May, A. 2021. Lower Devonian stromatoporoids from the northern Obejo-Valsequillo-Puebla de la Reina Domain (Badajoz and Córdoba provinces, Southern Spain). Spanish Journal of Palaeontology. 21, 1 (feb. 2021), 29–38. DOI:https://doi.org/10.7203/sjp.21.1.20478.