ÁLVAREZ-VÁZQUEZ, C. Filicopsida from the lower Westphalian (Middle Pennsylvanian) of Nova Scotia and New Brunswick, Maritime Provinces, Canada. Atlantic Geoscience, [S. l.], v. 55, p. 001–055, 2019. DOI: 10.4138/atlgeol.2019.001. Disponível em: https://journals.lib.unb.ca/index.php/ag/article/view/26281. Acesso em: 7 oct. 2022.