Cymbella turgidula Grum. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Chromista phylum Ochrophyta class Bacillariophyceae order Cymbellales family Cymbellaceae genus Cymbella species Cymbella turgidula Name Homonyms Cymbella turgidula Grunow, 1875 Cymbella turgidula Grum.