Afro-Asiatic Nilo-Saharan? Niger–Congo Khoisan (areal)
Indo-European Caucasian (areal) Uralic Dravidian Altaic (areal) Paleosiberian (areal)
Sino-Tibetan Hmong–Mien Tai–Kadai Austroasiatic Austronesian Papuan (areal) Australian (areal)
Eskimo–Aleut Na-Dené (and Dené–Yeniseian) American (areal)
Creole/Pidgin/Mixed language isolate sign language constructed language unclassified