Tanaka, H. & Nagumo, T. (2004). Four cyclotelloid taxa characterized by a ligula-like segment on valvocolula. In: M. Poulin (ed.), Proceedings of the Seventeenth International Diatom Symposium, Ottawa, Canada, 25th-31st August 2002. Biopress Limited, Bristol, U.K., pp. 399-409
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Tanaka, H. & Nagumo, T.
2004
Four cyclotelloid taxa characterized by a ligula-like segment on valvocolula
In: M. Poulin (ed.), Proceedings of the Seventeenth International Diatom Symposium, Ottawa, Canada, 25th-31st August 2002. Biopress Limited, Bristol, U.K.