Caloneis bacillum (Grunov) Mereschkowsky Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Bacillariophyta class Bacillariophyceae order Naviculales family Naviculaceae genus Caloneis species Caloneis bacillum Name Homonyms Caloneis bacillum (Grunow) Cleve, 1894 Caloneis bacillum s.