Total number of voices covered by the languages of each zone (or of each part of a divided zone) :
This geosector covers 121 sets of languages (= 415 outer languages, comprising 964 inner languages) spoken or formerly spoken by traditional "Amerindian" communities across South America and southern Meso-America (since before the arrival of speakers of Indo-European languages, principally  Español and Português, but also  Français and  English and Nederlands).
13 sets are treated within three phylozones, 80=, 82= and 88=, while the remaining 110 sets are classified geographically within seven geozones. Geozone 81= covers languages spoken by communities in southern Meso-America and parts of northern South America, and the geozones 83=, 84= and 85=, in geographic sequence, cover languages spoken by communities in the Andean regions, southward as far as Tierra del Fuego. Geozones 86=, 87= and 89= cover languages spoken by communities in the Mato Grosso, in the Amazon Basin and in northeastern Brazil.
In spelling the reference-names of languages spoken in areas where  Español is in general use, the usages of the letters /c/ or /qu/ are normally preferred to use of the letter /k/, and the usage of /ch/ to the use of /sh/. In areas where  Português is in general use, the usage of the letter /x/ is preferred to use of /sh/.
Updated phylosector in LS-2010. See older LS-2000 version SOUTH-AMERICA.