Armor fossil
Revives shelidon and is only found in pearl
Uncommon
Claw fossil
Revives anorith *
Rare
Dome fossil
Revives kabuto *
Rare
Helix fossil
Revives omanyte *
Rare
Old Amber
Revives arceodactyl *
Rare
Root fossil
Revives lileep *
rare
Skull fossil
Revives cranidos in diamond only
Uncommon
- = After national dex is obtained
Source