I can't find palkia weak to salamence anymore but I found this : r/jaidenanimations

Palkia (Pokémon GO) - Best Movesets, Counters, Evolutions and CP

Origin Forme Palkia V (Alternate Full Art)

Pokémon Go Palkia counters, weaknesses and moveset explained

So idk if this has been brought up yet, but if you look on google it says that palkia is salamence type (mind you salamence is the dragon pokemon) on top of

Palkia is no longer weak to salamence. This hurts more than I thought it would. : r/pokemon

Palkia weakness meme

Pokemon Shadow Palkia 38

Check out this SUPER VERSATILE variant of PALKIA VSTAR! [Pokemon TCG Online]

Pokemon Arceus Dialga Palkia GX 221/236 Alt Art Cosmic Eclipse PSA 10 GEM MINT

Palkia VSTAR Sets Up Insanely Fast!- PTCGO Expanded