“ESTUDIO AL MICROSCOPIO ELECTRONICO DE BARRIDO (MEB) DE DOS CYCADOPSIDAS FOSILES DE ARGENTINA. PSEUDOCTENIS DENTATA ARCHANGELSKY Y BALDONI 1972 Y SUERIA RECTINERVIS MENENDEZ 1965” (2013) Ameghiniana, 31(2), pp. 115–124. Available at: https://www.ameghiniana.org.ar/index.php/ameghiniana/article/view/2197 (Accessed: 1 October 2025).