Asupercontinent that is part of a theory by alfred wegener. this supercontinent is a part of the theory of

Continental drift

Explanation:

The theory of continental drift was developed by Alfred Wegener in 1912 and it states that at the begining, all the continents in the planet were attached to each other in a supercontinent and then, they moved around the surface of the Earth to the positions in which they are today. According to this, the answer is that this supercontinent is a part of the theory of continental drift.