| UNESCO Atlas of the World’s Languages in Danger ID | art-329 |
| 1617 | |
| ISO 639-3 | art-001 | arr |
| Glottolog Languoid Names | art-326 | Karo (Brazil) |
| Glottocode | art-327 | karo1305 |
| Glottolog Primary Key | art-328 | 24345 |
| English | eng-000 | Karo |
| français | fra-000 | káro |
| español | spa-000 | karo |