88723 - Top Quality 2.26 Inch Hybodus Shark Dorsal Spine KemKem Fish - Museum Grade its excellent preservation is something

its excellent preservation is something much more difficult to find

The basin has a so great continuity in its stratigraphic record that both the Upper Cretaceous as well as the two first epochs of the Paleogene (Paleocene and Eocene) can be studied

you can read the following reference from its authors: A

Its tooth are tremendously sharp and present a slight curvature

as well as the sedimentological analysis

88723 - Top Quality 2.26 Inch Hybodus Shark Dorsal Spine KemKem Fish - Museum Grade its excellent preservation is somethingBeautiful 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 can be observed. Its fossilization color has gorgeous orangish shades. It has some