Chirivella Martorell, J. B., Liñán, E., Dies Álvarez, M. E., & Gozalo, R. (2020). Bailiaspis (Trilobita) with English affinities from the Mansilla Formation (Cambrian Series 3 of the Iberian Chains; NE Spain). Spanish Journal of Palaeontology, 32(1), 17–26. https://doi.org/10.7203/sjp.32.1.17027