- Tupi (Abañeénga) dialects
- Tamoyo – once spoken from theCabo de São Tomé toAngra dos Reis, state of Rio de Janeiro. (Unattested.)
- Ararape – once spoken on theParaíba do Sul River in the state of Rio de Janeiro. (Unattested.)
- Temimino – once spoken on the coast of the state of Espirito Santo. (Unattested.)
- Tupiniquin /Margaya – once spoken on the coast from Espirito Santo as far asCamamu, state of Bahia.
- Tupinamba – formerly spoken on the coast fromCamamu as far as the mouth of theSão Francisco River, later on the coast in the state of Maranhão.
- Tupina – once spoken in the interior of the state of Bahia. (Unattested.)
- Caeté /Caité – once spoken on the coast from the mouth of theSão Francisco River to the mouth of theParaíba do Norte River. (Unattested.)
- Amoipira /Anaupira – once spoken in the interior of the state of Bahia, fromCabrobó to the mouth of theGrande River. (Unattested.)
- Abaete – once spoken in Bahia on theAbaeté River. (Unattested.)
- Maromomi – dialect spoken at the old mission ofSão Barnabé,Rio de Janeiro. (Unattested.)
- Potiguara /Petigare – dialect once spoken on the coast from the mouth of theParaíba do Norte River to the mouth of theParnaiba River, now spoken by a few families in theBaía da Traição, state of Paraíba.
- Viatan – once spoken in the interior of the states ofPernambuco, but the exact location not recorded. (Unattested.)
- Tobajara /Miarigois – once spoken in the interior of the state of Ceará on theCamocim River. (Unattested.)
- Cahicahi /Caicaze /Caicai – once spoken on the lower course of theItapecurú River, state of Maranhão. (Unattested.)
- Jaguaribára – once spoken at the mouth of theJaguaribare River, state of Ceará. (Unattested.)
- Tupinambarana – once spoken on the island of the same name on theAmazon River. (Unattested.)
- Nhengahiba /Ingahiva – once spoken in the southern part ofMarajó Island, Pará. (Unattested.)
- Nheéngatu /Niangatú /Lingua Geral – a language spoken by the mixed population on both banks of theAmazon River and in the past century used in intertribal and commercial relations.
- Guarani (Karani, Abañéem) dialects
- Chandri /Yarri – once spoken on theMartín García Island and in theMartín Chico region, Argentina, and on the coast nearSan Lázaro, Paraguay. (Unattested.)
- Topare – once spoken nearSan Gabriel, Uruguay. (Unattested.)
- Cariú /Carijó – once spoken in the state of Rio Grande do Sul, Brazil, fromPorto Alegre toAntonina, state of Paraná and in theSerra do Mar.
- Arachane /Arechane – once spoken around theLagoa dos Patos, Rio Grande do Sul. (Unattested.)
- Itatin – originally spoken south of theApa River, Paraguay, now by a few families on theBrilhante River, state of Mato Grosso, Brazil. (Unattested.)
- Bituruna – once spoken on theSão Antonio River,Peixe River, andChopim River in the state of Paraná, Brazil. (Unattested.)
- Tape – extinct dialect from theSerra Geral, state of Rio Grande do Sul (Unattested.)
- Apapocúva – originally spoken on theDourados River andAmambaí River, state of Mato Grosso, later on theItaparé River, state of São Paulo, now extinct.
- Tañyguá – originally spoken on theDourados River, Mato Grosso, later on theAguapeí River, state of São Paulo, now extinct. (Unattested.)
- Oguaíva – originally spoken in Mato Grosso, later on theParanapanema River, state of São Paulo. (Unattested.)
- Kainguá /Painguá /Montese – language affined to Guaraní, spoken on theJejuy River, Paraguay, and on theAracaí River andIgatimí River, state of Paraná. Dialects are:
- Canoiero /Aba /Tiäbezä – spoken on both banks of theTocantins River, in the central part ofBananal Island and at the mouth of theCrixás River andPeixe River, state of Goiás.
- Guaranized languages
- Kamayurá group
- Tapirapé group
- Northern group
- Pará group
- Guiana group
- Oyampi /Wayapí /Guayapi – originally spoken on the lower course of theXingú River, later on theOiapoque River in the territory of Amapá, in French Guiana, now on theMaroni River.
- Tamacom – extinct language once spoken on the middle course of theJarí River and at the sources of theMaracá River, Pará. (Unattested.)
- Cusari /Coussani – once spoken on the upper course of theAraguarí River, territory of Amapá. (Unattested.)
- Paikipiranga /Parixi – spoken at the sources of theMaracá River, Pará.
- Calayua – once spoken at the sources of theInipucú River, Pará. (Unattested.)
- Apama – spoken by a few individuals on theMaecurú River, Pará. (Unattested.)
- Emerillon /Teko /Emereñon /Marêyo – spoken by only a few families on theApprouague River,Camopi River,Inini River,Coureni River, andAraoua River, French Guiana.
- Caripuna /Calipurn – language spoken on theCuripi River, Pará, by the mixed population of diverse origin. (Unattested.)
- Southern group
- Amazonas group
- Omagua /Campeua /Carari – originally spoken along theAmazon River between the mouth of theJuruá River and the mouth of theNapo River, now in only a few villages.
- Yurimagua /Yoriman – once spoken along theAmazon River from the mouth of theJutaí River to the mouth, of thePurus River, now spoken by only a few of the mixed population in the city ofYurimaguas, Peru. (Unattested.)
- Aizuare – once spoken from the mouth of theJuruá River to the mouth of theJapura River. (Unattested.)
- Ibanoma /Bonama – spoken on the right bank of theAmazon River from the mouth of thePurus River to the mouth of theJuruá River; now totally extinct. (Unattested.)
- Tapajó – once spoken at the mouth of theTapajós River (cf. Pará group). (Unattested.)
- Awakachi – once spoken at the mouth of theAuacachi River. (Unattested.)
- Papateruana – once spoken in a part of theTupinambarana Island on theAmazon River. (Unattested.)
- Paguana – once spoken along theAmazon River from the mouth of theCafua River to the mouth of theTefé River. (Unattested.)
- Cocama – language spoken on a great lagoon on the left bank of theUcayali River and near the city ofNauta, Peru.
- Cocamilla – spoken on the lower course of theHuallaga River, Peru. (Tessmann 1930, p. 82.)
- Yeté – once spoken on theTiputini River, Loreto province, Peru. (Unattested.)
- Jibitaona – once spoken near the city ofSantiago de las Montañas, Peru. (Unattested.)
- Chiriguano group
- Chiriguano /Camba – spoken in the Bolivian Andes in the Serranía deAguarugue and in the western part of the Bolivian Chaco, inSara Province and on the upper course of theBermejo River. Now only in theCarandaiti Valley and aroundTarabuco.
- Guarayo – spoken at the sources of theBlanco River and on the San Miguel River, now in the missions ofYotaú, San Pablo, andYaguarú, province of Santa Cruz, Bolivia.
- Pauserna /Moperecoa /Warádu-nëe – originally spoken on theParagúa River andTarbo River, Bolivia, now by only a few individuals on theVerde River, a tributary of theGuaporé River, Mato Grosso.
- Tapieté /Kurukwá /Yanaygua /Parapiti – spoken on the upper course of thePilcomayo River and on theParapití River, Paraguayan Chaco
- Izozo /Chané language – spoken on theItiyuro River in the Campo y Durán and on theParepetí River, Chaco.
- Siriono /Chori – language of a very primitive tribe in central Bolivia, especially in the tropical forests on theIchillo River andGrande River, between theBlanco River andYapacaní River, between theIvari River andQuimore River, between the upper course of theIvari River andGrande River, between thePiray River andItonama River, and between theBeni River andMamoré River.
- Mawé group
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