The Atlantic–Congo languages are 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 (previously classified as Kordofanian), and perhaps some or all of the Ubangian languages. 's "Western Nigritic" corresponded roughly to modern Atlantic–Congo.Mukarovsky, Hans. 1976-1977. A study of Western Nigritic (2 vols). Wien: Institut für Ägyptologie und Afrikanistik, Universität Wien.
