Pleurosigma angulatum var. angulatum Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Chromista phylum Ochrophyta class Bacillariophyceae order Naviculales family Pleurosigmataceae genus Pleurosigma species Pleurosigma angulatum Name Homonyms Pleurosigma angulatum subsp. angulatum Pleurosigma angulatum var. angulatum Pleurosigma angulatum f. angulatum