At: Sovetskaja Botanika, 1939, 6-7 By: Jarmolenko A. V.
bookAt: Stratigr. Paleontol. Paleoz. Aziatsk. SSSR, Moscow, Izdatel'stvo "Nauka" By: Betekhtina O. A.
journalAt: Paleontologicheskii Zhurnal, 1986, 1 By: Pimenov G. M.
bookAt: Stratigr. Paleontol. Paleoz. Mezoz. Sev.-Vost. SSSR, Moscow, Geologicheskij Fond RSFSR, 1984 By: Samylina V. A.
journalAt: Materialy Tsentral'nogo Nauchno-Issledovatel'skogo Geologo-Razvedochnogo Instituta, Series, Obshchaja, 1 By: Kryshtofovich A. N.
bookAt: Paleobot. Uzbekist., Tashkent, Izdatel'stvo "Fan" Uzbekskoj SSR, 3 By: Chudajberdyev R. Kh., Tashmukhamedova Z. Z.
journalAt: Botanicheskii Zhurnal, 51, 10 By: Dorofeev P. I.
bookAt: Stratigr. Fl. Kont. Neogena Dal'n. Vostoka, Moscow, Nauka By: Ablajev A. G., Iljinskaja I. A., Schmidt I. N.
journalAt: Voprosy Mikropaleontologii, 24 By: Istchenko A. A., Radionova E. P.
journalAt: Izvestiya Imperatorskoi Akademii Nauk. St. Petersburg, 1917, 11, 1 By: Zalessky M. D.