Placoneis mutica (Kützing) Mereschkowsky, 1903 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Chromista phylum Ochrophyta class Bacillariophyceae order Naviculales family Naviculaceae genus Navicula species Navicula mutica Name Homonyms Placoneis mutica (Kützing) Mereschkowsky, 1903