Ernst, A., & Rodríguez, S. (2023). Palaeoecology and palaeobiogeographic relationships of Lower Devonian bryozoans from the Guadámez and Peñón Cortado Sections of Sierra Morena (SW Spain). Spanish Journal of Palaeontology, 38(2), 173–220. https://doi.org/10.7203/sjp.26580