Bruce A. Sommer 1976: 128
The extinct northern Paman language comprising the lects Tyanngayt, Mamngayt, Ntrwangayt and Ntrangit, is missing from E16/E17/E18/E19/E20/E21/E22/E23/E24/E25/E26/E27 ( Hey, I. Nicholas 1903 , Hale, Kenneth L. 1966 ).