Origin Mystery of Ancient Rhino-Like Mammal Solved By 55-Million-Year-Old Fossil
Tens of millions of years ago, after most land-roaming dinosaurs died out in the Cretaceous Period, a hodgepodge of ancient animals started to fill the landscapes the dinos left behind. One such group was the embrithopods: hoofed mammals, now extinct, whose name means “heavy-footed.” But because of a patchy fossil record, scientists haven’t been sure…
