Pleurosigma eximium (Thwaites) Van Heurck, 1883 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Chromista phylum Ochrophyta class Bacillariophyceae genus Schizonema species Schizonema eximium Name Homonyms Pleurosigma eximium (Thwaites) Grunow, 1880 Pleurosigma eximium (Thwaites) Van Heurck, 1883