Actinocyclus Dataset GBIF Backbone Taxonomy Rank GENUS Classification kingdom Chromista phylum Ochrophyta class Bacillariophyceae order Coscinodiscales family Hemidiscaceae genus Actinocyclus Name Homonyms Actinocyclus Ehrenberg, 1831 Actinocyclus Schrammen, 1912 Actinocyclus Klotzsch Actinocyclus