William J. Zinsmeister (1943–2025). Ameghiniana, [S. l.], v. 63, n. 3, 2026. DOI: 10.5710/. Disponível em: https://www.ameghiniana.org.ar/index.php/ameghiniana/article/view/3698. Acesso em: 19 sep. 2026.