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This ammonite species is a biostratigraphic marker of the Turonian stage (Upper Cretaceous)
A magnificent example of this huge representative of the Cretaceous Lepisosteiformes
weakly developed facets and more or less clearly developed beading of the enamel
Mergl 1984 (trilobite)
Nice left maxillary fragment
20756 - Top Quality 1.47 Inch Rooted Halisaurus walkeri (Mosasaur) Tooth Cretaceous Dinosaur - Museum Grade This ammonite species is aIn 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