Jera languages

Jera
Geographic distribution:	Nigeria
Linguistic classification:	Niger–Congo Atlantic–Congo Benue–Congo Kainji East Northern Jos Jera
Subdivisions:	—

The dozen Jera languages of the Nigerian plateau are:

Gamo-Ningi, Gyem, Iguta, Izora, Janji, Jere, Kudu-Camo, Lemoro, Lere, Sanga, Shau, Tunzuii, Ziriya (Sheni?),

of which only Jere, Sanga, and Lemoro have more than a few thousand speakers. Several of them have duodecimal numeral systems.