Ceratium tripos subsp. pulchellum (Schröd.) Peters Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Chromista phylum Myzozoa class Dinophyceae order Gonyaulacales family Ceratiaceae genus Ceratium species Ceratium pulchellum Name Homonyms Ceratium tripos subsp. pulchellum (Schröd.) Peters Ceratium tripos var. pulchellum (Schröd.) López, 1955 Ceratium tripos var. pulchellum (Schröd.) López ex Sournia