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