Before that time (see Velikovski) there was a time remembered in human tradition, when the moon was smaller (ie because it was a planet in orbit around the sun and not around Earth) or when the moon did not exist as a satellite of earth. The moon and the dragon are often interchangeable.
Earth without a moon: http://www.varchive.org/itb/sansmoon.htm
The moon worshiped by adamite man: http://www.varchive.org/itb/moonwor.htm
Previous beings on earth before adamite man: http://www.varchive.org/itb/ecadam.htm