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Undiscovered (Egg Group)

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Reason: Missing Korean name.

Egg Groups
Monster Human-Like
Water 1 Water 3
Bug Mineral
Flying Amorphous
Field Water 2
Fairy Ditto
Grass Dragon
Gender unknown

The Undiscovered Egg Group (Japanese: タマゴみはっけん Eggs Never Discovered), known in Pokémon Stadium 2 as the No Eggs Egg Group, and the No Eggs Discovered Group in Pokémon X & Pokémon Y: The Official Kalos Region Pokédex & Postgame Adventure Guide, is one of the fifteen Egg Groups. As of Generation VI, 82 Pokémon belong to this group.


The Undiscovered Egg Group is characterized by its members' inability to breed. Other than Cosplay Pikachu, Nidorina, Nidoqueen, and Unown, all of the Pokémon in the group are either baby Pokémon or Legendary Pokémon.

Baby Pokémon are designated for this group due to them being too immature to breed, while Legendary Pokémon are included to prevent players from breeding them (with the exception of Manaphy). The reason why Nidorina and Nidoqueen are in this group has been widely speculated since their inclusion in it in Generation II.

In Pokémon X and Y, all Pokémon in this group are guaranteed to have a perfect 31 in at least three of their individual values when caught in the wild or obtained as a gift. In Pokémon Omega Ruby and Alpha Sapphire, this only applies to Legendary Pokémon.


Only in this Egg Group

#   Pokémon Type
025 025 Pikachu
Cosplay Pikachu
030 030 Nidorina Poison
031 031 Nidoqueen Poison Ground
144 144 Articuno Ice Flying
145 145 Zapdos Electric Flying
146 146 Moltres Fire Flying
150 150 Mewtwo Psychic
151 151 Mew Psychic
172 172 Pichu Electric
173 173 Cleffa Fairy
174 174 Igglybuff Normal Fairy
175 175 Togepi Fairy
201 201 Unown Psychic
236 236 Tyrogue Fighting
238 238 Smoochum Ice Psychic
239 239 Elekid Electric
240 240 Magby Fire
243 243 Raikou Electric
244 244 Entei Fire
245 245 Suicune Water
249 249 Lugia Psychic Flying
250 250 Ho-Oh Fire Flying
251 251 Celebi Psychic Grass
298 298 Azurill Normal Fairy
360 360 Wynaut Psychic
377 377 Regirock Rock
378 378 Regice Ice
379 379 Registeel Steel
380 380 Latias Dragon Psychic
381 381 Latios Dragon Psychic
382 382 Kyogre Water
383 383 Groudon Ground
384 384 Rayquaza Dragon Flying
385 385 Jirachi Steel Psychic
386 386 Deoxys
Normal Forme
386 386A Deoxys
Attack Forme
386 386D Deoxys
Defense Forme
386 386S Deoxys
Speed Forme
406 406 Budew Grass Poison
433 433 Chingling Psychic
438 438 Bonsly Rock
439 439 Mime Jr. Psychic Fairy
440 440 Happiny Normal
446 446 Munchlax Normal
447 447 Riolu Fighting
458 458 Mantyke Water Flying
480 480 Uxie Psychic
481 481 Mesprit Psychic
482 482 Azelf Psychic
483 483 Dialga Steel Dragon
484 484 Palkia Water Dragon
485 485 Heatran Fire Steel
486 486 Regigigas Normal
487 487 Giratina
Altered Forme
Ghost Dragon
487 487O Giratina
Origin Forme
Ghost Dragon
488 488 Cresselia Psychic
491 491 Darkrai Dark
492 492 Shaymin
Land Forme
492 492S Shaymin
Sky Forme
Grass Flying
493 493 Arceus Normal
494 494 Victini Psychic Fire
638 638 Cobalion Steel Fighting
639 639 Terrakion Rock Fighting
640 640 Virizion Grass Fighting
641 641 Tornadus
Incarnate Forme
641 641T Tornadus
Therian Forme
642 642 Thundurus
Incarnate Forme
Electric Flying
642 642T Thundurus
Therian Forme
Electric Flying
643 643 Reshiram Dragon Fire
644 644 Zekrom Dragon Electric
645 645 Landorus
Incarnate Forme
Ground Flying
645 645T Landorus
Therian Forme
Ground Flying
646 646 Kyurem
Normal Kyurem
Dragon Ice
646 646B Kyurem
Black Kyurem
Dragon Ice
646 646W Kyurem
White Kyurem
Dragon Ice
647 647 Keldeo
Ordinary Forme
Water Fighting
647 647R Keldeo
Resolute Forme
Water Fighting
648 648 Meloetta
Aria Forme
Normal Psychic
648 648P Meloetta
Pirouette Forme
Normal Fighting
649 649 Genesect Bug Steel
716 716 Xerneas Fairy
717 717 Yveltal Dark Flying
718 718 Zygarde Dragon Ground
719 719 Diancie Rock Fairy
720 720 Hoopa Psychic Ghost
721 721 Volcanion Fire Water


  • This and the Ditto Group are the only ones in which all members are in a single group, since being a member of any other Egg Group would defeat the purpose of being in the Undiscovered group.
  • Nidorina and Nidoqueen are both in this group and therefore cannot breed; however, their respective male counterparts Nidorino and Nidoking, as well as their pre-evolution Nidoran♀ and its male counterpart Nidoran♂, are able to do so.
  • The only Mythical Pokémon not in this Egg Group are Phione (mythical status disputed) and Manaphy, which are in the Water 1 and Fairy groups.
  • This is the only Egg Group that contains a Pokémon of every type.

In other languages

Language Title
France Flag.png French Pas d'Oeufs
Germany Flag.png German Keine Eier
Italy Flag.png Italian Nessun Uovo
Spain Flag.png Spanish No pone Huevos