Mysterious Fossil Fragments Traced to Ancient Leviathans of The Ocean

<img width="128" height="52" src="https://www.sciencealert.com/images/2024/04/file-20180410-540-rjw5tz_1024.jpg" alt=""/>
We may have finally solved it.

https://www.sciencealert.com/mysterious-fossil-fragments-traced-to-ancient-leviathans-of-the-ocean