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It was superseded by the corresponding entry in the 15th edition (2005).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: SER
ISO 639-2: nai
| Population | 1 speaker (1994 C.J. Coker). |
| Region | Southern California, San Bernardino and San Gorgonio Pass area. |
| Classification | Uto-Aztecan, Northern Uto-Aztecan, Takic, Serrano-Gabrielino. |
| Comments | Bilingualism in English. The speaker is elderly (1994). Nearly extinct. |
