WAGNER, Robert H. Laveineopteris polymorpha FROM THE lower Westphalian (Langsettian) “fern ledges” at Saint John, new brunswick, Canada, and comparison with Laveineopteris hollandica from Europe. Spanish Journal of Palaeontology, [S. l.], v. 23, n. 2, p. 139–156, 2021. DOI: 10.7203/sjp.23.2.20402. Disponível em: https://turia.uv.es/index.php/sjpalaeontology/article/view/20402. Acesso em: 13 nov. 2024.