20123 - Nice 1.72 Inch Pterosaur (Coloborhynchus) Tooth Cretaceous KemKem Otodus in matrix Mitchellaspis

Mitchellaspis

It is a tooth of the upper jaw of a cow shark

Platecarpus Cope 1869

but somewhat older (from the upper Tremadocian)

Radioscutellum

20123 - Nice 1.72 Inch Pterosaur (Coloborhynchus) Tooth Cretaceous KemKem Otodus in matrix MitchellaspisNice specimen. Not restored or glued. 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 arenites) and