The Dakoid languages are a small putative group of languages spoken in Taraba and Adamawa states of eastern Nigeria:

• Gaa–Dong
  • Donga
    Donga language
    Dong, or Donga, is a poorly documented language of Nigeria. Though clearly Niger–Congo, is difficult to classify; Blench proposes that it is one of the Dakoid languages, closest to Gaa.-References:...
    
     (Dong)
  • Tiba (Gaa)
• Daka–Taram
  • Taram
  • Daka
    Daka language
    Daka is one of two languages spoken by the Chamba people in Nigeria, the other being Chamba Leko.Daka is a dialect cluster. The Chamba dialect is called Chamba Daka and constitutes 90% of speakers. Other dialects are Dirim , Lamja, Dengsa, and Tola...
    
     (a dialect cluster of Dirim, Samba, Lamja, Dengsa, & Tola).

Greenberg

Joseph Greenberg

Joseph Harold Greenberg was a prominent and controversial American linguist, principally known for his work in two areas, linguistic typology and the genetic classification of languages.- Early life and career :...

 placed Samba Daka within his Adamawa

Adamawa languages

The Adamawa languages are a putative family of 80–90 languages scattered across the Adamawa Plateau in central Africa, in Nigeria, Cameroon, Central African Republic, and Chad, spoken altogether by only one and a half million people . Joseph Greenberg classified them as one branch of the...

 proposal, as group G3, but Bennett (1983) demonstrated to general satisfaction that it is a Benue–Congo language, though its placement within Benue–Congo is disputed. Blench (2010) considers it to be Bantoid. Boyd (ms), however, considers Daka an isolate branch within Niger–Congo (Blench 2008).

Dong, though clearly Niger–Congo, is difficult to classify, there is no published data on Tiba, and Taram (listed as a dialect of Daka by Ethnologue) is only known from data collected in 1931 (Blench 2008).