Dictyota dichotoma f. spiralis Nizamuddin, 1981 Dataset GBIF Backbone Taxonomy Rank FORM Classification kingdom Chromista phylum Ochrophyta class Phaeophyceae order Dictyotales family Dictyotaceae genus Dictyota species Dictyota dichotoma Name Homonyms Dictyota dichotoma f. spiralis Nizamuddin, 1981 Dictyota dichotoma var. spiralis (Mont.) P.Crouan & H.Crouan, 1867