Is there something in particular that you weren't able to find via Google or Wikipedia?
It is not our responsibility to prove or disprove your assertions. If you have enlightening information to share with the class which you can cite, then please, by all means do. Otherwise, get thee gone.
Had he argued that his points were valid simply because they hadn't been disproven, then it would have been an argument from ignorance.
Just because someone makes an assertion without attaching footnotes does not make it a fallacy.