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 ...

Dr. Scott explains the differences between prehistoric sharks and sharks today. Dr. Scott explains the differences between prehistoric sharks and sharks today. Dinosaur Train is available to ...

An illustration of an ancient shark called Cretoxyrhina attacking a pterosaur called Pteranodon. Artwork by Mark P. Witton/Hone et. al. 2018/CC BY 4.0 Get the Popular Science daily newsletter💡 ...

The large, approximately 21 foot long shark Cretoxyrhina was the best match, especially because tooth fragments of this shark have been found embedded inside other bones showing similar bite marks.

The largest predator in its ecosystem was a shark called Cretoxyrhina, measuring 20 feet (six metres). Bloodsucking-fish fossils overturn once-popular theory about our evolution; ...

The shark was Cretoxyrhina mantelli, a fearsome and now-extinct predator nicknamed for the similarity between its teeth and the blades of a popular brand of knife.