Location: Route 119

Method:
After you have stopped the takeover of the Weather Institute, you will be able to return there and will get given the Pokémon Castform

Castform Level 25

OT: Yours ID: Yours Ability: Forecast Hold Item: None

??? Nature. Date of Receiving Route 119. Caught at Lv. 25

Powder Snow Sunny Day Rain Dance Hail

Location: Route 111, Desert Underpass

Method:
As with Pokémon Ruby & Sapphire, when you go to the desert in Route 111, you will be able to find the two fossils but this time you will find them at the top of the Mirage Tower. After selecting it, the other fossil will disappear. You can get the other one by going through the Desert Underpass and finding it on the ground. If you take these fossils to the Devon Corporation in Rustboro City, you will obtain the Pokémon Lileep for the Root Fossil and Anorith for the Claw Fossil

Lileep Level 20

OT: Yours ID: Yours Ability: Suction Cups Hold Item: None

??? Nature. Date of Receiving Rustboro City. Caught at Lv. 20

Astonish Constrict Acid

Anorith Level 20

OT: Yours ID: Yours Ability: Battle Armor Hold Item: None

??? Nature. Date of Receiving Rustboro City. Caught at Lv. 20

Scratch Harden Mud Sport Water Gun

Location: Lavaridge Town

Method:
As with Pokémon Ruby & Sapphire, when you get to Lavaridge Town, you will be able to speak to a woman by the Hot Springs who will gift you an Egg. This Egg will hatch into the Pokémon Wynaut

Wynaut Level 5

OT: Yours ID: Yours Ability: Shadow Tag Hold Item: None

??? Nature. Date of Receiving Place of Hatching. Caught at Lv. 5

Splash Charm Encore

Location: Mossdeep City

Method:
After defeating the Elite Four, when you go to Mossdeep City, you can go into Steven's house and there you will find a special Poké Ball which contains a gift of Beldum for you from Steven, who has gone off on some travels

Beldum Level 5

OT: Yours ID: Yours Ability: Clear Body Hold Item: None

??? Nature. Date of Receiving Mossdeep City. Caught at Lv. 5

Take Down

Location: Littleroot Town

Method:
After completing the Hoenn Pokédex, if you return to Professor Birch in Littleroot Town, you will get given the choice between three more starter Pokémon, this time between Chikorita, Cyndaquil and Totodile, the Johto Starter Pokémon. You can only pick one

Chikorita Level 5

OT: Yours ID: Yours Ability: Overgrow Hold Item: None

??? Nature. Date of Receiving Littleroot Town. Caught at Lv. 5

Tackle Growl

Cyndaquil Level 5

OT: Yours ID: Yours Ability: Blaze Hold Item: None

??? Nature. Date of Receiving Littleroot Town. Caught at Lv. 5

Tackle Leer

Totodile Level 5

OT: Yours ID: Yours Ability: Torrent Hold Item: None

??? Nature. Date of Receiving Littleroot Town. Caught at Lv. 5

Scratch Leer