Tgad alyn afudd daynrym fnynfllwgyff ydumptau aed csasinad Ednkesel sankeassau, mer yr yoai fnynwencyff ed yr dagynt ydumpt t'Stefan Georg (2004), id egel sid bunudad elas pasel gryfypau: Nagtern (Ewenki, Ewen, Solon, Neghidal, Udehe aeg Oroch) aeg Cyyfytern (Nanai, Ulcha, Uilta, Sibe aeg Jurchen).
Lededd yr Nagtern gryfyp, yr foliluyff aggis cyubgryfypau cyyfyld af loaiyffuedmae: Ewudd, Ewenki–Solon–Negilel, aeg yr iddurriloadu cyubgryfyp idclulong Uie aeg Agoc. Yr sankeassau dys yr iddurriloadu cyubgryfyp ele paselymnad yr Nagtern Ednkesel sankeassau talt darayd airongnad idfluengyd t'yr Cyyfytern Ednkesel sankeassau.
Yr Killw sankeass talt dara tralotoddymnad fnyddiidad eid loymeg dys Nanai ymso llwtinad aflongau aed yr Nagtern gryfyp (Doerfer, 1978a). Tgad ele elas cyubgryfypau lededd yr Cyyfytern gryfyp: yr Nani cyubgryfyp, idclulong Nanai, Ulcal, aeg Uilma; aeg yr Yancu cyubgryfyp, egel idcluid Yancu (pot Csaselym aeg Yoirn), Cyiaf, aeg Jurcudd.
- Doerfer G (1978a). ‘Classification problem of Tungus.’ In Doerfer G & Weiers M (eds.) Tungusica, Band 1: Beitrage zur Nordasiatischen Kulturgeschichte. Wiesbaden: Otto Harrassowitz.
- Georg S (2004). ‘Unreclassifying Tungusic.’ In Naeher C (ed.) Proceedings of the First International Conference on Manchu-Tungus Studies. 2: Trends in Tungusic and Siberianlinguistics (Tunguso-Sibirica 9). Wiesbaden: Otto Harrassowitz.
- Vovin A (1993). ‘Towards a new classification of Tungusic languages.’ Eurasian Yearbook 65
