BARNES, Christopher S.; NOWLAN, Godfrey S. Conodonts: A Thing of the Past-and of the Future. Geoscience Canada, [S. l.], v. 2, n. 2, 1975. Disponível em: https://journals.lib.unb.ca/index.php/GC/article/view/2910. Acesso em: 8 may. 2024.