Nullosetigera helgae (G.O.Sars, 1920) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Arthropoda class Copepoda order Calanoida family Nullosetigeridae genus Nullosetigera species Nullosetigera helgae Name Homonyms Nullosetigera helgae (Farran, 1908) Nullosetigera helgae (G.O.Sars, 1920)