HARLAN JOHNSON, J. The Cambrian algal flora. Journal of Palaeosciences, [S. l.], v. 14, n. (1-3), p. 19–25, 1965. DOI: 10.54991/jop.1965.710. Disponível em: https://jpsonline.co.in/index.php/jop/article/view/710. Acesso em: 12 may. 2024.