Classification
- WALS
- Tuc > Tucanoan
- Glottolog
- Tucanoan > Westerntucanoan > Napotucanoan > Siona Secoya
- Ethnologue
- Tucanoan > Westerntucanoan > Macaguaje
Sources
- Huber and Reed 1992
- Comparative Vocabulary: Selected Words in Indigenous Languages of Colombia. Bogotá, Colombia: Summer Institute of Linguistics.