Hemiaulus Dataset GBIF Backbone Taxonomy Rank GENUS Classification kingdom Chromista phylum Ochrophyta class Bacillariophyceae order Biddulphiales family Biddulphiaceae genus Hemiaulus Name Homonyms Hemiaulus P.A.C.Heiberg, 1863 Hemiaulus Ehrenberg, 1844 Hemiaulus Ehrenberg, 1844