EDIT: these new Pkmn got officially confirmed by Nintendo today and also there has a video showing these been realeased:
facts about new Pkmn:
the links I gave are German ones, so if you want to see the English versions plz watch serebii.net
again, some unconfirmed scans of Corocoro appeared, they seem to be real, but it´s not confirmed yet!
also some trainer artwork:
source: serebii.net [link]