Allen Johnson and Timothy Earle’s widely read book The Evolution of Human Societies, which uses the Great Basin Shoshone of a century ago as one of its key case studies. Like the Cheyenne, the Shoshone spent most of the year in unranked, family-sized groups, but some of them periodically granted “rabbit bosses” and “antelope shamans” far-reaching powers to coordinate large-scale hunting and trapping.