Fossil Tooth of Mosasaurus – Morocco
Locality: Morocco
Weight: 73g
Dimensions: 6,4 x 4,1 x 6,3 cm
Tooth size: 3,7 x 1,7 x 1,3 cm
The tooth is in its original condition, not glued, and is set in the original host rock, which may also contain other fossil remains, such as fish bones or vertebrae.
| Category: | Mosasaur Teeth |
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Mosasaurus – Marine Predator of the Mesozoic Seas
Mosasaurus was a large marine reptile that lived at the end of the Cretaceous period (around 70–66 million years ago). It reached up to 15 meters in length and was one of the largest marine predators of its time. Although it resembled a fish, it was a reptile related to modern monitor lizards and snakes.
Its body was perfectly adapted to aquatic life – it had paddle-like limbs, a powerful tail for fast swimming, and a long skull with sharp, conical teeth used to hunt fish, ammonites, seabirds, and other marine reptiles.
Mosasaurs were the apex predators of Cretaceous seas and became extinct along with the dinosaurs during the mass extinction at the end of the Cretaceous.
Mosasaur Teeth
Mosasaur teeth were strong, conical, and sharp, perfectly adapted for grasping and crushing prey. Their surface was often finely ridged, improving strength and durability while hunting. The teeth were not designed for chewing, but for quickly grabbing, piercing, and swallowing prey – such as fish, ammonites, or smaller marine reptiles.
Each tooth was set in a separate socket and was regularly replaced throughout its life – similar to modern crocodiles. Therefore, mosasaur fossil teeth are relatively common, but complete specimens with part of the jaw or in host rock are much rarer and more valuable.