They went extinct around 260 million years ago ... Genetically, they were very closely linked to the sharks of today! These sharks lived all around the world until about 80 million years ago.

The IUCN update grimly notes that the first shark or ray species may already have gone extinct. The lost shark (Carcharhinus obsoletus) was classified as critically endangered (possibly extinct), ...

The megalodon was a global marine predator, with its fossilized teeth having been discovered all over the ... No, megalodon sharks do not still exist; they went extinct way more than a million ...

The long-extinct shark has been the subject of many research ... the extinction event has no direct link to the megalodon at all. It now appears increasingly likely that competition over food ...

A shark only just formally discovered might already be extinct - a fate no shark has yet ... the Tucuxi to its endangered list, meaning that all of the world's freshwater dolphins are now ...

Scientists have discovered that the long-extinct megalodon, also known as the megatooth shark, had a body temperature 7 degrees Celsius warmer than the surrounding seawater. This information might ...