Gerry asked
> Dear John,
> Do you have a label for pre-Nostratic languages?

I have heard a linguistics broadcast on the Australian Broadcasting
Commission refer to it as SCAAN (Sino-Caucasian-Amerind-Afroasiatic-
Nostratic). The program suggested the family broke up 40,000 BCE.
At this stage without seeing the linguistics, I suppose one name is
as good as another.