Eunotia robusta var. octodon (Ehrenberg) Ralfs, 1861 Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Chromista phylum Ochrophyta class Bacillariophyceae order Eunotiales family Eunotiaceae genus Eunotia species Eunotia octodon Name Homonyms Eunotia robusta var. octodon (Ehrenberg) Hustedt, 1911 Eunotia robusta var. octodon (Ehrenberg) Ralfs, 1861