? arcticum Ehrenb. Dataset GBIF Backbone Taxonomy Rank UNRANKED Classification kingdom Chromista phylum Myzozoa class Dinophyceae order Gonyaulacales family Ceratiaceae genus Ceratium species Ceratium arcticum Name Homonyms ? arcticum Bogoslovskaya, 1982 ? arcticum Stolley, 1911 ? arcticum Gordon, 1957 ? arcticum Kjellman ? arcticum Ssaweljev, 1912 ? arcticum Ehrenb. ? arcticum Roy, 1941 ? arcticum Grosser