In that light, I think it would be a good idea not to repeat the numbers between Terran and vasudan squads.
Is there anything in FS canon to refute me?
At the moment I can think of the two 33rd squadrons that are both mentioned in FS2, and I think 67th might have appeared somewhere in there as well. It seems okay to me to repeat the numbers though. After all, we know they repeat the fleet numbers, and while pilots are exchanged all the time the squadrons always remain on the same ship (unless the ship is decommisioned or destroyed, but even then it is always ship of the same species), so it would be fine to have repeating numbers when different species are involved.
Now regarding the official squadlogos that were not used in the main campaign, I think we should assign them numbers as well. A few comments though:
The deathsquad one does not appear to have a number; it could be called Death Squad or Death Skulls.
The scorpsquad logos are all NTF squadrons, which do not appear to have names. (btw notice the similarity with these and the Nod logo from the C&C games

)
Then we have the two rgrdgr things; what on earth could that mean? Roger Dodgers or Roger Daggers don't make much sense but that is the only stuff I can think of that would fit.
I cannot quite tell what that tsusquad logo is supposed to be either. Tsunami is the only word I can think of that would fit there, but the logo is not exactly a tsunami. (actually, I am unsure of what the logo depicts in the first place) Although as you said, the abstraction suggests a Vasudan logo in which case no name would be needed.
Also, the 109th in the above list should be called the Flaming Skulls rather than the 103rd, since that logo has the 109 number on it.
BTW I just noticed that the planet in the 107th Ravens logo is the same as the briefing icon one and the planetf one.
