Yawunik kootenayi is a newly discovered

marine animal which lived 508 million years ago.

Scientists think that this was the first arthropod.

On the top right there is a picture of

a fossil of Yawunik kootenayi.

In myths Yawunik is a creature living in the water,

Killing everything in its path.

On the top left there is a picture of

what scientists think it looked like.

Here is a video showing animations of

what scientists think it looked like.