| UNESCO Atlas of the World’s Languages in Danger ID | art-329 |
| 757 | |
| ISO 639-3 | art-001 | sey |
| ISO 639-3 | art-001 | snn |
| Glottolog Languoid Names | art-326 | Secoya |
| Glottolog Languoid Names | art-326 | Siona |
| Glottocode | art-327 | seco1241 |
| Glottocode | art-327 | sion1247 |
| Glottolog Primary Key | art-328 | 34460 |
| Glottolog Primary Key | art-328 | 34463 |