Kimbundu languages
The Kimbundu languages are a group of Bantu languages coded Zone H.20 in Guthrie's classification. According to Nurse & Philippson, they probably form a valid node, though this is still uncertain. They are:
Songo is often assumed to be a dialect of Kimbundu, but actually appears to be one of the Teke languages. Ngoya to its south was until recently considered a dialect of Kimbundu, but has now been recognized as a language in own right, and may be transitional between Kimbundu and Umbundu.Footnotes
