Ok, here are the fossil Pokemon I have:
Omanyte in a Quick Ball, Heal Ball and Dream Ball
Kabuto in a Dream Ball
Aerodactyl in a Timer Ball
Lileep in a Nest Ball
Anorith in a Dream Ball and Luxary Ball
Cranidos in a Dream Ball and Luxary Ball
Shieldon in a Great Ball and Ultra Ball
Tirtouga in a Nest Ball and Dream Ball
For a Gastly in a Heavy Ball one of these can be yours!
Omanyte in a Quick Ball, Heal Ball and Dream Ball
Kabuto in a Dream Ball
Aerodactyl in a Timer Ball
Lileep in a Nest Ball
Anorith in a Dream Ball and Luxary Ball
Cranidos in a Dream Ball and Luxary Ball
Shieldon in a Great Ball and Ultra Ball
Tirtouga in a Nest Ball and Dream Ball
For a Gastly in a Heavy Ball one of these can be yours!