Gyrosigma wormleyi (Sull.) Boyer Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Chromista phylum Ochrophyta class Bacillariophyceae order Naviculales family Pleurosigmataceae genus Gyrosigma species Gyrosigma reimeri Name Homonyms Gyrosigma wormleyi (Sullivant) Boyer, 1922