Cleal CJ, Shute CH. A new late Carboniferous calamitacean sphenophyte from South Wales, United Kingdom. Spanish J. Palaeontol. [Internet]. 25 de abril de 2020 [citado 26 de enero de 2025];31(1):25-40. Disponible en: https://pasquin.uv.es/index.php/sjpalaeontology/article/view/17138