ABSTRACTS. Canadian Paleontology and Biostratigraphy Seminar. Atlantic Geoscience, [S. l.], v. 17, n. 1, 1981. DOI: 10.4138/1375. Disponível em: https://journals.lib.unb.ca/index.php/ag/article/view/1375. Acesso em: 6 may. 2024.