The newly named Lythronax argestes (aka "the king of gore") walked the Earth 12-million years before Tyrannosaurus rex, and at much lower latitudes – yet the two bear a striking resemblance. In his latest for NatGeo, Brian Switek explores how Lythronax adds a new twist to the origin story of the famed tyrant king.

Above: The King of Gore out for a leisurely stroll on the Utah coast some 80-million years ago, as imagined by illustrator Andrey Atuchin.