>>19541196anything with a reference to variousdragon lore all over the world (which vary from each other, with the broadest categories being western and eastern dragons), real-life animals with dragons to their names, massive serpentine/reptilian beasts that are considered dragons by certain cultures, and other legendary beasts that share certain characteristics of dragons.
Given we have fungi for Grass type, other metals for Steel type and arthropods in general being Bug type, this should hardly be a problem.