Generation 6
Generation 7
Generation 8
Generation 9
Special Category
100
Espurr
Psychic
100
Trumbeak
Normal / Flying
(According to Bulbapedia, the Pokémon species with the least amount of visits)
100
Rookidee
Flying
100
Maushold
Normal
100
Stunfisk
Ground / Electric
200
Pyroar
Fire / Normal
200
Tapu Lele
Psychic / Fairy
200
Applin
Grass / Dragon
200
Tinkaton
Fairy / Steel
200
Burn Drive Genesect
Bug / Steel
(Despite being able to change the type of its signature move 'Techno Blast', Drives do not impact Genesect's typing)
300
Volcanion
Fire / Water
300
Marshadow
Fighting / Ghost
300
Dracovish
Water / Dragon
300
Houndstone
Ghost
300
Iron Moth
Fire / Poison
400
Complete Forme Zygarde
Ground / Dragon
400
Dhelmise
Ghost / Grass
(Has an ability that adds bonus damage to Steel type moves, but isn't actually a Steel type)
400
Grapploct
Fighting
400
Terapagos
Normal unless Terastallized
 When Entering Battle |  Stellar Form when Terastallized |
| Normal | Stellar |
400
Blacephalon
Fire / Ghost
500
Mega Eternal Flower Floette
Fairy
500
Kartana
Grass / Steel
500
Urshifu
Pictured: Kubfu, its pre-evolution
Depends on the Scroll used to evolve it.
 Single Strike Style |  Rapid Strike Style |
| Fighting / Dark | Fighting / Water |
500
Ogerpon
Depends on the mask she is wearing
 Teal Mask |  Hearthflame Mask |  Wellspring Mask |  Cornerstone Mask |
| Grass | Grass / Fire | Grass / Water | Grass / Rock |
500
Nihilego
Rock / Poison