The fossil maniac is in oreburgh city museum.
underground
in the cave where the unknown are
Oreburgh City
Dome fossil is Kabuto and Old Amber is Aerodactyl.
Dome fossil becomes like in the other games the Pokemon "Kabuto" wich later evolves into "Kabutops"
pearl is not a fossil, you sell it at pokemon marts for lots of CHA CHING
Helix fossil
Its a sheildon fossil
in the house northeast of the pastoria city pokemart
skull fossil and amour fossil
underground
There is armour fossil in Pokemon pearl, it is a fossil that has a shieldon in it, or you could trade with someone from diamond for a cranidos.
diamond- skull fossil- cranidos-rampardos pearl-armor fossil- sheldon-bastiodon
Shieldon (Armor Fossil) are only available to Pearl, similar to how you can get Cranidos (Skull Fossil) in Diamond but not in Pearl. In Diamond, you can get a Shieldon by trading with a friend who has one in Pearl.
in the underground.
Dig it up undergrownd
Underground