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The lithology of this body of sediment is characterized by the dominance of sandstones (also known as arenites) and fluvial gravel
Still to this day there has been no study to analyze the possible causes of the pathologies suffered by some mosasaur species in the dentition
They preserve the structures with amazing detail
it has a series of very important paleontological sites in which amazing assemblages from big and small marine vertebrates are present
07582 - Great 8.78 Inch Hybodus Shark Dorsal Spine Cretaceous KemKem Beds Acanthopyge The lithology of this bodyHybodus sp, Agassiz 1837 (elasmobranch) Chondrichthyes Hybodontiformes Hybodontidae Beautiful spine corresponding to the dorsal fin of this incredible shark that reigned the seas and the fluvial systems next to the coast during all the Mesozoic Era. It is a species of shark that presented particular features, such as this sharp spine in its flipper. The preservation of this piece is very good, and the strong and well defined longitudinal stretch marks