Pannotia

A very short lived supercontinent. It formed in the beginning of the Ediacaran period of the Proterozoic Eon, but broke apart as Laurentia rifted away from the rest of the supercontinent. It broke apart even before the Phanerozoic Eon and the Cambrian period. Not so well-known although is one of the only interesting things that happened during the Ediacaran period.

Bob reading out loud from a website: 630 million years ago, Pannotia formed.
Kate: Pannotia? Do you mean Pangea?
Bob: The Ediacaran supercontinent, not the Permian one.
Kate: I thought the only supercontinent was Pangea!
Bob: How about this?

Bob reading out loud from a website again: Pannotia was the result of supercontinent Rodinia turning inside out 720 million years ago.
Kate: ...