Classification
- WALS
- Sio > Ohio Valley Siouan
- Glottolog
- Siouan > Coresiouan > Ohiovalleysiouan > Southeasternsiouan
- Ethnologue
- Siouan Catawban > Siouan > Southeastern > Biloxi Ofo
Sources
- Dorsey and Swanton 1912
- A dictionary of the Biloxi and Ofo languages. Washington: Government Printing Office.