Leptosphinctes leptus Fossil Ammonite – Middle Bajocian, Jurassic – Caen, France – Alice Purnell Collection – 100% Genuine with Certificate

Description

This listing features a genuine Leptosphinctes leptus fossil ammonite from the Middle Bajocian Stage of the Jurassic Period, dating back approximately 170 to 168 million years ago. This beautiful specimen was discovered in Caen, France, and is part of the highly regarded Alice Purnell Collection, known for high-quality, curated fossil specimens.

Leptosphinctes leptus is a member of the family Perisphinctidae and is recognised by its relatively involute shell, fine and dense ribbing, and compressed whorl section. These marine cephalopods were free-swimming organisms that thrived in shallow seas, playing an important role in the Jurassic marine ecosystem as agile predators.

This specimen shows clear ribbing and whorl definition, with natural preservation in matrix, making it an ideal display piece for collectors or educational institutions.

Geological Context: The Middle Bajocian is part of the Dogger epoch of the Jurassic Period and is renowned for its rich marine fossil record, especially ammonites. The area surrounding Caen in northern France is well known for its Jurassic limestone and marl deposits, which frequently yield well-preserved ammonite specimens that are essential to biostratigraphic studies.

Key Details:

• Species: Leptosphinctes leptus (Fossil Ammonite)
• Fossil Type: Extinct marine cephalopod
• Age: Middle Bajocian, Jurassic (~170–168 million years ago)
• Location Found: Caen, France
• Provenance: From the Alice Purnell Collection
• Size: See photo with scale cube (1cm squares) for full sizing
• Condition: Excellent preservation, natural matrix, visible shell morphology
• Authenticity: Supplied with a Certificate of Authenticity
• Photo: The actual specimen shown in the listing is what you will receive

Scientific & Collector Value: Leptosphinctes leptus is an excellent index fossil for the Bajocian and is used by paleontologists to correlate Jurassic rock layers. Its distinct morphology and provenance from a known locality such as Caen enhance its value. The inclusion in the Alice Purnell Collection further guarantees the fossil’s significance and authenticity.

All of our Fossils are 100% Genuine Specimens & come with a Certificate of Authenticity.

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Add a beautifully preserved example of Jurassic marine life to your collection with this Leptosphinctes leptus ammonite fossil from Caen, France.