1. Bahr, H. andSchwartz, W. 1957. Vergleichende cytologische Untersuchungen an farblosen fädigen Schwefelmikroben und an hormogonalen Cyanophyceen. Biol. Zentr.76: 185–203.
2. Bergey, D. H., Harrison, F. C., Breed, R. S., Hammer, B. W. andHuntoon, F. M. 1923. Bergey's manual of determinative bacteriology. Williams & Wilkins Co., Baltimore.
3. Böcher, T. W. 1949. Studies on the sapropelic flora of the Lake Flynders with special reference to the Oscillatoriaceae. Kgl. Danske Videnskab. Selskab. Biol. Medd.21: 1–46.
4. Breed, R. S. andHenrici, A. T. 1948. Order III. Chlamydobacteriales Buchanan, p. 981–1001.In R. S. Breed, E. G. D. Murray and A. Parker Hitchens, Bergey's manual of determinative bacteriology, 6th edn. Williams and Wilkins Co., Baltimore, Md.
5. Buchanan, R. E. 1918. Studies in the classification and nomenclature of the bacteria. VII. The subgroups and genera of the Chlamydobacteriales. J. Bacteriol.3: 301–306.