[1]
F. Sour-Tovar, A. Pérez-Huerta, S. A. Quiroz-Barroso, and E. Centeno-García, “Lower Permian brachiopods and trilobite from northwerstern Hidalgo State, Mexico”, revmexcg, vol. 22, no. 1, pp. 24–35, Apr. 2018.