Cyclotella rectangula Brébisson Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Chromista phylum Ochrophyta class Bacillariophyceae order Thalassiosirales family Stephanodiscaceae genus Cyclotella species Cyclotella rectangula Name Homonyms Cyclotella rectangula Brébisson Cyclotella rectangula Brébisson ex Rabenhorst, 1853