I know that is not allowed to tag pokemon as animal species, for example, "charizard" cannot have a "dragon" tag but can use "reptile". Or Eevee cannot have the "fox" tag, but can use "canid"
But what happens if I draw certain pokemon as an specific species, for example, changing "Lugia" design as a "wyvern" , drawing it with claws, membrane wings, etc. Would it be allowed to have the "wyvern" tag?