ZOLT (BIRD): The fossil of an ancient Pokémon that once soared through the sky. What it looked like is a mystery.
ELECTRIC/FLYING

ARCTO (DINO): The fossil of an ancient Pokémon that once lived in the sea. What it looked like is a mystery.
ICE/WATER

VISH (FISH): The fossil of an ancient Pokémon that once lived in the sea. What it looked like is a mystery.
WATER or WATER/STEEL?

DRACO (DRAKE): The fossil of an ancient Pokémon that once roamed the land. What it looked like is a mystery.
DRAGON or DRAGON/GROUND?

Interesting to note that Zolt's ancestors actually flew as opposed to being a land-based raptor.