Aerodactyl's wyvern-like appearance hints at Dragon-type, but it's Rock and Flying due to its status as a Fossil Pokemon.

Not only is it great in PvE, but it excels in the Master League in Pokemon GO PvP. Thanks to its partial Ground typing, it can easily handle any Steel-types that can resist its Dragon-type moves.

With all three of these Pokémon having dual typings, be sure to stock up on Mega energy in order to maximize candy for Dark, Fire, Water, Dragon, and Flying ... 4th best Dark-type Mega and ...