Description
Fossil Ammonite – Phymatoceras robustum
Geological Formation: West Bay, Dorset, United Kingdom
Geological Period: Lower Toarcian, Jurassic (approximately 183 million years ago)
Certificate of Authenticity Included
Scale Rule Squares / Cube = 1cm
Full sizing details in the photo
This Phymatoceras robustum fossil ammonite is a rare and highly preserved specimen from the Lower Toarcian of the Jurassic period, around 183 million years ago. It was discovered in West Bay, Dorset, United Kingdom, an area famous for its rich fossil deposits and striking geological features. The ammonite shows remarkable preservation and detail, making it a beautiful piece for any fossil collection.
Species and Morphology Information:
- Species: Phymatoceras robustum
- Geological Age: Lower Toarcian (~183 million years ago)
- Depositional Environment: This ammonite fossil comes from a marine environment that existed during the Jurassic period. It was deposited in an ancient shallow sea that supported a wide range of marine life.
- Morphology Features: The Phymatoceras robustum species is known for its coiled, ribbed shell that is strongly involute with a distinctive broad and flattened shape. The ribbing on the shell is well-preserved, showing the structural strength of the ammonite.
- Notable Features: This fossil showcases a beautifully preserved example of a marine ammonoid. The preservation allows for the intricate ribbing and shape of the shell to be easily observed.
- Family: Phymatoceratidae
- Superfamily: Ammonoidea
- Order: Ammonitida
- Depositional Environment: The fossil was formed in marine sedimentary deposits, where ammonites thrived as part of the ocean’s diverse ecosystems. Fossils from this period offer insights into marine life and the geological history of the Jurassic era.
Size and Visuals:
This Phymatoceras robustum fossil ammonite measures approximately 5 inches across (as shown in the photos). The scale rule in the image represents 1cm, and full-size details are provided through the photos.
Authenticity and Certification:
This Phymatoceras robustum fossil ammonite is 100% genuine and comes with a Certificate of Authenticity. The certificate verifies the Lower Toarcian age and origin from West Bay, United Kingdom.
Why Buy This Fossil:
- Genuine Fossil: Comes with a Certificate of Authenticity verifying its Lower Toarcian age and West Bay origin.
- Rare and Collectible: This Phymatoceras robustum fossil is a rare and beautiful specimen, sought after for its distinctive features and historical significance.
- Perfect for Display: A stunning display piece for any fossil collection, museum, or natural history enthusiast.
- Educational Value: Offers valuable insight into marine ecosystems during the Jurassic period and the evolution of ammonoids.
Note: The photo shown is of the actual specimen you will receive. The scale cube in the image represents 1cm, and full-size details are provided through the photos.





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