The megalodon, this extinct giant of the seas ... Researchers used fossilized vertebrae to estimate the size and shape of ...

Geologists near Starkville found a bone of a Mosasaurus hoffmannii, one of the biggest species of mosasaurs, which could reach lengths of 50 feet.

According to Philip Stearns, a researcher at SeaWorld San Diego, the conventional method of predicting size using fossilized teeth estimated the megalodon to be about 18 to 20 meters in size.

there are lots of strange and wonderful things to see in Monsters of the Deep. Come face to face with the skull of a terrifying killer whale, marvel at the double-tusked skull of a narwhal and the ...