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journalAt: Feddes Repertorium, 113, 7-8 By: Uhl D., Walther H., Krings M.
journalAt: Journal of the Royal Society of Western Australia, 20 By: Chapman F., Crespin I.
bookAt: Paleobiol. Pl. Protists, San Francisco, W. H. Freeman and Company By: Tappan H. N.
journalAt: Transactions of the Illinois State Academy of Science, 1935, 28, 2 By: Schopf J. M.
journalAt: Stratigraphy and Geological Correlation, 4, 6 By: Fotjanova L. I., Serova M. Ya., Levin F. D., Maslova N. P.
journalAt: Facies, 60, 2 By: Jarochowska E., Munnecke A.
journalAt: Palaeontographica, Abtheilung, B, Paläophytologie, 101, 5-6 By: Bhardwaj D. C.
journalAt: Australian journal of botany, Series, Supplementary series, 6 By: Martin H. A.
journalAt: Johns Hopkins University Studies in Geology, 12 By: Berry E. W.