sub-sub-group

Updated: May 27, 2025

Of these groups within groups, the great or primary ones are the most unlike, the sub-groups are less unlike, the sub-sub-group still less unlike, and so on; and this, too, is a characteristic of groups demonstrably produced by evolution.

John Lord - Beacon Lights of History, Volume 14 : The New Era; A Supplementary Volume, by Recent Writers, as Set Forth in the Preface and Table of Contents