The root fossil turns into a lileep which you can get restored at rustboro city
You get it in the cave going to Cerulean City. You will have to fight a guy, and then he tells you he will share. However, you may only choose one.
Root Fossil Claw Fossil Helix Fossil Dome Fossil Old Amber Armor Fossil Skull Fossil Rare Bone
Lileep which evolves into Cradily at level 40 find at the desert ruins above Mauville City there's a root fossil (Lileep) or a claw fossil (Anorith) take it to the section where the mayor is (the 2nd floor)
take it to the scientist in rustboro city and he'll revive it.
You can not get an Armor Fossil in HeartGold.
You cannot get a Skull Fossil (Cranidos) in Pokemon HeartGold.
Manaphy does not have a fossil, as it is not an ancient Pokemon.
by reviving it from a fossil
You require the Root Fossil. It is located in;Route 111 in Ruby and SapphireThe Desert Underpass and Mirage Tower in EmeraldSinnoh Underground in Diamond, Pearl and PlatinumThe Cliff Cave in SoulSilverTwist Mountain in Black and White (receive from hiker after beating game)After that you need to revive Lileep from the fossil. You do that in;Devon Corp in Ruby, Sapphire and EmeraldOreburgh Museum in Diamond, Pearl and PlatinumPewter City Museum in HeartGold and SoulSilverNacrene Museum in Black and WhiteNote that you cannot get a Root Fossil in HeartGold.
root fossil is lileep claw fossil is anorith
the root fossil
Claw Fossil - Anorith Root Fossil - Lileep
You cannot get Skull Fossil or Armor Fossil in Pokemon HeartGold.
The root fossil turns into a lileep which you can get restored at rustboro city
It turns into a Lileep when you give the root fossil to the scientist in Rustboro City.
take it to pewter museum