At: Cours Élém. Paléont. Géol., Paris, V. Masson, 1 By: d'Orbigny A.
bookAt: Cours Élém. Paléont. Géol., Paris, V. Masson, 2, 1 By: d'Orbigny A.
journalAt: Botanicheskii Zhurnal, 94, 12 By: Iljinskaja I. A.
journalAt: Geobios, 20, 6 By: Poncet J.
journalAt: American Journal of Botany, 56, 4 By: Banks H. P., Davis M. R.
journalAt: Review of Palaeobotany and Palynology, 115, 3-4 By: Cantrill D. J., Falcon-Lang H. J.
journalAt: American Museum Novitates, 1369 By: Peck R. E., Reker C. C.
journalAt: Annals of Botany, 123, 3 By: Atkinson B. A., Martínez C. M., Crepet W. L.
journalAt: Micropaleontology, 12, 2 By: Stover L. E.
journalAt: Journal of Paleontology, 1954, 28, 6 By: Johnson J. H.