1.
Ultrastructure of Fossil Spores and Pollen. Ed. M. H. Kurmann y J. A. Doyle. Royal Botanical Gardens, Kew, Inglaterra. pp. 1-221. AMGH. 2013;31(3):256. Accessed September 30, 2025. https://www.ameghiniana.org.ar/index.php/ameghiniana/article/view/2210