20759 - Top Quality 0.98 Inch Rooted Halisaurus walkeri (Mosasaur) Tooth Cretaceous Abelisaurus teeth collections Mammals during the Mesozoic era

Mammals during the Mesozoic era were extremely rare although they had representation within the ecosystems in which dinosaurs reigned

Israel (2)

• Mississippian of Canada (1: New Brunswick)

It is complete

Whittington 1956

20759 - Top Quality 0.98 Inch Rooted Halisaurus walkeri (Mosasaur) Tooth Cretaceous Abelisaurus teeth collections Mammals during the Mesozoic eraIn 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 described in the enormous assemblage of giant marine