Pleurosigma tahitense Witt Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Chromista phylum Ochrophyta class Bacillariophyceae order Naviculales family Pleurosigmataceae genus Pleurosigma species Pleurosigma formosum Name Homonyms Pleurosigma tahitense Witt Pleurosigma tahitense Castracane, 1886