Ceratium furca var. eugrammum (Ehrenb.) Jørg. Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Chromista phylum Myzozoa class Dinophyceae order Gonyaulacales family Ceratiaceae genus Tripos species Tripos furca Name Homonyms Ceratium furca var. eugrammum (Ehrenberg) Schiller Ceratium furca var. eugrammum (Ehrenb.) Jørg.