Description
This Bigotites petri Fossil Ammonite comes from the Upper Bajocian stage of the Jurassic period, discovered in Normandy, France. The fossil is a 100% genuine specimen, accompanied by a Certificate of Authenticity. This ammonite offers an outstanding example of Bigotites petri, showcasing the intricate spiral structure and beautiful preservation typical of Jurassic ammonites.
Geology and Fossil Type
- Geological Stage: Upper Bajocian, Jurassic
- Depositional Environment: Marine (The Normandy region, during the Jurassic period, was part of a shallow marine environment, which provided ideal conditions for the preservation of ammonites like Bigotites petri.)
- Family: Ammonitidae (the family of ammonites, which includes a variety of ammonites)
- Superfamily: Ammonitoidea
- Order: Ammonitida (the order of ammonites, part of the Cephalopoda class, closely related to modern squid and octopus)
Morphology Features
The Bigotites petri ammonite is characterized by its distinct spiral shape with ribbed, coiled shell. The fossil shows excellent preservation, with the smooth, tight spiral clearly visible, along with well-defined ribs that create the distinct texture of the shell. The suture lines on the shell are also well-preserved, adding another layer of detail to this stunning ammonite.
Biozone
The Upper Bajocian biozone is part of the Middle Jurassic, a time when ammonites were abundant and diverse. Fossils from this biozone, like Bigotites petri, provide critical information about the marine ecosystems of the time, particularly the ammonites, which dominated the oceans during the Jurassic period.
Notable Features
This fossil is notable for its exceptional preservation and distinctive spiral shape. The well-preserved ribbing and suture lines offer a rare opportunity to study the fine details of Bigotites petri. The ammonite’s shape and condition make it a perfect addition to any fossil collection, especially for those interested in Jurassic marine life.
Size and Presentation
- Scale Rule Squares: 1cm
- Full sizing is provided in the photos, so you can see the exact size of the ammonite.
- Actual Fossil: The fossil pictured is the exact piece you will receive.
Key Selling Points
- 100% Genuine Fossil
- Comes with a Certificate of Authenticity
- A well-preserved Bigotites petri ammonite from the Upper Bajocian, Jurassic period
- Clear spiral shape, well-defined ribbing, and suture lines
- Perfect for collectors and those interested in Jurassic marine life
This Bigotites petri Fossil Ammonite from the Upper Bajocian, Jurassic period, is a rare and well-preserved specimen, offering a glimpse into ancient marine life. Its unique features, excellent preservation, and detailed structure make it a valuable addition to any fossil collection, particularly for those interested in the Jurassic period.





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