Pilsbry, H.A. (1919). A review of the land mollusks of the Belgian Congo chiefly based on the collections of the American Museum Congo Expedition, 1909–1915. Bulletin of the American Museum of Natural History, 40: 1–370, pls I-XXIII.
Bank, R. (2017). Classification of the Recent terrestrial Gastropoda of the World. Last update: July 16, 2017
Pilsbry, H.A. (1919). A review of the land mollusks of the Belgian Congo chiefly based on the collections of the American Museum Congo Expedition, 1909–1915. Bulletin of the American Museum of Natural History, 40: 1–370, pls I-XXIII.
Bank, R. (2017). Classification of the Recent terrestrial Gastropoda of the World. Last update: July 16, 2017