Description
Offered here is an excellent Sowerbyceras tortisulcatum fossil ammonite, dating from the Oxfordian stage of the Late Jurassic Period (approximately 163.5 to 157.3 million years ago). This fossil was discovered in Drôme, France, a renowned locality for Jurassic marine fossil finds.
Sowerbyceras is a well-known genus of tightly coiled, ribbed ammonites, often distinguished by their rounded whorls and fine, regular sculpturing. These marine cephalopods were part of the rich ecosystems that inhabited the warm shallow seas of the Late Jurassic, and their fossils are key to understanding ammonite evolution and paleoenvironments.
This specimen forms part of the highly regarded Alice Purnell Collection, ensuring a high level of authenticity and careful curation. The photo shown is of the exact fossil specimen you will receive. A 1cm scale cube is included in the photo for sizing reference, and every item is supplied with a Certificate of Authenticity.
Key Details:
- Species: Sowerbyceras tortisulcatum
- Fossil Type: Ammonite (extinct marine cephalopod)
- Geological Period: Oxfordian, Jurassic (~163.5–157.3 million years ago)
- Location Found: Drôme, France
- Size: Please see photo (scale cube = 1cm)
- Authenticity: 100% Genuine Specimen – Certificate of Authenticity included
- Photo: The exact specimen you will receive
Scientific and Collector Importance: Sowerbyceras ammonites are highly valued both for their scientific use as index fossils in stratigraphy and for their beautiful preservation and form, making them a favourite among fossil collectors and researchers alike. Their presence helps in dating and interpreting Jurassic marine sedimentary layers worldwide.
This Sowerbyceras tortisulcatum fossil ammonite is a striking and historically significant addition for any serious fossil enthusiast or natural history collector.
All of our Fossils are 100% Genuine Specimens & come with a Certificate of Authenticity.
Fast & Secure Shipping – Professionally packed for worldwide delivery.
Add a genuine relic of the Jurassic seas to your collection with this exceptional Sowerbyceras tortisulcatum ammonite!






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