Navicula pupula subsp. elliptica Hustedt Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Chromista phylum Ochrophyta class Bacillariophyceae order Naviculales family Naviculaceae genus Navicula species Navicula pupula Name Homonyms Navicula pupula subsp. elliptica Hustedt Navicula pupula var. elliptica Hustedt, 1911 Navicula pupula f. elliptica (Hustedt) Hustedt, 1961