THE “METACRYPHAEUS TUBERCULATUS GROUP” (TRILOBITA, CALMONIIDAE) FROM THE DEVONIAN OF THE PARNAÍBA BASIN, BRAZIL. Ameghiniana, [S. l.], v. 53, n. 4, p. 463–472, 2016. Disponível em: https://www.ameghiniana.org.ar/index.php/ameghiniana/article/view/2924. Acesso em: 10 nov. 2025.