The following is the entry for this language as it appeared in the 14th edition (2000).
It was superseded by the corresponding entry in the 15th edition (2005). See also the corresponding entry in the current edition of Ethnologue.
SIL code: COS
ISO 639-2: nai
| Population | 1 or 2 speakers (1962 Chafe) out of a possible 250 population (1977 SIL). |
| Region | Southern Oregon coast. |
| Alternate names | HANIS |
| Classification | Penutian, Oregon Penutian, Coast Oregon, Coosan. |
| Comments | Bilingualism in English. All over 50 years old (1962). Possibly extinct. Nearly extinct. |