At: Paleontologicheskii Zhurnal, 1985, 2 By: Bogov A. V.
journalAt: Botanicheskii Zhurnal, 68, 6 By: Meyen S. V., Menshikova L. V.
journalAt: Tertiary research, 15, 2 By: Prasad M.
journalAt: Review of Palaeobotany and Palynology, 76, 1 By: Prasad M.
journalAt: Palaeobotanist, 1989, 38 By: Awasthi N., Prasad M.
journalAt: Annual Report / Ohio State Academy of Sciences, 9(1900) By: Herzer H.
journalAt: Práce Štátneho Geologického Ústavu, 25 By: Andrusov D. N.
journalAt: Victorian Naturalist, 37, 11 = 447 By: Chapman F.
journalAt: Earth Science Reviews, 185 By: Knaust D., Thomas R. D. K., Curran H. A.
journalAt: Izvestiya Geologicheskogo Komiteta, 1926, 45, 4 By: Kryshtofovich A. N.