Well, I just checked Webmaster Tools for one of my sites and found quite a few backlinks from previous versions of wikipedia pages, even from as far back as 2008. In fact, for this particular site, there are only 3 backlinks from current wikipedia pages in the WMT lists, but 45 backlinks from old pages, mobile pages, and foreign wikipedias.
But the real issue here is how your site could be penalized if, as you say, it is such a great authority that it collects so many backlinks from wikipedia and DMOZ. it just doesn't add up. It makes me wonder if you're telling us the whole story.