I also think that, but i'm not completely sure. Thanks anyway.
Another question: Which 2 of those pokemon would you add to the 4 I listed above?
Aggron, Zangoose, Nidoking, a Fossile one (not Cranidos or Omastar), Tyranitar, Scyther/Scizor, Jolteon, Mismagius, Gliscor, Houndoom, Mightyena...