure packaging. Your fossil will be safely wrapped and shipped with full tracking to ensure it arrives in excellent condition.
Add a visually spectacular and scientifically significant ammonite to your collection with this rare Euaspidoceras tenuispinatum from the Jurassic seas of Vienne, France.
All of our Fossils are 100% Genuine Specimens & come with a Certificate of Authenticity.
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