Template:Konishi, 1954
- Konishi, K. 1954. Succodium, a New Codiacean Genus, and its Algal Associates in the Late Permian Kuma Formation of Southern Kyushu, Japan (Studies on the Paleozoic Marine Algae of Japan - 2). Journal of the Faculty of Science, University of Tokyo, Section 2: Geology, Mineralogy, Geography, Geophysics 9(2): 225–240.