At: Proceedings of the Royal Society of Victoria, New Series, 38 By: Chapman F.
journalAt: Geological Magazine, 60, 4 By: Edwards W. N.
journalAt: Geological Magazine, 6, 1 By: Carruthers W.
journalAt: Transactions of the American Philosophical Society, New Series, 13, 3 By: Lesquereux L. C.
journalAt: Annals and Magazine of Natural History, Series 12, 4, 45 By: Chaloner W. G.
journalAt: Annals of Botany, 11, 44 By: Scott D. H.
journalAt: Nature, 57, 1467 By: Scott D. H.
journalAt: Palaeontographica, Abtheilung, B, Paläophytologie, 104, 4-6 By: Wagner R. H.
journalAt: Report of the British Association for the Advancement of Science, 1859, 29, Notices and Abstracts By: Baily W. H.
journalAt: American Journal of Science and Arts, Series 3, 1, 4 By: Dawson J. W.