dino pokemon evolutions --> http://i1.wp.com/pokejungle.net/wp-content/uploads/2013/09/fossils-feat.png?w=620
Raw art:

Tyrantrum and Aurorus, evolving from Tyrunt and Amuara, respectively. Aurorus learns Freeze Dry, which is an Ice-type move that can cause freezing and is super effective against Water-type Pokemon.
Also, it has been announced that no Pokemon from Kalos will have Mega Evolutions in X&Y, catching Pokemon will give your Pokemon experience, and Pokemon Centers will have a place to change your clothes.
Some of the images in the OP are broken.
That's what I get for trying to hotlink from Bulbapedia, I'll fix it later, it's not a very important part of the OP anyway