Lytoceras fimbriatum Ammonite Fossil | Upper Lias, Toarcian Jurassic | Ravenscar Yorkshire UK | Alice Purnell Collection

Description

Fossil Type & Species:

This listing features a genuine ammonite fossil of Lytoceras fimbriatum, an elegant lytoceratid species from the Toarcian Stage of the Early Jurassic Period. This particular specimen was found in Ravenscar, North Yorkshire, UK, and comes from the reputable Alice Purnell Collection, renowned for high-quality British fossils with documented provenance.

Geological Formation & Insight:

Lytoceras is a genus of ammonites within the family Lytoceratidae, known for their smooth, evolute coiling and highly complex, frilled suture patterns. Lytoceras fimbriatum is a classic species within this genus, noted for its graceful whorls and fine ornamentation, making it a prized collector’s fossil from Jurassic marine strata.

This specimen comes from the Upper Lias (Toarcian Stage) of the Jurassic Period, dated to approximately 183 to 174 million years ago. The Ravenscar Group exposures on the Yorkshire coast are famous for yielding exceptionally preserved marine fossils, including ammonites, belemnites, bivalves, and marine reptiles — all once inhabitants of the warm, shallow seas that covered the region.

The fine-grained marine mudstones and shales in the area allowed for superb fossil preservation, often capturing exquisite shell detail and suture lines, as seen in this specimen.

Item Specifics:

• Fossil Type: Ammonite
• Species: Lytoceras fimbriatum
• Geological Age: Toarcian Stage, Early Jurassic (~183–174 million years ago)
• Formation: Upper Lias, Ravenscar Group
• Locality: Ravenscar, North Yorkshire, United Kingdom
• Provenance: From the Alice Purnell Collection
• Preservation: Excellent, with visible coiling and suture detail
• Colour: Typically grey to brown matrix with natural fossil contrast
• Size: See photo – scale rule/cube = 1cm
• Condition: 100% natural with no restoration
• Specimen: You will receive the exact fossil shown in the photograph

Authenticity Guarantee:

All of our Fossils are 100% Genuine Specimens & come with a Certificate of Authenticity. This ammonite fossil is part of the Alice Purnell Collection, ensuring professional-grade curation, provenance, and authenticity.

Shipping & Packaging:

Securely packed and shipped with tracking. Perfect for fossil collectors, museum displays, educational use, or as a rare natural history gift.

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