Dating dinosaurs Free p orn web cams room 7
The shark has a long snake-like body, although it is 'little known in terms of its biology or environment.'This is mostly due to the fact that it lives at depths that are rarely ventured to by humans.
Speaking to Sic Noticias, Professor Margarida Castro, a researcher form the University of the Algarve explained that the shark gets its name from the frilled arrangement of its 300 teeth, 'which allows it to trap squid, fish and other sharks in sudden lunges'.
Scroll down for video Frilled sharks are members of some of the most ancient groups of sharks that are known for having extra gills, big mouths, eyes on the side of their heads and spineless back fins.
They date back 80 million years, making them one of the few speicies of such antiquity still around today.
The remains of dead land animals and plants were probably washed down a river and into a shallow bay, where they mixed with the remains of dead marine animals.
This material was compressed together with sediments into a sandstone rock.
Little is known about the shark, which has a long, snake-like body, and circular arrangement of 300 teeth.
Carbon 14 is used to date things that were once living and in equilibrium with the atmosphere.
Here is a brief explanation of how the method works from ray protons blast nuclei in the upper atmosphere, producing neutrons which in turn bombard nitrogen, the major constituent of the atmosphere .
It is not because they are afraid it would show the dinosaurs lived only thousands of years ago, it is because they know the test cannot be give accurate results since the material being tested was not actually "once living" after minerals replaced the actual bone.
Scientists working on a project off the Algarve coast were in for a surprise when they caught a prehistoric shark this week.