Abilities, Corrosion
2 species have Corrosion as a hidden ability, 2 as a normal one
Of the 1,025 species this site covers, default forms only
SinceGen VII
Normal2
Hidden2
Elsewhere1
Effect, in PokéAPI's words
“This Pokémon can inflict poison on Poison and Steel Pokémon.”
As a hidden ability
Glimmet
GlimmoraAs a normal ability
Salandit
SalazzleElsewhere in PokéAPI
1 more holder without a page here
Alternate forms and other species that PokéAPI lists with Corrosion.
Salazzle Totem