• possible deep genetic links to Mixe-Zoquean languages
• two main branches—Tepehua (3 languages) and Totonacan (7–20)
• Mexican census lists 240,000 speakers of Totonacan languages
• many of these languages are endangered and most are spoken primarily by adults

More information

Indigenous languages of Mexico
Instituto Nacional de Lenguas Indígenas (Mexico)
Totonacan languages in Wikipedia