OK, lore lovers, this one's for you.
Over at the official forums, there's a blue thread asking the community to submit suggestions to the developers about what you might find with Archeology.
http://forums.worldofwarcraft.com/thread.html?topicId=26859146074&sid=1&pageNo=1
I want to submit "Missing Link" ("This fossilized skull seems to combine the features of an elf and a troll,") but my subscription is lapsed. Would one of you mind submitting that as well as your own ideas?