Ceratium tripos subsp. horridum Cleve Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Chromista phylum Myzozoa class Dinophyceae order Gonyaulacales family Ceratiaceae genus Tripos species Tripos longipes Name Homonyms Ceratium tripos var. horridum Cleve Ceratium tripos subsp. horridum Cleve