Mayoral, E., Liñán, E., Gámez Vintaned, J. A., Muñiz, F., & Gozalo, R. (2021). Stranded jellyfish in the lowermost Cambrian (Corduban) of Spain. Spanish Journal of Palaeontology, 19(2), 191–198. https://doi.org/10.7203/sjp.19.2.20531