Biddulphia tuomeyi var. tuomeyi Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Chromista phylum Ochrophyta class Bacillariophyceae order Biddulphiales family Biddulphiaceae genus Biddulphia species Biddulphia tuomeyi Name Homonyms Biddulphia tuomeyi f. tuomeyi Biddulphia tuomeyi var. tuomeyi