Paleontologist Anthony Romilio looked at three rock slabs bearing footprints. Most of the footprints come from one slab, which was discovered in 2002.

That's when paleontologist Anthony Romilio came to the high school to examine the boulder and its unusual markings. “I ...

For two decades, Australian students walked by the 5-foot-long boulder in their school’s foyer unaware of its significance. When paleontologist Anthony Romilio finally inspected the roughly 200 ...

Paleontologist Anthony Romilio brushes a roughly 200 million year old boulder at Biloela State High School in Queensland, Australia. (University of Queensland) ...

That's when paleontologist Anthony Romilio came to the high school to examine the boulder and its unusual markings. “I thought, 'Yes, it’s a small boulder, so I can just lift it up.' But oh my ...

That's when paleontologist Anthony Romilio came to the high school to examine the boulder and its unusual markings. “I thought, 'Yes, it’s a small boulder, so I can just lift it up.' But oh my ...

Some were thinking that it was a replica," Australian paleontologist Anthony Romilio said. "They did not know that this was an actual fossil itself.

Some were thinking that it was a replica," Australian paleontologist Anthony Romilio said. "They did not know that this was an actual fossil itself. Skip to content ...

That's when paleontologist Anthony Romilio came to the high school to examine the boulder and its unusual markings. “I thought, 'Yes, it’s a small boulder, so I can just lift it up.' But oh my ...

That's when paleontologist Anthony Romilio came to the high school to examine the boulder and its unusual markings. “I thought, 'Yes, it’s a small boulder, so I can just lift it up.' But oh my ...

That's when paleontologist Anthony Romilio came to the high school to examine the boulder and its unusual markings. Watch NBC 4 free wherever you are. WATCH HERE “I thought, ...

That's when paleontologist Anthony Romilio came to the high school to examine the boulder and its unusual markings. “I thought, 'Yes, it’s a small boulder, so I can just lift it up.' But oh my ...