Pinnularia elginensis (W.Greg.) Ralfs Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Chromista phylum Ochrophyta class Bacillariophyceae order Naviculales family Pinnulariaceae genus Pinnularia species Pinnularia elginensis Name Homonyms Pinnularia elginensis (W.Greg.) Ralfs Pinnularia elginensis Gregory, 1856