 However, it does appear in the seminal Cavalli-Sforza paper 
Therefore use of "supercluster" as a euphemism for "race" might be considered a or, more likely, an idiosyncratic usage according to the .Usage of "supercluster" for populations as well as haplotypes makes the term ambiguous and may require clarification when the word is used.Examples of usage to describe haplogroups, not races