Paratractis

From Tardis Wiki, the free Doctor Who reference

Paratractis, a variation of Tractis, was the name given to Earth in an alternate timeline. Having been invaded and conquered by the Earth Empire, a group of Tractites escaped and discovered a Time Tree. With its unpredictability, they used it to time travel to the distant past and prevent the human race from evolving. Therefore, Tractis was left alone. Due to the timeline creating so much instability, there was a risk of the entire multiverse falling into the Time Vortex. (PROSE: Genocide)