Rodríguez, S., Somerville, I. D., & Said, I. (2020). New species of the rugose coral genus Lithostrotion Fleming in the upper Viséan from the Azrou-Khenifra Basin (Morocco). Spanish Journal of Palaeontology, 32(1), 27–34. https://doi.org/10.7203/sjp.32.1.17028