Navicula ventralis Krasske Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Chromista phylum Ochrophyta class Bacillariophyceae order Achnanthales family Achnanthaceae genus Achnanthes species Achnanthes ventralis Name Homonyms Navicula ventralis Krasske, 1923 Navicula ventralis (Krasske) Lange-Bert.