Definition: In this task, you need to generate an appropriate title for the given summary of some paragraph. The generated title must be short and should include the main topic of the given text. Your summary should be less than 20 words long.
Input: Some 200 million years ago in what is now Warwickshire, a dolphin-like reptile died and sank to the bottom of the sea.

Incredible 'sea monster' skull revealed in 3D