The paper sculptures in this exhibit may look like aliens from another planet, but they are actually "time travelers" from some 540 million years ago. Long before the dinosaurs appeared, Earth’s ocean was filled with amazing life forms like these.

The paper sculptures in this exhibit may look like aliens from another planet, but they are actually "time travelers" from some 540 million years ago. Long before the dinosaurs appeared, Earth’s ocean was filled with amazing life forms like these.