At: Journal of the Faculty of Science of the Hokkaido University, Series, 4, Geology and mineralogy, 14, 4 By: Tanai T.
journalAt: Bulletin of the National Science Museum Tokyo, Series, C, Geology and Paleontology, 17, 2 By: Tanai T., Uemura K.
journalAt: Sborník Národního Muzea v Praze, Řada, Řada B, Přírodni vědy (Přírodovědný 1938-1957), 54, 1-2 By: Kvaček Z., Walther H.
journalAt: Kew Bulletin, 21, 2 By: Jeffrey C.
journalAt: Papers in Palaeontology, 2020 By: Strullu-Derrien C., Le Hérissé A., Goral T., Spencer A. R. T., Kenrick P.
journalAt: Special Papers in Palaeontology, 42 By: Boulter M. C., Kvaček Z.
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.