At: Lotos, 72, 1 By: Kräusel R.
journalAt: Plant Systematics and Evolution, 175, 1-2 By: Endress P. K., Friis E. M.
journalAt: Paleontologicheskii Zhurnal, 2003, 1 By: Maslova N. P., Kodrul T. M.
journalAt: Review of Palaeobotany and Palynology, 14, 1-2 By: Meyen S. V.
journalAt: Botanical Review, 78, 3 By: Futey M. K., Gandolfo M. A., Zamaloa M. del C., Cúneo N. R., Cladera G.
journalAt: Journal of Paleontology, 31, 3 By: Summerson C. H.
journalAt: Review of Palaeobotany and Palynology, 86, 1-2 By: Tongiorgi M., Yin L.-M., Di Milia A.
journalAt: Review of Palaeobotany and Palynology, 34, 3–4 By: Biondi E.
journalAt: Boletim / Serviço Geológico e Mineralógico do Brasil, 1937, 77 By: Maury C. J.
journalAt: Phytotaxa, 500, 1 By: Freitas J., Doweld A. B.