Here are videos of "un-seen" Power Rangers teams that appear in Power Rangers Super Megaforce.
SQUADRON (SS Dairanger)
http://youtu.be/LI3F5TcjzZw
SQUADRON (SS Dairanger), Unnamed team (SS Maskman), Unnamed team (SS Flashman)
http://youtu.be/ygbYumIb3dg
DRAGON (SS Changeman)
http://youtu.be/gVbv3YNq8II