Gyrosigma scalproides (Rabenh.) Cleve Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Chromista phylum Ochrophyta class Bacillariophyceae order Naviculales family Pleurosigmataceae genus Gyrosigma species Gyrosigma obtusatum Name Homonyms Gyrosigma scalproides (Rabenhorst) Cleve, 1894