Gyrosigma nodiferum (Grunow) Reimer 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 nodiferum (Grunow) Reimer, 1966 Gyrosigma nodiferum West