Fossils are items that can be revived into prehistoric/dinosaur-like Pokémon. You can revive them with an NPC at the Devon Corporation in Rustboro City.
Below is a list of every fossil you can get in Omega Ruby & Alpha Sapphire, along with their exact locations and which Pokémon you get when you revive them.
| Fossil | Revived Pokémon | Effect | Acquisition Method | Version |
|---|---|---|---|---|
Root Fossil
|
Lileep
|
A fossil from a prehistoric Pokémon that once lived in the sea. It looks as if it could be part of a plant’s root. |
Route 111 (Desert) – choose between the Root Fossil or Claw Fossil, northeast side of the area
|
Both |
Claw Fossil
|
Anorith
|
A fossil from a prehistoric Pokémon that once lived in the sea. It appears to be a fragment of a claw. |
Route 111 (Desert) – choose between the Claw Fossil or Root Fossil, northeast side of the area
|
Both |
Helix Fossil
|
Omanyte
|
A fossil from a prehistoric Pokémon that once lived in the sea. It might be a piece of a seashell. | Any Mirage Spot – Possible Item drop from breaking rocks with HM06 Rock Smash | Alpha Sapphire |
Dome Fossil
|
Kabuto
|
A fossil from a prehistoric Pokémon that once lived in the sea. It could be a shell or carapace. | Any Mirage Spot – Possible Item drop from breaking rocks with HM06 Rock Smash | Omega Ruby |
Old Amber
|
Aerodactyl
|
A piece of amber that still contains the genetic material of an ancient Pokémon. It’s clear with a tawny, reddish tint. | Any Mirage Spot – Possible Item drop from breaking rocks with HM06 Rock Smash | Both |
Skull Fossil
|
Cranidos
|
A fossil from a prehistoric Pokémon that once lived on the land. It appears as though it’s part of a head. | Any Mirage Spot – Possible Item drop from breaking rocks with HM06 Rock Smash | Alpha Sapphire |
Armor Fossil
|
Shieldon
|
A fossil from a prehistoric Pokémon that once lived on the land. It looks to be from some kind of protective collar. | Any Mirage Spot – Possible Item drop from breaking rocks with HM06 Rock Smash | Omega Ruby |
Cover Fossil
|
Tirtouga
|
A fossil from a prehistoric Pokémon that once lived in the sea. It appears as though it could be part of its back. | Any Mirage Spot – Possible Item drop from breaking rocks with HM06 Rock Smash | Alpha Sapphire |
Plume Fossil
|
Archen
|
A fossil from a prehistoric Pokémon that once lived in the sky. It looks as if it could come from part of its wing. | Any Mirage Spot – Possible Item drop from breaking rocks with HM06 Rock Smash | Omega Ruby |
Jaw Fossil
|
Tyrunt
|
A fossil from a prehistoric Pokémon that once lived on the land. It looks as if it could be a piece of a large jaw. | Trade from Pokemon X/Y | – |
Sail Fossil
|
Amaura
|
A fossil from a prehistoric Pokémon that once lived on land. It looks like the impression from a skin sail. | Trade from Pokemon X/Y | – |
