Early Middle Ordovician scolecodonts from the Argentine Precordillera: the oldest known polychaete jaws of South America. Ameghiniana, [S. l.], v. 39, n. 4, p. 427–432, 2014. Disponível em: https://www.ameghiniana.org.ar/index.php/ameghiniana/article/view/2687. Acesso em: 24 jan. 2026.