phonology", Southwestern Journal of Linguistics 9:150-162. ... Shaul, David Leedom, 1990, "Teguima (Opata) Inflectional Morphology", International Journal of American Linguistics, Vol. 56, No. 4 (Oct., 1990), pp. 561–573 Smith, Buckingham Agglutinative languages Southern Uto-Aztecan languages Indigenous languages of Mexico Extinct languages of North America Endangered Uto-Aztecan languages Languages extinct in the 2010s 2010 disestablishments in Mexico