How many dragons are in dragon age origins

Not including Drakes or Dragonlings, there are the following Dragon encounters.
1 - Dragon in the Elven Ruins (Werewolf Lair)
2 - Dragon in Orzammar's Throne Room (Caged in Stone)
3 - Dragon Thralls (Outside Fort Drakon)
4 - High Dragon (Mountain Top outside the Urn shrine)
5 - Flemeth the Shapeshifter
6 - The Archdemon