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Is there a short and proper name for font families that contain corresponding Sans and Serif (and sometimes other) designs?
Thesis: TheSans, TheSerif & TheMix
ITC Stone: Sans, Serif, Informal, Humanist
Agfa Rotis: Sans, SemiSans, SemiSerif, Serif
FF Scala: Sans & Serif
I think I've heard them called "meta-families" - but this could easily be confused with FF Meta...