ÁLVAREZ-VÁZQUEZ, Carmen; WAGNER, Robert H. Lycopsida from the lower Westphalian (Middle Pennsylvanian) of the Maritime Provinces, Canada. Atlantic Geoscience, [S. l.], v. 50, p. 167–232, 2014. DOI: 10.4138/atlgeol.2014.011. Disponível em: https://journals.lib.unb.ca/index.php/ag/article/view/atlgeol.2014.011. Acesso em: 27 apr. 2024.