Mega Aerodactyl

In Generation VI, it gets a Mega Evolution.

Mega Aerodactyl is the Mega Evolution of Generation I's Aerodactyl. It keeps the type but its stats are greatly increased. It evolves using Aerodactylite.

https://vignette.wikia.nocookie.net/pokemon/images/2/23/142MAerodactyl.png/revision/latest?cb=20140328211152