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this classification is not final
This tooth has an outstanding preservation
Teneroceras Chlupac and Turek 1983 (no
Crystals treated this way are used as gemstones and for other decorative purposes
Erythrite and annabergite (Ni3(AsO4)2·8H2O) (nickel arsenate) form a complete series with the general formula (Co
20828 - Nice 1.51 Inch Pterosaur (Coloborhynchus) Tooth Cretaceous KemKem Leonaspis this classification is not finalBeautiful specimen, it has some glued fractures. The teeth with strong and vivid fossilization colors such as red, orange and black come from small paleochannels composed by thin layers, in the intermediate and upper stratigraphic levels (Red Sandstone Beds), from the Aoufous Formation and Ifezouane Formation (Kem Kem Basin, South of Morocco). The lithology of this body of sediment is characterized by the dominance of sandstones (also known as