A specialization of LandMass and Continent_Generic (qq.v.). Each instance is one of the seven land masses traditionally considered to be a continent. The seven current traditional instances of Continent on the PlanetEarth are: the six traditional main land masses on the surface of the earth, plus the two geographicalSubRegions of Eurasia, Europe and Asia. The current instances are: ContinentOfAfrica, ContinentOfAntarctica, ContinentOfAsia, ContinentOfAustralia, ContinentOfEurasia, ContinentOfEurope, ContinentOfNorthAmerica, ContinentOfSouthAmerica. Cf. TrueContinent.