LUDVIGSEN, Rolf; WESTROP, Stephen R.; PRATT, Brian R.; TUFFNELL, Pamela A.; YOUNG, Graham A. PALEOSCENE #3. Dual Biostratigraphy: Zones and biofacies. Geoscience Canada, [S. l.], v. 13, n. 3, 1986. Disponível em: https://journals.lib.unb.ca/index.php/GC/article/view/3461. Acesso em: 29 mar. 2024.