Aerodactyl is a Rock and Flying-type Pokémon, which means it is weak against Water, Electric, Ice, Rock, and Steel-type moves. Here are some of the best Pokémon to use against Aerodactyl:

• Primal Kyogre
• Shadow Metagross
• Mega Swampert
• Mega Diancie
• Mega Blastoise
• Shadow Raikou
• Darmanitan (Galarian Zen)
• Zacian (Crowned Sword)
• Xurkitree
• Zekrom
• Mamoswine with Powder Snow and Avalanche

Its important to note that the best counters may vary depending on the specific battle or raid. For example, in a raid, its recommended to use a team of six Pokémon with the best counters to maximize your chances of winning. In a battle against Cliffs Aerodactyl, players may want to use Pokémon with double resistance to Aerodactyls fast move, such as Scrafty with PuP or Lucario with PuP.