Microcalanus pygmaeus (G O Sars, 1903) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Arthropoda class Copepoda order Calanoida family Clausocalanidae genus Microcalanus species Microcalanus pygmaeus Name Homonyms Microcalanus pygmaeus (Sars G.O., 1900) Microcalanus pygmaeus (G O Sars, 1903)