WILLIAMS, D. M. The diatom genus Tetracyclus (Fragilariaceae, Bacillariophyta) from Chile. Phytotaxa, Auckland, New Zealand, v. 178, n. 2, p. 151–155, 2014. DOI: 10.11646/phytotaxa.178.2.7. Disponível em: https://phytotaxa.mapress.com/pt/article/view/phytotaxa.178.2.7. Acesso em: 6 dec. 2025.