Validity
More recently, Roger Blench (2008) has posited that the Adamawa languages are a geographic grouping, not a language family, and has broken up its various branches in his proposal of the Savannas family. He retained Boyd and Kleinewillinghöfer's Leko–Nimbari and Mbum–Day families, but gave them no special connection to each other. He removed Waja from the Waja–Jen branch and reassigned it with Kam isolate; the placement of Baa is not clear. Fali is excluded from Savannas altogether.
Geographically, the Adamawa languages lie near the location of the postulated Niger–Congo – Central Sudanic contact that may have given rise to the Atlantic–Congo family, and so may represent the central radiation of that family.
Read more about this topic: Adamawa Languages
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