The content you do is limited by the lowest level member in the party. When someone who haven't unlocked Halatari queues, you're looking at the three entry dungeons until level 24, then Toto-rak, Haukke, all the way to level 32.

I do hope they add a full set of extra dungeons in leveling content, i.e. at levels 22, 26, 30, 34, 37, 47. This will provide a lot more variety in the low levels. But that's wishful thinking...