Navicula claviculus Gregory, 1857 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Chromista phylum Ochrophyta class Bacillariophyceae order Naviculales family Pinnulariaceae genus Pinnularia species Pinnularia claviculus Name Homonyms Navicula claviculus Gregory, 1857 Navicula claviculus Arnott ex Grunow, 1880 Navicula claviculus Arnott