At: Boletim / Departamento Nacional da Produção Mineral, Divisão de Geologia e Mineralogia, 178 By: Duarte L.
journalAt: Documenta naturae, 161 By: Vargas C. A. N., Gregor H.-J., Förther H.
journalAt: Bulletin of the United States Geological Survey, 1893, 105 By: Knowlton F. H.
journalAt: Paleontological Journal, 36, 2 By: Doweld A. B.
journalAt: Paleontologicheskii Zhurnal, 2002, 2 By: Doweld A. B.
journalAt: Pakistan Journal of Botany, 39, 7 By: Ahmed B., Rajput M. T. M., Soomro N.
journalAt: Palaeobotanist, 1962, 11, 3 By: Navale G. K. B.
journalAt: Journal of Biological Sciences, 1973-1974, 16-17, 1-2 By: Patil G. V.
journalAt: Proceedings of the Session / Indian Science Congress Association, 55 By: Nambudiri E. M. V.
bookAt: Brit. Antarct. Exped. 1910, Nat. Hist., Geol., London, Trustees of the British Museum (Natural History), 1, 1 By: Seward A. C.