Wamo–Chapakúra is a proposed connection between the largely extinct Chapacuran language family and the otherwise unclassified language Wamo (or Guamo). Kaufman (1990) finds the connection convincing.

References

• Kaufman, Terrence (1990). "Language History in South America: What we know and how to know more". In David L. Payne (ed.). Amazonian Linguistics. Austin: University of Texas Press.