Proto-language

Proto-Anatolian Proto-Algonquian Proto-Circassian Proto-Eskimo Proto-Eskimo–Aleut Proto-Hmong–Mien Proto-Iroquoian Proto-Mon–Khmer Proto-Northwest Caucasian Proto-Samoyed Ural–Altaic Proto-Human Proto-Slavic Proto-Trans–New Guinea Proto-Basque Proto-Indo-Iranian Proto-Arawakan