Just keep a running record of them? I have full faith that they will allow us to transfer them from B(2)/W(2), but (and correct me if I'm wrong) don't they only show pokemon that are in the regional dex in trailers? I'll throw the times out there if their appearances aren't painfully obvious, I will be using the English Trailer though.
The starters Magikarp Golurk Munchlax Kirlia Pansear Patrat Pikachu (Congrats Sakura, you won't need to eat a shoe. Litwick Psyduck Audino (1:03/1:04, the one using the cosmic poweresque move) Sneasel (1:03/1:04, the one battling Audino) Mienfoo Dratini Y X
So those pokemon and their family are probably in the regional dex.
GLAD GANG l SSS l No.XII l OPBW2C-Wargle I R - Zarren I am the Anti-troll. Your poll needs a bacon option.