MACNAUGHTON, R. B. The Application of Ichnology to Palaeoenvironmental and Stratigraphic Analysis. Geoscience Canada, [S. l.], v. 33, n. 2, 2006. Disponível em: https://journals.lib.unb.ca/index.php/GC/article/view/1246. Acesso em: 4 jul. 2020.