This key is under construction and some links may not work. Please assist with the refinement of the key, by sending corrections and suggestions to Dave Phillips at dap@unm.edu.
Are there bold red and black lines, outlined with texturing?
If YES, see Corralitos Polychrome.
If NO, continue to the next question.
Is the vessel polished?
If YES, see Dublán Polychrome.
If NO, see Mata Polychrome.