1. Bartley, J.K., 1996, Actualistic taphonomy of cyanobacteria: implications cations for the Precambrian fossil record. Palaios, 11, 571–586.
2. Butterfield, N.J., Knoll, A.H. and Swett, K., 1994, Paleobiology of the Neoproterozoic Svanbergfjellet Formation, Spitsbergen. Fossils and Strata, 34, 3–75.
3. Copeland, J.J., 1936, Yellowstone thermal myxophyceae. Annals of the New York Academy of Science, 36, 1–232.
4. Dragunov, V.I., 1963, Turukhanskii Igarskii raiony [Turukhansk and Igarka regions]. In: Keller, B.M. (ed.), Stratigraphiya SSSR. Verchnii Dokembrii [Stratigraphy of the USSR. Upper Precambrian]. Gosgeoltekhizdat, Moscow, p. 318–331.
5. Fritsch, F.E., 1935, The structure and reproduction of the algae, Volume 1. Macmillan, New York, p. 791.