Qiangic languages
Qiangic (Ch'iang, Kyang, Tsiang), formerly known as Dzorgaic, is a group of related languages within the Sino-Tibetan language family. They are spoken mainly in Southwest China, including Sichuan, Tibet and Yunnan. Most Qiangic languages are distributed in the prefectures of Ngawa, Garzê, Ya'an, and Liangshan in Sichuan with some in northern Yunnan as well.
Qiangic speakers are variously classified as part of the Qiang, Tibetan, Pumi, Nakhi and Mongol ethnic groups by the Chinese government.
The extinct Tangut language, the official language of the Western Xia, has been determined to be a Qiangic language.
Languages
Sun (1983)
Sun Hongkai (1983) proposes two branches, northern and southern:
Northern: Northern Qiang (Máwō), Pumi (Prinmi), Muya (Minyag), Tangut (extinct; attested 1036–1502)
Southern: Southern Qiang (Táopíng).
Sun groups other, poorly described Qiangic languages as:
Ersu (Tosu), Shixing, Namuzi (Namuyi)
Guiqiong (2–3 varieties with low intelligibility)
Zhaba, Queyu.