Saito-Kato, M., Hayashi, T. & Tanimura, Y. (2011). Tetracyclus radius (Bacillariophyta) a new fossil species from Miocene freshwater sediments in the Japan Sea. Phytotaxa. 24: 51-57.
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Saito-Kato, M., Hayashi, T. & Tanimura, Y.
2011
Tetracyclus radius (Bacillariophyta) a new fossil species from Miocene freshwater sediments in the Japan Sea