It was extinct by the 1950s and was formerly spoken in north central California.
Kimgao: formerly spoken around Kilwa District and to the south.
It was formerly spoken over a far wider area than today, even in the recent past.
The Vanji language, formerly spoken in the valley, is extinct.
It was also formerly spoken in Colombia, but is now extinct there.
Formerly spoken in a much wider area extending west to the Lena basin.
Fifty-two languages formerly spoken in the country's territory are now extinct.
The latter was formerly spoken in parts of eastern El Salvador.
It was formerly spoken in Brazil, but is now extinct in that country.
Such "genuine" dialects were formerly spoken by a vast majority of the population, but have declined much since the 1960s.