Pinnularia acrosphaeria Brebisson Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Chromista phylum Ochrophyta class Bacillariophyceae order Naviculales family Pinnulariaceae genus Pinnularia species Pinnularia gibba Name Homonyms Pinnularia acrosphaeria W.Smith, 1853 Pinnularia acrosphaeria Rabenhorst, 1853 Pinnularia acrosphaeria Brebisson