At: Jahrbuch der Preussischen Geologischen Landesanstalt zu Berlin, 1929, 50, Theil 2 By: Kirchheimer F.
journalAt: Paleontologicheskii Zhurnal, 2000, 4 By: Maslova N. P., Golovneva L. B.
bookAt: Iskop. Tsvetk. Rast. SSSR, Leningrad, Izdatel'stvo Nauka, Leningradskoe otdelenie, 1974, 1 By: Imchanitzkaja N. N.
journalAt: Bulletin scientifique / Conseil des Académies des Sciences et des Arts de la RSF de Yougoslavie, Series, Section A, Sciences naturelles, techniques et médicales, 20, 9-10 By: Radoičić R.
journalAt: Geološki vjesnik, 1972, 26 By: Sokač B., Nikler L.
journalAt: Geološki vjesnik, 29 By: Sokač B., Velić I.
journalAt: Palaeogeography, Palaeoclimatology, Palaeoecology, 2018, 10.1016/j.palaeo.2018.02.001 By: Dong J.-L., Sun B.-N., Mao T., Yan D.-F., Liu C.-H., Wang Z.-X., Jin P.-H.
journalAt: American Journal of Botany, 102, 8 By: Maslova N. P., Kodrul T. M., Song Y.-S., Volkova L. D., Jin J.-H.
journalAt: Acta Horti Botanici Bucurestiensis, 1998, 27 By: Iamandei S., Iamandei E.
journalAt: Review of Palaeobotany and Palynology, 94, 1-2 By: Frumin S., Friis E. M.