We don't know the name of this thing.
But we do know where it came from. So we're using that to title the page logically. If you know a better, more precise name, tell us.
The Marinusians were a humanoid species native to Marinus. They were pacifists until the Voords forced them to fight. They conquered the Voords by fixing the Conscience of Marinus. (TV: The Keys of Marinus)
One account says that the Mondasians, the humanoid race that would evolve into Cybermen, were actually Marinusians. (COMIC: The World Shapers)