At: Trudy Voronezhskogo Gosudarstvennogo Universiteta, 7 By: Nikitin P. A.
journalAt: Ameghiniana, 2, 7 By: Menéndez C. A.
journalAt: Ameghiniana, 46, 4 By: Franco M. J.
journalAt: Ameghiniana, 17, 4 By: Ragonese A. M.
journalAt: Ameghiniana, 45, 4 By: Franco M. J., Brea M.
journalAt: Ameghiniana, 50, 2 By: Franco M. J., Brea M.
journalAt: Gaea, 6, 1 By: Crisafulli A., Herbst R.
journalAt: Berichte der Naturwissenschaftlichen Gesellschaft Bayreuth, 27 By: Bauer K., Kustatscher E., Dütsch G., Schmeissner S., Krings M., van Konijnenburg-van Cittert J. H. A.
journalAt: Paläontologische Abhandlungen, Abtheilung, B, Paläobotanik, 3, 3-4 By: Daber R., Kahlert E.
journalAt: Contributions from the Museum of Paleontology, University of Michigan, 6, 2 By: Arnold C. A.