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Covers the "Northeast Brazil" reference area, composed of sets not covered by any phylozone.
Comprising 11 sets of languages (= 14 outer languages) spoken or formerly spoken by communities in northeastern South America, in an area of Brazil centered on Bahia.
The indigenous languages of this reference area have now been almost totally submerged and replaced by  Português. Dates of extinction (assumed to be in 20th cent., but may be earlier) need to be confirmed.