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journalAt: Nuovo giornale botanico Italiano, 1933, 40, 4 By: Chiarugi A.
bookAt: Anais II Congr. Lat.-Amer. Paleontol., Porto Alegre, Brazil, Editora Pallotti, 2 By: Torres T., Valenzuela E., Gonzalez I.
journalAt: Journal of the Botanical Research Institute of Texas, 15, 1 By: Poinar G. O., Chambers K. L., Vega F. E.
journalAt: Journal of the Botanical Research Institute of Texas, 13, 2 By: Poinar G. O., Chambers K. L.
journalAt: Palaeodiversity, 10, 1 By: Poinar G. O., Chambers K. L.
journalAt: Novon, 20, 1 By: Chambers K. L., Poinar G. O., Buckley R.
journalAt: Biuletyn Instytutu Geologicznego, 71 By: Raniecka-Bobrowska J.
journalAt: Biuletyn Instytutu Geologicznego, 130 By: Raniecka-Bobrowska J.
journalAt: Acta Geologica Polonica, 1955, 5, 4 By: Kownas S.