Kamassian or Kamas is an extinct Samoyedic language

Samoyedic languages

The Samoyedic languages are spoken on both sides of the Ural mountains, in northernmost Eurasia, by approximately 30,000 speakers altogether....

, included by convention in the Southern group together with Mator

Mator language

Mator or Motor was a Uralic language belonging to the group of Samoyedic languages, extinct since the 1840s. It was spoken in the northern region of the Sayan Mountains in Siberia, close to the Mongolian north border. The speakers of Mator lived in a wide area from the eastern parts of the...

, Koibal

Koibal language

Koibal language may refer to:*The Koybal dialect of the Khakas language, a modern Turkic language.*Koibal language , an extinct Samoyedic language....

, and Selkup

Selkup language

Selkup language is a language of the Selkups, belonging to the Samoyedic group of the Uralic language family. It is spoken by some 1,570 people in the region between the Ob and Yenisei Rivers . The language name Selkup comes from the Russian "" , based on the native name used in the Taz dialect, ...

 (although this does not constitute an actual subfamily). The last native speaker, Klavdiya Plotnikova

Klavdiya Plotnikova

Klavdiya Zakharovna Plotnikova-Andzhighatova was the last living speaker of the Kamassian language . Her father was a Russian named Zakhar Perov and her mother was a Kamassian named Afanasiya Andzhighatova...

, died in 1989. Kamassian was spoken in Russia

Russia

Russia or , officially known as both Russia and the Russian Federation , is a country in northern Eurasia. It is a federal semi-presidential republic, comprising 83 federal subjects...

, east of the Ural mountains

Ural Mountains

The Ural Mountains , or simply the Urals, are a mountain range that runs approximately from north to south through western Russia, from the coast of the Arctic Ocean to the Ural River and northwestern Kazakhstan. Their eastern side is usually considered the natural boundary between Europe and Asia...

, by Kamasins

Kamasins

Kamasins were a tribe of Samoyedic people in the Sayan Mountains numbering approx. 500 men, who lived along the Kan River and Mana River in the 17th century...

.

A historical name for Kamas is Koibal. This is the term for the Kamas people who shifted to the Turkic Khakas language

Khakas language

Khakas is a Turkic language spoken by the Khakas people, who mainly live in the southern Siberian Khakas Republic, or Khakassia, in Russia...

; the modern Koibal people are mixed Samoyed–Khakas–Yeniseian.

Sources

• Britannica, 1984 Edition, Vol. 18, p. 1025
• Wixman, Ronald. The Peoples of the USSR. p. 109