User:Nescientist/List of Pokémon that may lose a type upon evolution

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This is a list of Pokémon that may lose one of their types upon evolution, such that they have that type before evolution but not afterwards.

List of Pokémon that may lose a type upon evolution

Before evolution Types After evolution Types

Gloom
Grass
Poison

Bellossom
Grass

Onix
Rock
Ground

Steelix
Steel
Ground

Exeggcute
Grass
Psychic

Alolan Exeggutor
Grass
Dragon

Mime Jr.
Psychic
Fairy

Galarian Mr. Mime
Ice
Psychic

Scyther
Bug
Flying

Scizor
Bug
Steel

Kleavor
Bug
Rock

Cubone
Ground
Alolan Marowak
Fire
Ghost

Eevee
Normal
Vaporeon
Water

Jolteon
Electric

Flareon
Fire

Espeon
Psychic

Umbreon
Dark

Leafeon
Grass

Glaceon
Ice

Sylveon
Fairy

Azurill
Normal
Fairy

Marill
Water
Fairy

Pupitar
Rock
Ground

Tyranitar
Rock
Dark

Kirlia
Psychic
Fairy

Gallade
Psychic
Fighting

Surskit
Bug
Water

Masquerain
Bug
Flying

Nincada
Bug
Ground

Ninjask
Bug
Flying

Shedinja
Bug
Ghost

Swablu
Normal
Flying

Altaria
Dragon
Flying

Skorupi
Poison
Bug

Drapion
Poison
Dark

Rufflet
Normal
Flying

Hisuian Braviary
Psychic
Flying

Fletchling
Normal
Flying

Fletchinder
Fire
Flying

Skrelp
Poison
Water

Dragalge
Poison
Dragon

Dartrix
Grass
Flying

Decidueye
Grass
Ghost

Hisuian Decidueye
Grass
Fighting