Saito-Kato, M., T. Hayashi, and Y. Tanimura. “Tetracyclus Radius (Bacillariophyta) a New Fossil Species from Miocene Freshwater Sediments in the Japan Sea”. Phytotaxa 24, no. 1 (May 26, 2011): 51–57. Accessed March 16, 2025. https://phytotaxa.mapress.com/pt/article/view/phytotaxa.24.1.7.