| UNESCO Atlas of the World’s Languages in Danger ID | art-329 |
| 2011 | |
| ISO 639-3 | art-001 | tnc |
| Glottolog Languoid Names | art-326 | Tanimuca-Retuarã |
| Glottocode | art-327 | tani1257 |
| Glottolog Primary Key | art-328 | 34448 |
| English | eng-000 | Tanimuca-Letuama |
| français | fra-000 | tanimuca-letuama |
| español | spa-000 | tanimuca-retuarã |