The tooth itself is nearly a foot long.
Among the finds was an incredibly rare 70-million-year-old dinosaur skull.
A fossil study shows Gastornis roamed around Ellesmere Island, Canada, when it was far warmer than today.
The species, Homo naledi, resembles modern humans in many ways.
This huge animal likely fed on the soft-bodies of other invertebrates.
It's kind of like a turducken but with gigantic, ancient sea creatures.
3-D scanners are now everywhere, from doctors' offices to clothing stores.