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Two Large Rooted Mosasaur Teeth (One A Composite)
This is a pair of very large, rooted Mosasaur teeth from the Late Cretaceous phosphate deposits in the Oulad Abdoun Basin of Morocco. The roots are naturally associated together, the the crown of the larger tooth was missing and was composited on. It is still a very impressive piece.
These fossils are collected as a byproduct of the massive phosphate mining operations in the area. Locals collected the teeth from the mines, saving them from certain destruction by rock crusher.
These fossils are collected as a byproduct of the massive phosphate mining operations in the area. Locals collected the teeth from the mines, saving them from certain destruction by rock crusher.
About Mosasaurs
Mosasaurs were large, carnivorous marine reptiles that lived during the Late Cretaceous Period, approximately 90 to 66 million years ago. Though often mistaken for dinosaurs, they were actually more closely related to modern monitor lizards, including the Komodo dragon. Over time, their ancestors transitioned from land to sea, evolving paddle-like flippers, streamlined bodies, and powerful tails that made them highly efficient swimmers. Some species developed crescent-shaped, shark-like tail fins that allowed for strong, sustained propulsion through open water. Sizes varied widely, with many species measuring 20 to 30 feet long, while the largest—such as Mosasaurus hoffmannii—may have exceeded 50 feet in length.
As apex predators, mosasaurs occupied the top of the marine food chain. Their long jaws were lined with sharp, conical teeth ideal for gripping slippery prey, and fossil evidence shows they fed on fish, sharks, ammonites, seabirds, and even other mosasaurs. Despite their fully aquatic lifestyle, mosasaurs were air-breathing reptiles and had to surface regularly, much like modern whales. They thrived in oceans around the world until the Cretaceous–Paleogene extinction event 66 million years ago, which wiped out the dinosaurs and many marine reptiles, bringing the age of mosasaurs to an end.
Mosasaurs were large, carnivorous marine reptiles that lived during the Late Cretaceous Period, approximately 90 to 66 million years ago. Though often mistaken for dinosaurs, they were actually more closely related to modern monitor lizards, including the Komodo dragon. Over time, their ancestors transitioned from land to sea, evolving paddle-like flippers, streamlined bodies, and powerful tails that made them highly efficient swimmers. Some species developed crescent-shaped, shark-like tail fins that allowed for strong, sustained propulsion through open water. Sizes varied widely, with many species measuring 20 to 30 feet long, while the largest—such as Mosasaurus hoffmannii—may have exceeded 50 feet in length.
As apex predators, mosasaurs occupied the top of the marine food chain. Their long jaws were lined with sharp, conical teeth ideal for gripping slippery prey, and fossil evidence shows they fed on fish, sharks, ammonites, seabirds, and even other mosasaurs. Despite their fully aquatic lifestyle, mosasaurs were air-breathing reptiles and had to surface regularly, much like modern whales. They thrived in oceans around the world until the Cretaceous–Paleogene extinction event 66 million years ago, which wiped out the dinosaurs and many marine reptiles, bringing the age of mosasaurs to an end.
SPECIES
Prognathodon sp.
LOCATION
Oulad Abdoun Basin, Morocco
FORMATION
Phosphate Deposits
SIZE
Larger tooth 5.3"
CATEGORY
SUB CATEGORY
ITEM
#55838
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