At: Facies, 2013, 59, 1 By: Granier B., Dias-Brito D., Bucur I. I., Tibana P.
journalAt: Doklady Akademii nauk Belarusi, 41, 3 By: Jakubovskaja T. V.
journalAt: Science, 21, 519 By: Knowlton F. H.
journalAt: Nuovi annali delle scienze naturali e rendiconto delle sessioni della Società Agraria e dell’ Accademia delle Scienze dell’ Istituto di Bologna, Series 3 [1852], Novembre e Dicembre By: Massalongo A.
journalAt: Journal of the Botanical Research Institute of Texas, 10, 1 By: Chambers K. L., Poinar G. O.
journalAt: Proceedings of the United States National Museum, 1882, 5 By: Newberry J. S.
journalAt: Proceedings of the United States National Museum, 5 By: Newberry J. S.
journalAt: Strelitzia, 20 By: Anderson J. M., Anderson H. M., Cleal C. J.
journalAt: Zeitschrift der Deutschen Geologischen Gesellschaft, 2, 3 By: Stiehler A. W.
journalAt: Geological Magazine, 5, 46 By: Carruthers W.