Unused type combinations Gen VI : r/pokemon

Unused Pokemon Type Combinations: Which Are Missing?

What unused type combinations would you like to see in gen 9 (or newer Pokémon games in general)? : r/MandJTV

Ticked off all confirmed new Sun and Moon type combinations : r/pokemon

Types, Pokémon Wiki

Every Unused Pokémon Type Combination

Creating Randomly Generated Pokemon

Which publication is your representative work? - ScienceDirect

Pokémon: 10 Unused Type Combos That Could Be Fulfilled By Existing Creatures

Pokémon only has 9 unused type combinations—and 2 would change everything - Dot Esports

Unused Pokemon Type Combinations: Which Are Missing?

All used and unused type combinations as of posting! What kinds of Pokémon do you think could be made for those unused typings? : r/pokemon

Pokémon Shuffle Review (3DS eShop)

Unused Pokemon Type Combinations: Which Are Missing?

Unused type combinations by AdeptCharon on DeviantArt

A novel class of polymorphic toxins in Bacteroidetes