Closterium acus (O.F.Müller) Nitzsch, 1816 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Protozoa phylum Euglenozoa class Euglenoidea order Euglenida family Phacidae genus Lepocinclis species Lepocinclis acus Name Homonyms Closterium acus (O.F.Müller) Nitzsch, 1816