“VELIZIA INCONSTANS CESARI & HÜNICKEN (GYMNOSPERMAE) EN LA FORMACION CERRO AGUA NEGRA (PALEOZOICO SUPERIOR), SAN JUAN, REPUBLICA ARGENTINA” (2013) Ameghiniana, 31(1), pp. 87–91. Available at: https://ameghiniana.org.ar/index.php/ameghiniana/article/view/2193 (Accessed: 13 October 2025).