Description
This listing features a rare and scientifically significant fossil specimen of Erymnoceras coronatus, a classic ammonite species from the Chantier zone of the Middle Callovian stage in the Jurassic period. It was discovered in Montrail Bellay, France—one of the key reference localities for this species.
Erymnoceras coronatus is recognised for its striking shell morphology with strong ribbing, tuberculate ornamentation, and coronate whorls. These distinctive features make it one of the more ornate and collectible ammonite species from the Jurassic seas of Western Europe. The genus belongs to the family Stephanoceratidae, under the superfamily Stephanoceratoidea, within the order Ammonitida.
Geological & Scientific Details:
- Scientific Name: Erymnoceras coronatus
- Fossil Type: Ammonite (Extinct Marine Cephalopod)
- Geological Period: Jurassic
- Stage: Middle Callovian (approx. 164–163 million years ago)
- Zone: Chantier Zone
- Location Found: Montrail Bellay, France
- Order: Ammonitida
- Superfamily: Stephanoceratoidea
- Family: Stephanoceratidae
- Morphological Features: Robust shell, strongly ribbed with tubercles, coronate appearance
- Depositional Environment: Marine shelf deposits in temperate Jurassic seas of Europe
This specimen represents an iconic ammonite species from the Callovian of France and is of high interest to collectors, paleontologists, and educators. The fossil displays the detailed preservation typical of this classic European locality, showcasing the evolutionary complexity of mid-Jurassic ammonoids.
All of our Fossils are 100% Genuine Specimens & come with a Certificate of Authenticity.
Please Note:
- Scale Rule Squares / Cube = 1cm – full sizing is visible in the photo
- You will receive the exact fossil pictured – carefully selected for quality, scientific interest, and display impact
Own a genuine piece of Jurassic history with this rare Erymnoceras coronatus fossil from France’s renowned Chantier Zone.





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