For years, paleontologists and paleobotanists have spent time on Wyoming’s Hanna Formation, a 58-million-year-old zone of rock in the southern part of the state that contains a wealth of fossils of marine fauna like ammonites and various forms of ancient plant life. In 2019, though, Anton Wroblewski stumbled across…
Source: Gizmodo – Hundreds of Fossilized Footprints From Ancient, Bear-Sized Mammals Found in Wyoming