Lonnum is a genus belonging to the class Lonniformia, before the arrival of human beings, almost all intellectual species of the 8th World belong to the genus Lonnum. The Genus Lonnum is the only genus of the family Eulonniformidae. Species belonging to the genus Lonnus are called True Long-longs; while species that don't belong to the genus Lonnus but look like specimens of the genus are called Fake Long-longs. There are only two surviving species: the Long-longs (Lonnum lonnum subsp. pilii or Lonnum lonnum x gongonga) and the Gong-gongs (Lonnum gongonga).