Eunotia praerupta subsp. bidens (W.Smith) Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Chromista phylum Ochrophyta class Bacillariophyceae order Eunotiales family Eunotiaceae genus Eunotia species Eunotia monodon Name Homonyms Eunotia praerupta subsp. bidens (W.Smith) Eunotia praerupta var. bidens (Ehrenberg) Grunow, 1880 Eunotia praerupta f. bidens (Ehrenberg) Hustedt, 1911 Eunotia praerupta f. bidens (Ehrenberg & W.Smith) Grunow, 1880 Eunotia praerupta f. bidens Tikheeva, 1932