List of Pokémon by Alola Pokédex number (Ultra Sun and Ultra Moon) - Bulbapedia, the community-driven Pokémon encyclopedia

List of Gen 7 Pokemon (Alola) Pokedex - Pokemon GO Guide - IGN

Pokémon Ultra Sun & Pokémon Ultra Moon: The Official Alola Region Strategy Guide - Bulbapedia, the community-driven Pokémon encyclopedia

Marshadow (Pokémon) - Bulbapedia, the community-driven Pokémon encyclopedia

Pokémon Sun & Pokémon Moon: The Official Alola Region Collector's Edition Pokédex & Postgame Adventure Guide

Tapu Koko (Pokémon) - Bulbapedia, the community-driven Pokémon encyclopedia

Hau - Bulbapedia, the community-driven Pokémon encyclopedia

Pokémon League (Alola) - Bulbapedia, the community-driven Pokémon encyclopedia

Type: Null (Pokémon) - Bulbapedia, the community-driven Pokémon encyclopedia

Ryuki - Bulbapedia, the community-driven Pokémon encyclopedia

Pokémon Living Pokédex guide - tips for a complete living dex in Gen 7's Ultra Sun and Ultra Moon

List of Pokémon by National Pokédex Number, PDF, Pokémon

Pokémon Ultra Sun & Pokémon Ultra Moon: The Official Alola Region Strategy Guide

Xurkitree (Pokémon) - Bulbapedia, the community-driven Pokémon encyclopedia

Nihilego (Pokémon) - Bulbapedia, the community-driven Pokémon encyclopedia