07582 - Great 8.78 Inch Hybodus Shark Dorsal Spine Cretaceous KemKem Beds Acanthopyge Chacomurus

Chacomurus

Trilobita - Asaphida - Trinucleidae

• Eocene of Algeria

Permineralization is a process of fossilization in which mineral deposits form internal casts of organisms

Spectacular example of tooth belonging to an individual of Spinosaurus

07582 - Great 8.78 Inch Hybodus Shark Dorsal Spine Cretaceous KemKem Beds Acanthopyge ChacomurusHybodus 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