Pseudospatha stappersi Pilsbry & Bequaert 1927

Pilsbry & Bequaert 1927. The aquatic mollusks of the Belgian Congo. With a geographical and ecological account of Congo malacology. With field notes by the collectors, H. Lang and J. P. Chapin . Bulletin of the American Museum of Natural History, 53 1927: pp. 69-602