Pabst, J. y Herbig, H.-G. 2020. An Upper Mississippian echinoderm microfauna from the Genicera Formation of northern León (Carboniferous, Cantabrian Mountains, N Spain). Spanish Journal of Palaeontology. 35, 1 (jul. 2020), 47–76. DOI:https://doi.org/10.7203/sjp.35.1.17116.