Board Thread:General Discussion/@comment-103.251.202.154-20160218023142/@comment-3199606-20160221194915

GreyStark wrote: I agree, this doesn't come up in other stuff, take GoT/asoiaf the dragons there are technically wyverns, but noone compains about it As a matter of fact, I read once that a character basically makes a "Take that!" about the whole debate; stating that real dragons (in-universe, anyway) had the body structure of a wyvern and that the six-limbed dragon was a popularized interpretation by people that had never seen an actual dragon.

And even then, somebody actually asked Mr. Martin why he depicted dragons as such, and he answered that the distinction between dragon and wyvern was mainly in Middle age heraldry, I think?