Cretoxyrhina was one of the largest sharks and a formidable predator in the Late Cretaceous seas. Nicknamed the Ginsu shark after the kitchen knife that slices and dices, Cretoxyrhina ripped apart ...

Sharks as a species are still going strong ... was found undigested inside of a fossilized Cretoxyrhina. Cretoxyrhina wasn’t at the top of the food chain, however, as it was hunted by larger ...