I just thought about creatures in Skyrim and thought Deadra dragons. It sounds dumb but deadra are cool and if there was think about it's Dragon Shout. Also enhanced graphics would be cool in the Oblivion planes.
first, why are SO many people misspelling "daedra"?
they're not DEADra...
second, why the hell would there be a daedric dragon? the dragons arent related to daedra in any way as far as i know, peryite hardly counts, since daedra can take on any form they want, if peryite was a true dragon, i doubt he'd be so pathetic looking and so busy cleaning his room, or whatever.
third... i dont think skyrim should have anything to do with oblivion, especially since the seal is PERMANENT thanks to akatosh, the dragon god of time.
it would be impossible for daedra to invade, so no daedric dragons, even if they did exist.
i dont mind if the occasional daedra is seen, because they've been in TES since the beginning, i think... it'd be like taking out undead enemies... but we dont need to go traversing through the realms of oblivion in skyrim... maybe in a future game we could see more realms, but for now, we need a break from it.