ancient sea monsters

Strange creature 30m long: Thought it was a dinosaur, turns out it's something more monstrous!
Scientists have
A 66 million-year-old sea monster has a unique swimming pattern on Earth
Mosasaur may be one of the most feared reptiles living in the age of dinosaurs, with its enormous size and jaws.
Unexpectedly found fossil ancient sea monsters when exploiting gems
Instead of discovering shiny and expensive gems, the operators discovered fossils of an ancient sea monster. Enchanted Design Limited is the company that found mosasaur.
The ancient sea monster tore the prey with its sharp head
The researchers identified Habelia optata, an ancient marine creature that is only about two centimeters long but can tear off prey with a sharp and flexible head.