Balantidium coli (Malmsten, 1857) Stein, 1863 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Protozoa phylum Ciliophora class Heterotrichea order Heterotrichida family Balantidiidae genus Balantidium species Balantidium coli Name Homonyms Balantidium coli (Malmsten, 1857) Stein, 1863