Late Cretaceous Period Fossilized Dinosaur Tooth – Spinosaurus - 122 mm

"Dinosaur Tooth – Spinosaurus

Culture / Period: Late Cretaceous Period
Date / Period: Between 99 and 93.5 million years ago
Material: Fossilised material
Dimensions: 122 mm
Condition: Good condition; fossil surface wear, mineral deposits, and age-related preservation features visible

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Provenance information:
Object Registration ID: 50

The current owner purchased the Spinosaurus tooth from a private collector, Hans L., in Eindhoven.
The previous owner, Hans L. from Eindhoven, the Netherlands, stated that the object had been in his collection since the 1990s.
According to the previous owner, the object had previously been in a private collection in the Netherlands since the 1970s.
No further information concerning the earlier ownership history of the object is available.

Background Information:
This fossilised tooth is attributed to Spinosaurus, a large theropod dinosaur from the Late Cretaceous Period. Spinosaurus is especially known for its elongated skull, conical teeth, and distinctive sail-like structure on its back. Its remains are most closely associated with North African deposits, where extensive river systems, coastal plains, and wetland environments existed during the Cretaceous.

The tooth form is typical of a fish-eating predator: long, conical, and adapted for gripping rather than slicing. Unlike the serrated blade-like teeth of many other large theropods, Spinosaurus teeth were better suited to holding slippery prey such as fish, suggesting a semi-aquatic lifestyle comparable in some respects to modern crocodilians.

During the Late Cretaceous, Spinosaurus occupied a distinctive ecological position within its environment. It lived alongside other large reptiles, fish, and dinosaurs in a landscape shaped by waterways and abundant aquatic resources. Teeth such as this were functional tools of feeding, shed and replaced during life, as was common among dinosaurs and other reptiles.

The fossilisation process transformed the original biological material into mineralised remains over millions of years. Specimens of this type are valued because they preserve direct evidence of feeding adaptations, ecology, and the diversity of predatory dinosaurs in Cretaceous ecosystems.

This piece forms a tangible connection to the prehistoric world, preserving a direct physical trace of one of the most distinctive predators of the Late Cretaceous."