At: Pict. Atlas Foss. Remains, London, H. G. Bohn By: Mantell G. A.
journalAt: Journal of the Washington Academy of Sciences, 24, 4 By: Berry E. W.
journalAt: Cretaceous Research, 17, 1 By: Hill C. R.
journalAt: Proceedings of the United States National Museum, 66, 2558 By: Berry E. W.
journalAt: Transactions of the San Diego Society of Natural History, 20, 15 By: Axelrod D. I., Deméré T. A.
journalAt: Bulletin of the Geological Society of China, 12, 1-2 By: Chaney R. W.
journalAt: Publications of the Carnegie Institution of Washington, 476 By: Axelrod D. I.
journalAt: Geophytology, 14, 2 By: Bande M. B., Prakash U.
journalAt: Review of Palaeobotany and Palynology, 183 By: Zhang W., Yang X.-J., Fu X.-P., Zheng S.-L., Wang Y.-D.
journalAt: Bulletin of the British Museum (Natural History), Series, Geology, 36, 2 By: Elliott G. F.