From The Stargate Omnipedia

Ancient term for Earth, on which the advanced species once lived. The phrase "Terra Atlantus" designated "Earth: Atlantus" -- or, more specifically, the small outpost left behind by the Ancients when they left with the city of Atlantis between five and ten million years ago.

See also: Earth


HOME TO - Humans
FIRST APPEARED - "Stargate" the Movie


Lost City, Part 2 - While integrated into an Ancient console on Proclarush, O'Neill says the phrase "Terra Atlantus" -- in reference to Earth, the previous location of the lost city of Atlantis.