At: Acta Micropalaeontologica Sinica, 2, 2 By: Jiang Y., Zhang Z.-R., Meng X.-S.
journalAt: Palaeontographica, Abtheilung, B, Paläophytologie, 305, 5–6 By: Guo Y., Zhou Y., Pšenička J., Bek J., Votočková Frojdová J., Feng Z.
bookAt: Zhōngguó kēxuéyuàn qīngzàng gāoyuán zònghé kēxué kǎochá, Beijing, Kexue Chubanshe, 2, C By: Tao J.-R.
journalAt: Palaeobotanist, 1972, 21, 2 By: Němejc F., Pacltová B.
journalAt: Annals of the Missouri Botanical Garden, 48, 2 By: Hueber F. M.
journalAt: Arctoa, 21 By: Konstantinova N. A., Ignatov M. S., Perkovsky E. E.
journalAt: Ecologica Montenegrina, 80 By: Mamontov Yu. S., Schäfer-Verwimp A., Feldberg K., Vasilenko D. V., Legalov A. A., Perkovsky E. E.
journalAt: Arctoa, 22 By: Mamontov Yu. S., Heinrichs J., Schäfer-Verwimp A., Ignatov M. S., Perkovsky E. E.
journalAt: Arctoa, 24, 1 By: Mamontov Yu. S., Heinrichs J., Váňa J., Ignatov M. S., Perkovsky E. E.
journalAt: Review of Palaeobotany and Palynology, 223 By: Mamontov Yu. S., Heinrichs J., Schäfer-Verwimp A., Ignatov M. S., Perkovsky E. E.