The Atlantic–Congo languages make up the largest demonstrated family of languages in Africa. They have characteristic noun class systems and form the core of the Niger–Congo family hypothesis. They comprise all of Niger–Congo apart from Mande, Dogon, Ijoid, Siamou, Kru, the Katla and Rashad languages, and perhaps some or all of the Ubangian languages. Hans Gunther Mukanovsky's "Western Nigritic" corresponded roughly to modern Atlantic–Congo.