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Sunesen, I.; Sterrenburg, F. A. S.; Sar, E. A. (2013). Pleurosigma guarreranum, sp. nov. (Pleurosigmataceae, Bacillariophyta), from the Gulf of San MatÃas, Argentina, and comparison with the allied species Pleurosigma exemptum and P. obesum. European Journal of Phycology. 48(4): 451-460.