Triceratium thumii A.W.F.Schmidt Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Chromista phylum Ochrophyta class Bacillariophyceae order Triceratiales family Triceratiaceae genus Triceratium species Triceratium thumii Name Homonyms Triceratium thumii A.W.F.Schmidt Triceratium thumii J.D.Moller, 1892