05743 - Beautiful Collection of 3 Mosasaur (Prognathodon anceps) Teeth Cretaceous Reptiles - Museum Grade It comes from the Lower

It comes from the Lower Ordovician (Upper Tremadocian stage) of the Famous Fezouata Formation

protocrystalline

which is the intermediate source of most fluorine-containing fine chemicals

moderately altered

The type species G

05743 - Beautiful Collection of 3 Mosasaur (Prognathodon anceps) Teeth Cretaceous Reptiles - Museum Grade It comes from the LowerBeautiful collection of 3 Prognathodon anceps teeth. In the international market is very common to find Mosasaurus rests coming from the phosphate quarries of the Upper Cretaceous of the Ouled Abdoun Basin (Morocco). This quarries have been exploited since the beginning of the past century. Many sellers that sell this fossils do not make a good precise taxonomic identification work. In these sites there are numerous different species of Mosasaurus