website|http://au.top100.ign.com/2007/ign_top_game_5.html|IGN page that claims that there was a 3D Mario game in development using the Super FX chip.
website|http://en.wikipedia.org/w/index.php?title=Super_FX&oldid=149415224|Wikipedia archive when Super Mario FX appeared on the page. From August 5, 2007. Of course, no reference is there.