Pinnularia formica Ehrenb., 1854 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Chromista phylum Ochrophyta class Bacillariophyceae order Naviculales family Pinnulariaceae genus Pinnularia species Pinnularia formica Name Homonyms Pinnularia formica Ehrenberg, 1854 Pinnularia formica (Ehrenberg) R.M.Patrick, 1966