Gymnodinium attenuatum Kofoid & Swezy, 1921 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Chromista phylum Myzozoa class Dinophyceae order Gymnodiniales family Gymnodiniaceae genus Gymnodinium species Gymnodinium attenuatum Name Homonyms Gymnodinium attenuatum Kofoid & Swezy, 1921