In the games, you may find one of several fossils of long extinct Pokémon. These fossils can be taken to specific plates, specifically the Cinnabar Island, Pewter City & Oreburgh Mining Museums as well as Devon Corp., where they will be revived into the Pokémon that became extinct.

Picture	Name	Effect
	Armor Fossil	A fossil from a prehistoric Pokémon that lived on the land. It appears to be part of a collar.
	Claw Fossil	A fossil of an ancient Pokémon that lived in the sea. It appears to be part of a claw.
	Cover Fossil	A fossil of an ancient Pokémon that lived in the sea in ancient times. It appears to be part of its back.
	Dome Fossil	A fossil of an ancient Pokémon that lived in the sea. It appears to be part of a shell.
	Helix Fossil	A fossil of an ancient Pokémon that lived in the sea. It appears to be part of a seashell.
	Old Amber	A piece of amber that contains the genetic material of an ancient Pokémon. It is clear with a reddish tint.
	Plume Fossil	A fossil of an ancient Pokémon that flew in the sky in ancient times. It appears to be part of its wing.
	Root Fossil	A fossil of an ancient Pokémon that lived in the sea. It appears to be part of a plant root.
	Skull Fossil	A fossil from a prehistoric Pokémon that lived on the land. It appears to be part of a head.