CLEAL, Cristopher J; SHUTE, Cedric H. A new late Carboniferous calamitacean sphenophyte from South Wales, United Kingdom. Spanish Journal of Palaeontology, [S. l.], v. 31, n. 1, p. 25–40, 2020. DOI: 10.7203/sjp.31.1.17138. Disponível em: https://turia.uv.es/index.php/sjpalaeontology/article/view/17138. Acesso em: 11 dic. 2024.