Blepharisma musculus Penard, 1922 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Chromista phylum Ciliophora class Heterotrichea order Heterotrichida family Spirostomidae genus Blepharisma species Blepharisma musculus Name Synonyms Apgaria undulans Stokes, 1884 Homonyms Blepharisma musculus Ehrenberg Blepharisma musculus Penard, 1922