Generation 7 featured in "Pokemon Sun and Moon" introduces not only new Pokemon but also new Alolan forms of previous generation Pokemon. This includes Pikachu, Vulpix, Sandshrew, Rattata, Diglett, Meowth and many more. And this guide provides a list of the new Pokemon and the requirements how to evolve each of them.
Alolan Forms of Generation 1 Pokemon in 'Pokemon Sun And Moon'
First in the list is Alola Rattata that will evolve to Alolan Raticate at level 20 during night time. Pichu evolves to Pikachu when happiness is maxed and to Alolan Raichu with a Thunder Stone. Alolan Sandshrew evolves to Alolan Sandslash with an Ice Stone which is the same requirement for Alolan Vulpix to Alolan Ninetales. Alolan Diglett evolves to Alolan Dugtrio when it reaches level 26 while Alolan Geodude evolves to Alolan Graveler at level 25 and to Alolan Golem when traded or reach level 38 for Alolan Muk.
Then Alolan Meowth evolves to Alolan Persian when it reaches max happiness as Exeggcute requires a leaf stone to evolve into Alolan Exeggutor. Cubone evolves to Alolan Marowak when it reaches level 28 during the night time.
Generation 7 Pokemon in 'Pokemon Sun And Moon'
Litten evolves to Torracat at level 17 and Incineroar at level 34 which is the same requirement for Popplio when it evolves to Dartrix and Decidueye. Pikipek requires to be in level 14 to reach Trumbeak and level 28 to get Toucannon. Yungoos, on the other hand, requires to evolve in the morning at level 20 to get to Gumshoos. Then Grubbin needs to be at level 20 to be a Charjabug and must be in Vast Poni Canyon to reach its third form Vikavolt just like Crabrawler evolving to Crabonimable when it's in Mount Lanakila.
Cutiefly needs to be at level 25 to evolve to Ribombee while Rockruff needs to be in the same level but during the daytime for Moon and night time for Sun. Then Mareanie needs to reach level 38 to be a Toxapex and Mudbray at level 30 to be a Mudsdale in in 'Pokemon Sun And Moon'. Next is Dewpider who needs to be in level 22 to be an Araquanid while Fomantis needs to be in level 34 in the morning to be a Lurantis. Then there's Morelull who needs to be at level 24 to be a Shiinotic and Stufful at level 27 to be a Bewear.
Salandit's evolution is a bit complicated because only females can evolve to Salazzle at level 33. Meanwhile, Bounsweet only needs to be a level 18 to evolve to Steenee and learn Stomp at level 29 to reach Tsareena. After that is Wimpod who must be in level 30 to be a Golisopod while Sandygast in level 42 to be a Palossand. Then the mighty and strong Type: Null who needs to have the maximum happiness to be a Silvally. Last but not the least is Jangmo-o who needs to be at level 35 to be Hakamo-o and 45 to be Kommo-o in in 'Pokemon Sun And Moon'