In Pokémon Diamond and Pearl, there is no fossil maniac. If you want your fossils to be resurrected, go to Oreburgh and then go to the museum. Talk to the man near the counter and he will resurrect your fossil. Just walk out and in the museum again to be able to receive the Pokémon.
cover fossil can be found in the desert ruins.....
in the city where the firs gym is
the fossil maniacs brother
at the fossil maniacs house this girl will give it to you
fallourbaur town in route 114 there is a house
go to the fossil maniacs house and talk to the little girl
Mirage tower and underground tunnel in the fossil maniacs house.
You can find it in the desert underpass in the fossil maniacs house or i think its mirage tower.
The little jerk wants you to suffer. or you already have it.
Dig is a TM obtained from a kid in the fossil maniacs house which is west from fallarbor town.
talk to the kid next to the cave in the fossil maniacs house in fallabor
The Fossils in Pokémon Diamond are the Helix Fossil which is the Omanyte Fossil, the Dome Fossil which is the Kabuto Fossil, the Old Amber which is the Aerodactyl Fossil, the Root Fossil which is the Lileep Fossil, the Claw Fossil which is the Anorith Fossil, the Skull Fossil which is the Cranidos Fossil and the Armor Fossil which is the Shieldon Fossil.