Biddulphia tuomeyi Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Chromista phylum Ochrophyta class Bacillariophyceae order Biddulphiales family Biddulphiaceae genus Biddulphia species Biddulphia tridens Name Homonyms Biddulphia tuomeyi (J.W.Bailey) Roper, 1859