Biostratigraphy of Guadalupian (Mid­dle Permian) am­mo­noids from the Olinalá For­ma­tion, southern Mex­i­co. Carnets Geol., [S. l.], v. 26, p. 125–150, 2026. DOI: 10.2110/. Disponível em: https://carnetsgeol.net/ojs/CG/article/view/73. Acesso em: 20 mar. 2026.