Winkler Prins, Cor F., y María Luisa Martínez-Chacón. «Brachiopods of the Lower Carboniferous Vegamian Formation (Cantabrian Mts, Spain): Part I. Introduction, Linguliformea». Spanish Journal of Palaeontology 14, no. 3 (febrero 27, 2022): 173–183. Accedido noviembre 21, 2024. https://turia.uv.es/index.php/sjpalaeontology/article/view/23960.