Barragán-Manzo, Ricardo, and Ana Bertha Villaseñor-Martínez. “Mesozoic Invertebrate Paleontology. Preface”. Revista Mexicana de Ciencias Geológicas 22, no. 1 (May 2, 2018): 37. Accessed April 11, 2025. https://rmcg.geociencias.unam.mx/index.php/rmcg/article/view/868.