Triceratium robertsianum Stokes Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Chromista phylum Ochrophyta class Bacillariophyceae order Triceratiales family Triceratiaceae genus Triceratium species Triceratium robertsianum Name Homonyms Triceratium robertsianum Greville, 1866 Triceratium robertsianum Stokes Triceratium robertsianum Stokes ex O'Meara, 1869