Fossil Shark Fin Spine Rare Cephalic Spine Vectis Formation Isle of Wight Cretaceous Genuine Specimen Certificate Authenticity


£ 360.00

Genuine Fossil Shark Fin & Cephalic Spine – Isle of Wight Discovery

This exceptional fossil specimen features both a Shark Fin Spine and a rare
Cephalic Spine, recovered from the renowned Vectis Formation of the Isle of Wight, one of the UK’s most important Lower Cretaceous fossil-bearing deposits. Dating to the Barremian stage of the Early Cretaceous period, approximately 125 million years ago, this piece represents a fascinating glimpse into ancient marine ecosystems that once covered southern England.

Discovered by our dedicated team members, Alister and Alison, this fossil has been carefully cleaned, professionally prepared, and stabilised by Alison to preserve its intricate detail and ensure long-term durability. The specimen shown in the photographs is the exact piece you will receive, making it a unique and highly collectible item.

Scientific and Geological Context

The Vectis Formation is part of the Wealden Group and is well known for its lagoonal and coastal plain depositional environments, where freshwater and brackish conditions supported a diverse range of prehistoric life. Fossils from this formation often include fish, reptiles, and plant material, reflecting a dynamic ecosystem influenced by shifting sea levels and sediment-rich environments.

Shark fin spines are defensive and structural elements, typically composed of dentine and enamel-like tissues, providing both rigidity and protection. The presence of a cephalic spine is particularly rare and highly sought after, as these specialised structures are associated with certain extinct shark groups and are believed to have played roles in defence, display, or hydrodynamic function.

Morphology and Preservation

This specimen displays well-defined structural characteristics, with the fin spine showing natural curvature and surface texture consistent with fossilised cartilaginous fish remains. The accompanying cephalic spine adds significant rarity and scientific interest, enhancing both the visual appeal and the palaeontological importance of the piece.

The fossilisation process has preserved fine details in the surface morphology, including subtle ridging and growth features, which are indicative of the original biological structure. The natural colouring and mineralisation further highlight its authenticity and geological history.

Authenticity and Provenance

Every specimen we offer is 100% genuine and ethically sourced. This fossil comes complete with a fully hand-signed Premium Certificate of Authenticity, providing assurance of its origin, identification, and preparation. Our team personally discovers and prepares each piece, ensuring full traceability and confidence for collectors.

Display and Collectability

This fossil is an outstanding addition to any collection of marine fossils, Cretaceous specimens, or rare shark remains. Its dual-element composition makes it particularly desirable for collectors seeking unusual and scientifically interesting pieces. Whether displayed in a cabinet, study, or gallery setting, it serves as both a striking visual centrepiece and an educational artefact.

Full sizing is available in the accompanying photographs, allowing you to appreciate the scale and detail of this remarkable specimen.