05220 - Stunning Pyritized 0.67 Inch Olcostephanus sp Lower Cretaceous Ammonites Dermal scute bones This specimen is preserved partially

This specimen is preserved partially

Precious tooth of Squalicorax pristodontus (Crow Shark) from a new phosphate location in the Atlas mountains (Morocco)

Precious tooth of Eremiasaurus heterodontus (Mosasaur) from the phosphate deposits of the Ouled Abdoun Basin (Morocco)

Leptecodon

05220 - Stunning Pyritized 0.67 Inch Olcostephanus sp Lower Cretaceous Ammonites Dermal scute bones This specimen is preserved partiallyOlcostephanus sp, Neumayr (1875) Ammonite Cephalopoda Ammonoidea Olcostephanidae It is naturally pyritized. It has undergone a taphonomic process of permineralization in Iron Sulfide (Pyrite). Permineralization is a process of fossilization in which mineral deposits form internal casts of organisms.