Fossilized Mako Shark Teeth Size:1-1.5" This truly majestic species

This truly majestic species

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as during their yearly migrations they cross all sorts of rivers and lakes

Very few Spinosaurus fossils have been discovered

Fossilized Mako Shark Teeth Size:1-1.5" This truly majestic speciesMako sharks first appear in the fossil record in the Paleocene possibly around 60 million years ago. In the Eocene, around 55 million years ago, the Isurus praecurser (Macrorhizodus praecursor) genus branches from the makos. This "Macrorhizodus" genus continues to diversify throughout the fossil record. The teeth broaden over time and eventually branch into the White Sharks. Some time in the late Oligocene, modern looking forms of mako sharks appear.