This is a rare and impressive 14" Coroniceras charlesi fossil ammonite, dating back to the Lower Sinemurian stage of the Early Jurassic period (~199-196 million years ago), discovered at Monmouth Beach, Lyme Regis, United Kingdom. Coroniceras belongs to the Arietitidae family and is known for its large, evolute shell with fine ribbing and a prominent keel.

Monmouth Beach in Lyme Regis is one of the most famous fossil localities in the world, forming part of the Jurassic Coast UNESCO World Heritage Site. The Bucklandi Bed, where this specimen was found, is a rich source of early Jurassic marine fossils, providing insight into the evolution of ammonites and other prehistoric marine life.

This spectacular ammonite is highly collectible due to its size, rarity, and exceptional preservation, making it a must-have for fossil enthusiasts, collectors, and researchers.

Geological Information:

• Formation: Lower Lias Group (Bucklandi Bed)
• Stage: Lower Sinemurian, Early Jurassic (~199-196 million years old)
• Location: Monmouth Beach, Lyme Regis, United Kingdom
• Depositional Environment: Shallow marine seafloor with fine-grained sedimentation

Fossil Characteristics:

• Large, evolute shell with distinct ribbing and a well-defined keel
• Exceptional preservation, showcasing intricate growth lines and suture patterns
• Rare Early Jurassic ammonite from the famous Jurassic Coast
• Highly desirable due to its scientific and display value

Key Features:

• Authentic Coroniceras charlesi fossil ammonite
• Rare and well-preserved specimen from the Lower Sinemurian
• From the Alice Purnell Collection
• 100% genuine specimen with Certificate of Authenticity

Scale Rule / Cube = 1cm – Please refer to the photos for accurate sizing.

All fossils are securely packaged for worldwide shipping.