Pokémon Omega Ruby and Alpha Sapphire add Mega-Evolutions for Steelix, Glalie - Polygon

Mega Evolution - Bulbapedia, the community-driven Pokémon encyclopedia

Pokémon X and Y: Best Teams, How to Level Up, Mega Evolutions

Mega Steelix - Pokemon Omega Ruby and Alpha Sapphire Guide - IGN

Steelix, Pokémon GO Wiki

Every time a Pokemon is Mega evolved, its regular Pokedex entry # Seen goes up by 1 but Caught stays the same. : r/TheSilphRoad

Just 1 Mega Steelix Raid & Mega Evolving Shiny Steelix in Pokemon GO

Pokémon: 20 Mega Evolutions So Powerful They Should Be Banned

Steelix's mega energy counter is now displayed for that evolution line. : r/TheSilphRoad

Pokémon OR/AS terá Mega Steelix, Mega Glalie e demo nas Américas - Nintendo Blast

Mega Steelix Pokémon GO: Fraquezas, melhores counters e como derrotar nas Reides - Millenium