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 ...

The fossil, kept at the Los Angeles County Natural History Museum, shows a tooth from a large Cretoxyrhina mantelli shark lodged between the neck vertebrae of a Pteranodon, a flying reptile that ...

The largest predator in its ecosystem was a shark called Cretoxyrhina, measuring 20 feet long. The fish group that includes sharks appeared roughly 380 million years ago, long before the dinosaurs.

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 shark tooth, according to the study authors, belonged to the species Cretoxyrhina mantelli, a large and fearsome predator that stalked the Late Cretaceous seas.

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 most famous of these mackerel shark was Cretoxyrhina, a formidable predator in the Late Cretaceous period that lived about 107 to 73 million years ago. Some remnants of the shark fossil found ...

The scientists said newborn sharks belonging to this species would be about 3.8 ... Shimada and Everhart also note how C. houghtonorum would likely have lived alongside Cretoxyrhina mantelli, ...

And so there was a shark-- Cretoxyrhina is its name-- it kind of rivaled-- later on in geologic time, the megalodon comes in. That's a really, really big shark that lived 40 million years ago.

The largest predator in its ecosystem was a shark called Cretoxyrhina, measuring 20 feet long (6 meters). The fish group that includes sharks appeared roughly 380 million years ago, long before ...