At: Fram over polhavet, Kristiania, H. Aschehoug & Co.s Forlag, 2, 33-34 By: Nansen F.
journalAt: Acta Palaeobotanica, 27, 2 By: Hluštík A.
journalAt: Taxon, 21, 1 By: Hluštík A.
journalAt: Review of Palaeobotany and Palynology, 112, 1-3 By: Kvaček J.
journalAt: Review of Palaeobotany and Palynology, 300, 104643 By: Mendes M. M., Kvaček J.
journalAt: Proceedings of the Japan Academy, B, physical and biological sciences, 61, 9 By: Kimura T., Saiki K., Arai T.
journalAt: Acta Palaeobotanica, 1978, 19, 1 By: Doludenko M. P., Reymanówna M.
journalAt: Botanicheskii Zhurnal, 70, 8 By: Shilkina I. A., Doludenko M. P.
journalAt: Palaeontological Research, 1, 2 By: Saiki K.
journalAt: Review of Palaeobotany and Palynology, 70, 3 By: Arrondo O. G., Césari S. N., Gutiérrez P. R.