Fish dinosaur tooth in matrix from Morocco, about 80 million years old.
Size of the pieces about 7 - 10cm
Mosasaurs lived in the Upper Cretaceous, about 100 to 65 million years before today. Fossil finds all over the world suggest that the animals lived in seas all over the world. Today living relatives of the mosasaurs are snakes, lizards and double lizards - together they form the group of pangolins.
The locality of this fossil is in central Morocco, near the town of Qued Zem on the "Plateau of Phosphates". In these phosphate-bearing rocks, teeth and bones of prehistoric sea creatures are found. Today the site lies in the middle of the Sahara desert, but during the lifetime of the mosasaurs in the upper Cretaceous there was an extensive sea. Due to warm-tropical temperatures the polar caps had melted and the sea level was much higher than today.
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