RARE Oppelia (Oppelia) subradiata Fossil Ammonite, Inferior Oolite, Jurassic Coast: Burton Bradstock, Dorset, UK – 100% Genuine Fossil

Description

Fossil Type: Oppelia (Oppelia) subradiata Fossil Ammonite

Geological Formation: Inferior Oolite

Location: Burton Bradstock, Dorset, United Kingdom

Geological Age: Jurassic

Certificate of Authenticity Included

Scale Cube = 1cm

Full Sizing Visible in Photos

This Oppelia subradiata fossil ammonite from the Inferior Oolite formation of the Jurassic Coast is a stunning specimen that showcases the rich marine life that existed during the Jurassic period. Discovered by our expert team, Alister and Alison, on 30 April 2025, this ammonite fossil has been carefully cleaned, prepped, and treated by Alison, preserving the intricate details of the shell and its unique morphology.

The Oppelia subradiata is known for its distinctive ribbed pattern and its well-preserved spiral shape. This fossil ammonite is a remarkable find and offers an opportunity to own a true piece of the Jurassic Coast’s natural history.

Species and Morphology Information:

• Species: Oppelia (Oppelia) subradiata
• Geological Age: Jurassic (specifically from the Inferior Oolite formation)
• Depositional Environment: The Inferior Oolite formation is a well-known sedimentary layer that represents shallow marine conditions. Fossils found here often include marine organisms, such as ammonites, bivalves, and brachiopods, preserved in a carbonate-rich environment.
• Morphology Features: The Oppelia subradiata is characterized by its ribbed shell, a feature that provides it with a striking and distinctive appearance. Its spiral form is well-preserved, with visible suture lines and whorls that are characteristic of the Oppelia genus. The fossil shows the ammonite’s typical ribbed structure, which is a defining feature of this species.
• Notable Features: This ammonite is particularly notable for its excellent preservation and clear display of its shell’s structure. The Oppelia subradiata is a less commonly found species in the Inferior Oolite, making this specimen an exceptional and valuable piece for collectors.
• Family: Oppeliidae
• Superfamily: Ammonoidea
• Order: Ammonitida
• Biozone: The ammonite species Oppelia subradiata is commonly found in the Inferior Oolite biozone, which is a stratigraphic interval of the Middle Jurassic, specifically the Lower Jurassic.
• Depositional Environment: The fossil was deposited in a shallow marine environment that existed during the Jurassic period, characterized by warm, shallow seas that were rich in marine life, including ammonites, brachiopods, and bivalves.

Size and Visuals:

This Oppelia subradiata fossil ammonite measures approximately 5.5 inches (14 cm) in size, and the scale cube shown in the photos represents 1cm. The fossil is carefully chosen to ensure that it is the best possible specimen, showing clear details of the ammonite’s ribbed shell and spiral form.

Authenticity and Certification:

This Oppelia subradiata fossil ammonite is 100% genuine, with a Certificate of Authenticity included. It has been cleaned, prepped, and treated by Alison, ensuring that it is preserved in the best possible condition for display or educational purposes. The fossil was discovered in the Inferior Oolite formation of Burton Bradstock, part of the Jurassic Coast in Dorset, UK.

Why Buy This Fossil:

• Authentic and Certified: This fossil is a genuine specimen that comes with a Certificate of Authenticity.
• Educational Value: The Oppelia subradiata fossil ammonite provides insight into Jurassic marine life, showcasing the ribbed structure and spiral shape that made ammonites so unique.
• Perfect for Display: This fossil makes an excellent display piece, ideal for fossil collectors, educational institutions, or anyone interested in paleontology.
• Rare Find: Fossils of Oppelia subradiata are not commonly available, making this a valuable addition to any ammonite collection.
• Highly Preserved: This fossil has been carefully cleaned and treated to maintain its natural beauty, ensuring it will last for years to come.

Note: The photo shown is of the actual specimen you will receive. The scale cube represents 1cm, and full size details are visible in the photos.