VI ISOS - SIXTH INlERNATIONAL SYMPOSIUM ON THE ORDOVICIAN SYSTEM. Ameghiniana, [S. l.], v. 29, n. 2, p. 124, 2013. Disponível em: https://ameghiniana.org.ar/index.php/ameghiniana/article/view/2089. Acesso em: 7 sep. 2025.