Imagine digging in your schoolyard and finding bones from ancient sea creatures!
That's what happened in Los Angeles, where scientists found fossils of a shark called a megalodon, a fish with big teeth called a saber-toothed salmon, and many other amazing animals.
These fossils are millions of years old and tell us about what life was like in the ocean long ago.
Now, scientists and students will learn lots of cool things from these incredible discoveries!