At: Mezoz. Fl. Vost. Sibiri Zabajk., Moscow, Gosgeoltekhizdat By: Prynada V. D.
journalAt: Trudy Irkutskogo Gosudarstvennogo Universiteta, Series, Geologicheskaya, 6, 1 By: Prynada V. D.
bookAt: Mezoz. Golosem. Rast. SSSR, Moscow, Izdatel'stvo Nauka By: Burakova A. T., Dobruskina I. A., Doludenko M. P., Kiritchkova A. I., Krassilov V. A., Samylina V. A.
bookAt: Mezoz. Vyssh. Spor. Rast. SSSR, Moscow, Izdatel'stvo Nauka By: Vachrameev V. A., Vladimirovich V. P., Dobruskina I. A., Krassilov V. A., Lebedev E. L., Srebrodolskaja N. N.
bookAt: Novye Vidy Faneroz. Fauny Fl. Tadzhik., Dushanbe, Donish By: Kosenkova A. G.
journalAt: Bollettino della Società di Naturalisti di Napoli, 1931, 43 By: Fiore M.
journalAt: Quarterly Journal of the Geological Society of London, 1957, 113, 4 [452] By: Love L. G.
journalAt: Palaeobotanist, 1973, 22, 2 By: Maithy P. K.
journalAt: Palaeontology, 26, 1 By: Strother P. K., Knoll A. H., Barghoorn E. S.
bookAt: Micro-Palaeophytol. Carbon., Erlangen, redemptio autoris et apud Theodorum Krische bibliopolam, 1 By: Reinsch P.