Schizonema thwaitesii (W.Smith) Grunow Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Chromista phylum Ochrophyta class Bacillariophyceae order Naviculales family Naviculaceae genus Navicula species Navicula lanceolata Name Homonyms Schizonema thwaitesii (W.Smith) Grunow Schizonema thwaitesii Van Heurck, 1880