Description
Large 4.5 Inch Fully Rooted Spinosaurus Tooth from the Kem Kem Beds
This exceptional 4.5-inch fully rooted Spinosaurus dinosaur tooth fossil originates from the world-renowned Kem Kem Beds within the Tegana Formation of the Kem Kem Basin, Morocco. Dating to the Upper Cretaceous period, specifically the Cenomanian stage approximately 100–94 million years ago, this specimen represents one of the most distinctive and specialised predatory dinosaurs ever discovered. The fossil shown in the photograph is the exact specimen you will receive, carefully selected for its completeness, preservation, and striking display quality.
Geological Setting – Tegana Formation, Kem Kem Basin
The Kem Kem Beds are among the most important fossil-producing regions globally, representing a vast ancient river and delta system connected to the Tethys Ocean during the Late Cretaceous. The Tegana Formation is composed predominantly of fluvial sandstones and siltstones deposited by river channels, floodplains, and estuarine environments. These conditions supported a rich and diverse ecosystem including large theropods, herbivorous dinosaurs, crocodilians, fish, and flying reptiles.
Rapid burial within these sedimentary environments allowed for the preservation of robust fossil material. Teeth, in particular, are commonly preserved due to their density, often retaining exceptional structural detail and integrity.
Fossil Type and Taxonomic Classification
This specimen is attributed to Spinosaurus, a member of the family Spinosauridae within the order Saurischia and clade Theropoda. Spinosaurids are among the most unusual theropod dinosaurs, characterised by elongated skulls, conical teeth, and adaptations for a semi-aquatic lifestyle. Unlike many large carnivorous dinosaurs, Spinosaurus is believed to have specialised in hunting fish and aquatic prey.
These fossils are highly sought after due to their rarity and their association with one of the most unique predators of the Cretaceous period.
Morphological Features and Notable Traits
This is a fully rooted tooth, meaning both the crown and root are preserved, making it a significantly more complete and desirable specimen. The tooth displays the classic conical, slightly curved shape typical of Spinosaurus dentition. Unlike serrated theropod teeth, it features a smooth enamel surface with fine longitudinal fluting, which strengthens the structure and improves grip on slippery prey.
The preserved root provides additional anatomical detail, offering insight into how the tooth was anchored within the jaw. At approximately 4.5 inches in length, this is a substantial specimen, showcasing both the size and predatory adaptations of this dinosaur. Natural wear patterns may be visible, further enhancing its authenticity and scientific value.
Depositional Environment and Preservation
The fossilisation process occurred within sediment-rich river systems where remains were rapidly buried by sand and silt. This rapid burial protected the tooth from scavenging and environmental damage. Over millions of years, mineralisation replaced the original biological material, preserving the tooth in stone while maintaining its original form and fine detail.
The Kem Kem Beds are particularly noted for producing well-preserved spinosaur teeth, often retaining excellent surface texture and structural strength.
Authenticity and Premium Certificate of Guarantee
This fossil is a genuine specimen and includes a fully hand-signed Premium Certificate of Authenticity, providing lifetime assurance of its origin and legitimacy. Each specimen is carefully handled and prepared to preserve its natural condition, ensuring you receive a high-quality and authentic fossil.
Ideal for Collectors, Display, and Investment
A fully rooted Spinosaurus tooth of this size is a standout centrepiece for any fossil or dinosaur collection. Its completeness, size, and association with one of the most iconic predators of the Cretaceous period make it highly desirable for collectors and enthusiasts. Whether displayed in a cabinet, office, or gallery setting, it offers a powerful and tangible connection to prehistoric life.
Size and Exact Specimen Assurance
This specimen measures approximately 4.5 inches in length. Please refer to the photograph for full sizing and scale. The fossil shown is the exact specimen you will receive, ensuring complete confidence and providing a unique and impressive addition to your collection.






Reviews
There are no reviews yet.