07582 - Great 8.78 Inch Hybodus Shark Dorsal Spine Cretaceous KemKem Beds Acanthopyge They preserve the structures with

They preserve the structures with amazing detail

Barrande 1868 (trilobite)

Trilobita - Asaphida - Trinucleidae

this specimen presents an additional scientific interest given the classification difficulty

07582 - Great 8.78 Inch Hybodus Shark Dorsal Spine Cretaceous KemKem Beds Acanthopyge They preserve the structures withHybodus 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