Spinosaurus Tooth - Fossil Specimen

Locality: Kem Kem Beds, near Taouz, Errachidia Province, Drâa-Tafilalet Region, Sahara Desert, Morocco

Era: Mesozoic
Geological Age: Late Cretaceous, Cenomanian 100.5 to 93.9 mya

Spinosaurus aegyptiacus was named in 1915 by the German palaeontologist Ernst Stromer, from a partial skeleton that the collector Richard Markgraf found in 1912 in the Bahariya Oasis of western Egypt. That skeleton was the only indisputable specimen of the species. It was destroyed on the night of 24–25 April 1944, when a bombing raid on Munich hit the museum that housed it, and only Stromer's notes, drawings and photographs survived.

Nearly a century later, Nizar Ibrahim and colleagues described a new partial Spinosaurus skeleton from the Kem Kem beds of southeastern Morocco, published in Science in September 2014. Comparing it with Stromer's surviving records, they concluded that Spinosaurus was at least partly aquatic, the first dinosaur known with such adaptations. Its nostrils sat far back on the skull, its hindlimbs were short, and its limb bones were solid, which would have helped with buoyancy control in water.

The Kem Kem beds form desert cliffs in the Moroccan Sahara. In the Cretaceous the area was part of a large river system, home to large sharks, coelacanths, lungfish and crocodile-like animals, along with giant flying reptiles and predatory dinosaurs.

This one of a kind Spinosaurus tooth fossil specimen has a slim, tapering shape with a dark brown crown that narrows to a clean, intact point. The upper half is lighter and more matte, with tan to sandy brown fossil texture across the root section. There is a noticeable color shift near the middle where the darker enamel transitions into the rougher, more weathered upper portion, giving the tooth a strong natural contrast.

This piece has a leaner profile than some thicker Spinosaurus teeth, with a gentle curve and a well-preserved tip that gives it a clean display outline. The root end is naturally broken and still carries fossil texture and attached matrix, while the crown shows the smoother, denser look expected from preserved enamel. Dark streaking and mottled patches near the center add to the unearthed look without taking away from the overall form.

Spinosaurus teeth are recognized by their conical shape, which differs from the flatter, blade-like teeth of many other predatory dinosaurs. That shape suited gripping prey rather than slicing it. This specimen has a natural, field-found appearance and a clear profile that makes it easy to appreciate as a genuine prehistoric tooth.

Quantity: 1pc

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