88656 - Top Rare 3.85 Inch HALISAURUS Premaxilla Snout Bone + Unidentified Vertebrae + Shark Tooth Goniatites It has undergone a taphonomic

It has undergone a taphonomic process of permineralization in Iron Sulfide (Pyrite)

Nice juvenile Onchopristis tooth

Magnificent tooth of the ornithopod dinosaur Thescelosaurus

where a large amount of metal and sulfides can be seen

with an intense black color

88656 - Top Rare 3.85 Inch HALISAURUS Premaxilla Snout Bone + Unidentified Vertebrae + Shark Tooth Goniatites It has undergone a taphonomicTop rare association. It has some glued or filled fractures. 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