by Gerald Musinsky
"Females of the Unktehi." Land creatures, often perceived as dragon-like, who are the source of mysterious deaths and inexplicable disappearances. Their power lies in their tails, and if they lose these they become weak and foolish and can do no harm.
- Walker, James R. (1980). Lakota Belief and Ritual, ed. Raymond J. DeMaillie and Elaine A. Jahner. Lincoln: University of Nebraska Press, pp. 108, 122.