At: Transactions of the Geological Society of South Africa, 80, 3 By: Plumstead E. P.
journalAt: Quarterly Journal of the Geological Society of London, 87, 4 [348] By: Heard A., Jones J. F.
journalAt: Review of Palaeobotany and Palynology, 142, 3-4 By: Berry C. M., Wang Y.
journalAt: Palaeontographica, Abtheilung, B, Paläophytologie, 142, 4-6 By: Gensel P. G.
journalAt: Palaeontology, 11, 5 By: Edwards D.
journalAt: Review of Palaeobotany and Palynology, 116, 1-2 By: Wang Y., Berry C. M.
journalAt: Avhandlinger utgitt av Det Norske Videnskaps-Akademi i Oslo, Class, Matematisk-naturvidenskapelig Klasse, 1926, 1 By: Høeg O. F. A., Kiær J.
journalAt: Acta Palaeontologica Polonica, 64, 1 By: Barattolo F., Ionesi V., Ţibuleac P.
journalAt: Proceedings of the Boston Society of Natural History, 34, 10 By: Jeffrey E. C.
journalAt: Review of Palaeobotany and Palynology, 256 By: Xu H.-H., Fu Q., Wang Y.