Classification
- WALS
- OM > Popolocan
- Glottolog
- Otomanguean > Easternotomanguean > Popoloca Zapotecan > Popolocan Mazatecan > Ixcatec Chocho Popolocan > Chocho Popolocan > Popolocan > Easternngigua
- Ethnologue
- Otomanguean > Easternotomanguean > Popolocan Zapotecan > Popolocan > Popoloca
Sources
- Veerman-Leichsenring 1991
- Gramática del Popoloca de Metzontla. Amsterdam: Editions Rodopi B. V.