They're just simply called Gmods on our forum. Of course, that's kind of a bad example because for general chat forums, you don't really need loads of different kinds of mods to begin with.
I call them Global Moderators. I just don't like classifying them both in the same group, because there is a distinctive difference to me.
Global moderators and super moderators are the same thing, here on adminbb we call them Community Team. I plan to hire more when activity picks up.
I have them separated. My global moderators can be considered the FBI and my moderators can be considered the local police. For example, I have one moderator that is especially good at graphic design, so I've put her in charge of only the graphic related forums so she can concentrate on moderating what she is most interested in while taking off pressure from the global moderators.
Well global/super/community team are mods who can moderate all the forums, and normal moderators can moderate a few.