 At the time of discovery, there was a resistance to erecting completely new genera based on single specimens.Consequently, the proposal of "Zinjanthropus" during the Fourth Pan-African Congress of Prehistorians, in July in the then Belgian Congo, was rejected and subsumed into "Paranthropus".Dart made his now famous joke, "... what would have happened if [the "A. africanus" specimen] Mrs. Ples had met Dear Boy one dark night."